IEC 60384-8:2005

IEC 60384-8 ®
Edition 3.0 2005-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –
Part 8: Sectional specification: Fixed capacitors of ceramic dielectric, Class 1

Condensateurs fixes utilisés dans les équipements électroniques –
Partie 8: Spécification intermédiaire: Condensateurs fixes à diélectrique en
céramique, Classe 1
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IEC 60384-8 ®
Edition 3.0 2005-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –
Part 8: Sectional specification: Fixed capacitors of ceramic dielectric, Class 1

Condensateurs fixes utilisés dans les équipements électroniques –
Partie 8: Spécification intermédiaire: Condensateurs fixes à diélectrique en
céramique, Classe 1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX W
ICS 31.060.20 ISBN 978-2-88912-781-8

– 2 – 60384-8  IEC:2005
CONTENTS
FOREWORD . 4
1 General . 7
1.1 Scope . 7
1.2 Object . 7
1.3 Normative references . 7
1.4 Information to be given in a detail specification . 8
1.5 Terms and definitions . 9
1.6 Marking . 9
2 Preferred ratings and characteristics . 10
2.1 Preferred characteristics . 10
2.2 Preferred values of ratings . 10
3 Quality assessment procedures . 15
3.1 Primary stage of manufacture . 15
3.2 Structurally similar components . 15
3.3 Certified records of released lots . 15
3.4 Qualification approval . 15
3.5 Quality conformance inspection . 21
4 Test and measurement procedures . 23
4.1 Visual examination and check of dimensions . 23
4.2 Electrical tests . 23
4.3 Temperature coefficient (α) and temperature cyclic drift of capacitance . 25
4.4 Robustness of terminations . 26
4.5 Resistance to soldering heat . 26
4.6 Solderability . 26
4.7 Rapid change of temperature (if required in the detail specification) . 27
4.8 Vibration. 27
4.9 Bump . 27
4.10 Shock . 28
4.11 Climatic sequence . 29
4.12 Damp heat, steady state . 30
4.13 Endurance . 31
4.14 Component solvent resistance . 32
4.15 Solvent resistance of the marking . 32
Annex A (normative) Figures with limits of variation of capacitance with temperature
for certain temperature coefficients and classes . 33

Table 1 – Preferred tolerances on rated capacitance . 11
Table 2 – Rated temperature coefficient and tolerances . 12
Table 3 – Combination of temperature coefficient and tolerance . 13
Table 4 – Sampling plan together with numbers of permissible non-conforming items
for qualification approval tests, assessment level EZ . 17
Table 5 – Test schedule for qualification approval. 18
Table 6 – Lot-by-lot inspection . 22
Table 7 – Periodic tests . 22
Table 8 – Tangent of loss angle . 23

60384-8  IEC:2005 – 3 –
Table 9 – Insulation resistance requirements . 24
Table 10 – Test voltages for single layer ceramic capacitors . 25
Table 11 – Test voltages for leaded multilayer ceramic capacitors . 25
Table 12 – Temperature cyclic drift limits . 26
Table 13 – Requirements . 26
Table 14 – Preferred severities . 28
Table 15 – Maximum capacitance change . 28
Table 16 – Number of damp heat cycles . 29
Table 17 – Final inspection, measurements and requirements . 30
Table 18 – Final inspection, measurements and requirements . 31
Table 19 – Endurance test conditions for leaded multilayer ceramic capacitors . 31
Table 20 – Final inspection, measurements and requirements . 32

– 4 – 60384-8  IEC:2005
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT –

Part 8: Sectional specification:
Fixed capacitors of ceramic dielectric, Class 1

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
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with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60384-8 has been prepared by IEC technical committee 40:
Capacitors and resistors for electronic equipment.
This third edition cancels and replaces the second edition published in 1988, amendment 1
(1993) and amendment 2 (2000). This third edition is a result of maintenance activities related
to the previous edition. All changes that have been agreed upon can be categorized as minor
revisions.
This bilingual version (2011-11) corresponds to the monolingual English version, published in
2005-05.
60384-8  IEC:2005 – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
40/1528/FDIS 40/1548/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
The French version of this standard has not been voted upon.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
IEC 60384 consists of the following parts, under the general title Fixed capacitors for use in
electronic equipment:
Part 1: Generic specification
Part 2: Sectional specification: Fixed metallized polyethylene-terephthalate film dielectric
d.c. capacitors
Part 3: Sectional specification: Fixed tantalum chip capacitors
Part 4: Sectional specification: Aluminium electrolytic capacitors with solid and non-solid
electrolyte
Part 5: Sectional specification: Fixed mica dielectric d.c. capacitors with a rated voltage
not exceeding 3000 V – Selection of methods of test and general requirements
Part 6: Sectional specification: Fixed metallized polycarbonate film dielectric d.c.
capacitors
Part 7: Sectional specification: Fixed polystyrene film dielectric metal foil d.c. capacitors
Part 8: Sectional specification: Fixed capacitors of ceramic dielectric, Class 1
Part 9: Sectional specification: Fixed capacitors of ceramic dielectric, Class 2
Part 11: Sectional specification: Fixed polyethylene-terephthalate film dielectric metal foil
d.c. capacitors
Part 12: Sectional specification: Fixed polycarbonate film dielectric metal foil d.c.
capacitors
Part 13: Sectional specification: Fixed polypropylene film dielectric metal foil d.c.
capacitors
Part 14: Sectional specification: Fixed capacitors for electromagnetic interference
suppression and connection to the supply mains
Part 15: Sectional specification: Fixed tantalum capacitors with non-solid or solid
electrolyte
Part 16: Sectional specification: Fixed metallized polypropylene film dielectric d.c.
capacitors
Part 17: Sectional specification: Fixed metallized polypropylene film dielectric a.c. and
pulse capacitors
Part 18: Sectional specification: Fixed aluminium electrolytic chip capacitors with solid and
non-solid electrolyte
Part 19: Sectional specification: Fixed metallized polyethylene-terephthalate film dielectric
chip d.c. capacitors
Part 20: Sectional specification: Fixed metallized polyphenylene sulfide film dielectric chip
d.c. capacitors
Part 21: Sectional specification: Fixed surface mount multilayer capacitors of ceramic
dielectric, Class 1
– 6 – 60384-8  IEC:2005
Part 22: Sectional specification: Fixed surface mount multilayer capacitors of ceramic
dielectric, Class 2
Part 23: Sectional specification: Fixed surface mount metallized polyethylene naphthalate
film dielectric d.c. capacitors
Part 24: Sectional specification – Surface mount fixed tantalum electrolytic capacitors with
conductive polymer solid electrolyte①
Part 25: Sectional specification – Surface mount fixed aluminium electrolytic capacitors
with conductive polymer solid electrolyte①
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
—————————
To be published.
60384-8  IEC:2005 – 7 –
FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT –

Part 8: Sectional specification:
Fixed capacitors of ceramic dielectric, Class 1

1 General
1.1 Scope
This part of IEC 60384 is applicable to fixed capacitors of ceramic dielectric with a defined
temperature coefficient (dielectric Class 1), intended for use in electronic equipment, including
leadless capacitors but excluding fixed surface mount multilayer capacitors of ceramic
dielectric.
Capacitors for electromagnetic interference suppression are not included, but are covered by
IEC 60384-14.
1.2 Object
The object of this standard is to prescribe preferred ratings and characteristics and to select
from IEC 60384-1:1999, the appropriate quality assessment procedures, tests and measuring
methods and to give general performance requirements for this type of capacitor. Test
severities and requirements prescribed in detail specifications referring to this sectional
specification shall be of equal or higher performance level because lower performance levels
are not permitted.
1.3 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 60063:1963, Preferred number series for resistors and capacitors
Amendment 1 (1967)
Amendment 2 (1977)
IEC 60068-1, Environmental testing – Part 1: General and guidance
IEC 60384-1:1999, Fixed capacitors for use in electronic equipment – Part 1: Generic
specification
IEC 60384-14, Fixed capacitors for use in electronic equipment – Part 14: Sectional
specification: Fixed capacitors for electromagnetic interference suppression and connection to
the supply mains
IEC 60410:1973, Sampling plans and procedures for inspection by attributes
ISO 3:1973, Preferred numbers – Series of preferred numbers
—————————
Which are covered by IEC 60384-21 (Class 1).

– 8 – 60384-8  IEC:2005
1.4 Information to be given in a detail specification
Detail specifications shall be derived from the relevant blank detail specification.
Detail specifications shall not specify requirements inferior to those of the generic, sectional
or blank detail specification. When more severe requirements are included, they shall be
listed in 1.9 of the detail specification and indicated in the test schedules, for example by an
asterisk.
NOTE The information given in 1.4.1 may for convenience, be presented in tabular form.
The following information shall be given in each detail specification and the values quoted
shall preferably be selected from those given in the appropriate clause of this sectional
specification.
1.4.1 Outline drawing and dimensions
There shall be an illustration of the capacitor as an aid to easy recognition and for comparison
of the capacitor with others.
Dimensions and their associated tolerances, which affect interchangeability and mounting,
shall be given in the detail specification. All dimensions shall preferably be stated in
millimetres, however when the original dimensions are given in inches, the converted metric
dimensions in millimetres shall be added.
Normally, the numerical values shall be given for the length of the body, the width and height
of the body and the wire spacing, or for cylindrical types, the body diameter, and the length
and diameter of the terminations. When necessary, for example when a number of items
(capacitance values/voltage ranges) are covered by a detail specification, the dimensions and
their associated tolerances shall be placed in a table below the drawing.
When the configuration is other than described above, the detail specification shall state such
dimensional information as will adequately describe the capacitors. When the capacitor is not
designed for use on printed boards, this shall be clearly stated in the detail specification.
1.4.2 Mounting
The detail specification shall specify the method of mounting to be applied for normal use and
for the application of the vibration and the bump or shock tests. The capacitors shall be
mounted by their normal means. The design of the capacitor may be such that special
mounting fixtures are required in its use. In this case, the detail specification shall describe
the mounting fixtures and they shall be used in the application of the vibration and bump or
shock tests.
1.4.3 Ratings and characteristics
The ratings and characteristics shall be in accordance with the relevant clauses of this
specification, together with the following:
1.4.3.1 Rated capacitance range
See 2.2.4.1
NOTE When products approved to the detail specification have different ranges, the following statement should
be added: "The range of values available in each voltage range is given in IEC QC 001005".

60384-8  IEC:2005 – 9 –
1.4.3.2 Particular characteristics
Additional characteristics may be listed, when they are considered necessary to specify
adequately the component for design and application purposes.
1.4.3.3 Soldering
The detail specification shall prescribe the test methods, severities and requirements
applicable for the solderability and the resistance to soldering heat tests.
1.4.4 Marking
The detail specification shall specify the content of the marking on the capacitor and on the
package. Deviations from 1.6, shall be specifically stated.
1.5 Terms and definitions
For the purposes of this document, the applicable terms and definitions of IEC 60384-1 and
the following apply.
1.5.1
fixed capacitors of ceramic dielectric, class 1
capacitor specially designed and suited for resonant circuit application where low losses and
high stability of capacitance are essential or where a precisely defined temperature coefficient
is required, for example for compensating temperature effects in the circuit. The ceramic
dielectric is defined by its rated temperature coefficient (α)
1.5.2
subclass
for a given rated temperature coefficient, it is defined by the rated tolerance on the
temperature coefficient (see Table 2)
NOTE The rated temperature coefficient value and its tolerance refer to the temperature interval of +20 °C to
+85 °C but because in practice TC curves are not strictly linear, it is necessary to define limiting capacitance
deviations (ΔC/C) for other temperatures (see Table 3). The same information is expressed in graphical form in
Figures A.1 to A.15.
These figures enable the user to form an estimate of the value and tolerance of 1/C × (dC/dT) , the incremental
T
temperature coefficient at a given temperature T, though this quantity is not required specifically to be measured in
the test.
1.5.3
rated voltage
U
R
maximum d.c. voltage, which may be applied continuously to the terminations of a capacitor
at the rated temperature
NOTE The sum of the d.c. voltage and the peak a.c. voltage applied to the capacitor should not exceed the rated
voltage. The value of the peak alternating voltage should not exceed the value determined by the permissible
reactive power.
1.6 Marking
See IEC 60384-1, 2.4, with the following details:
1.6.1 The information given in the marking is normally selected from the following list; the
relative importance of each item is indicated by its position in the list:
a) rated capacitance;
b) rated voltage (d.c. voltage may be indicated by the symbol          or        );
c) tolerance on rated capacitance;

– 10 – 60384-8  IEC:2005
d) temperature coefficient and, space permitting, its tolerance in code, see Table 2;
e) year and month (or week) of manufacture;
f) manufacturer's name or trade mark;
g) climatic category;
h) manufacturer's type designation;
i) reference to the detail specification.
NOTE Information required under 1.6.1 b) and 1.6.1 d) may be given in code form under manufacturer's, or
national, type or style designation.
1.6.2 Coding of temperature coefficient is given in Table 2. In case of colour code spot,
stripe or ring may be used; moreover for temperature coefficients, where two colours are
required, the second colour may be provided by the colour of the body or of the typographical
marking.
1.6.3 The capacitor shall be clearly marked with a), b) and c) and with as many as possible
of the remaining items as is considered necessary. Any duplication of information in the
marking on the capacitor should be avoided.
1.6.4 The package containing the capacitor(s) shall be clearly marked with all the
information listed in 1.6.1.
1.6.5 Any additional marking shall be so applied that no confusion can arise.
2 Preferred ratings and characteristics
2.1 Preferred characteristics
The values given in detail specifications shall preferably be selected from the following:
2.1.1 Preferred climatic categories
The capacitors covered by this specification are classified into climatic categories according
to the general rules given in IEC 60068-1.
The lower and upper category temperatures and the duration of the damp heat, steady state
test shall be chosen from the following:
Lower category temperature:
-55 °C, -40 °C, -25 °C and -10 °C
Upper category temperature:
+70 °C, +85 °C, +100 °C and +125 °C
Duration of the damp heat, steady state test: 4, 10, 21 and 56 days
The severities for the cold and dry heat tests are the lower and upper category temperatures
respectively.
2.2 Preferred values of ratings
2.2.1 Rated temperature
For capacitors covered by this specification, the rated temperature is equal to the upper
category temperature.
60384-8  IEC:2005 – 11 –
2.2.2 Rated voltage (U )
R
The preferred values of rated voltage are: 25, 40, 63, 100, 160, 250, 400, 630, 1 000, 1 600,
2 500 and 4 000 V. These values conform to the basic series of preferred values R5 given in
ISO 3. If other values are needed they shall be chosen from the R10 series.
2.2.3 Category voltage (U )
C
Since the rated temperature is defined as the upper category temperature, the category
voltage is equal to the rated voltage, as defined in IEC 60384-1, 2.2.17.
2.2.4 Preferred values of rated capacitance and associated tolerance values
2.2.4.1 Preferred values of rated capacitance
Rated capacitance values shall be taken from the series of IEC 60063; the E6, E12 and E24
series are preferred.
2.2.4.2 Preferred tolerances on rated capacitance
Table 1 – Preferred tolerances on rated capacitance

C ≥ 10 pF C < 10 pF
R R
Preferred series Tolerances Letter code Tolerances Letter code
E 6 M G
±20 % ±2 pF
E 12 ±10 % K ±1 pF F
J D
±5 % ±0,5 pF
E 24 G C
±2 % ±0,25 pF
F B
±1 % ±0,1 pF
2.2.5 Temperature coefficient (α)
2.2.5.1 Table 2 shows the preferred rated temperature coefficient and the associated
-6
tolerances, expressed in parts per million per Kelvin (10 /K), and the corresponding
subclasses and codes.
The detail specification shall specify for each temperature coefficient the minimum value of
capacitance for which the given tolerance of temperature coefficient may be verified,
considering the accuracy of the methods of capacitance measurement specified.
For values of capacitance lower than these minimum values:
a) The detail specification shall specify a multiplying factor for the tolerance on α, as well as
the permissible changes of capacitance at the lower and upper category temperature;
b) Special methods of measurement may be necessary and, if required, shall be stated in the
detail specification.
2.2.5.2 Figures A.1 to A.15 show the limits of variation of capacitance with temperature for
the temperature coefficients and subclasses listed in Table 2.

– 12 – 60384-8  IEC:2005
Table 2 – Rated temperature coefficient and tolerances
Rated Tolerance on Subclass Letter code Colour code for
temperature temperature temperature
Tolerance
α
coefficient (α) coefficient coefficient
–6 –6
10 /K 10 /K
+100 1A A F Red + Violet
±15
1B G
±30
1A F Black
±15
0 1B C G
±30
1F H
±60
-33 1A H F Brown
±15
1B G
±30
-75 ±15 1A L F Red
1B G
±30
-150 1A P F Orange
±15
1B G
±30
1E H
±60
-220 1A R F Yellow
±15
1B G
±30
1F H
±60
-330 ±30 1A S G Green
1B H
±60
-470 1A T G Blue
±30
1B H
±60
-750 1A U H Violet
±60
1B J
±120
1F K
±250
-1 000 ±60 1A Q H Red + Yellow
1B J
±120
1F K
±250
-1 500 1F V K Orange + Orange
±250
-2 200 ±500 1F K L Yellow + Orange
-3 300 1F D L Green + Orange
±500
-4 700 1F E M Blue + Orange
±1 000
-5 600 ±1 000 1F F M Black + Orange
a
1C SL - Grey
+140≥α≥-1 000
a
1D UM - White
+250≥α ≥-1 750
NOTE 1 Preferred temperature coefficient values (α) are underlined.
-6 -6
NOTE 2 α values +33 × 10 /K and -47 × 10 /K may also be obtained on request.
NOTE 3 The rated temperature coefficients and their tolerances are defined using the capacitance change
between the temperatures 20 °C and 85 °C.
-6
NOTE 4 A capacitor with a temperature coefficient of 0 × 10 /K and a tolerance on temperature coefficient of
-6
±30 × 10 /K is designed as a CG capacitor (subclass 1B).
a
Those temperature coefficient values are not subject to inspection, since no limits for relative capacitance
variation are specified in Table 3.

60384-8  IEC:2005 – 13 –
Table 3 – Combination of temperature coefficient and tolerance

Permissible relative variation in capacitance in parts per 1 000 between 20 °C and a given temperature

Lower category temperatures Upper category temperatures
a
Tol.
α
–55 °C –40 °C –25 °C –10 °C +70 °C +85 °C +100 °C +125 °C
–6 –6
10 /K 10 /K
±15  (F) –8,63/–5,08 –6,90/–4,06 –5,18/–3,05 –3,45/–2,03 4,25/5,75 5,53/7,48 6,80/9,20 8,93/12,1
+100
–9,75/–3,71 –7,80/–2,96 –5,85/–2,22 –3,90/–1,48
±30  (G) 3,50/6,50 4,55/8,45 5,60/10,4 7,35/13,7
±15  (F)
–1,13/4,07 –0,900/3,26 –0,675/2,44 –0,450/1,63 –0,750/0,750 –0,975/0,975 –1,20/1,20 –1,58/1,58
0 ±30  (G) –2,25/5,45 –1,80/4,36 –1,35/3,27 –0,900/2,18 –1,50/1,50 –1,95/1,95 –2,40/2,40 –3,15/3,15
–4,50/8,19 –3,60/6,55 –2,70/4,91 –1,80/3,28 –3,00/3,00 –3,90/3,90 –4,80/4,80 –6,30/6,30
±60  (H)
±15  (F) 1,35/7,09 1,08/5.67 0,810/4,26 0,540/2,84 –2,40/–0,900 –3,12/–1,17 –3,84/–1,44 –5,04/–1,89
–33
0,225/8,46 0,180/6,77 0,135/5,08 0,090/3,39 –3,15/–0,150 –4,10/–0,195 –5,04/0,240 –6,62/–0,315
±30  (G)
±15  (F) 4,50/10,9 3,60/8,75 2,70/6,56 1,80/4,37 –4,50/–3,00 –5,85/–3,90 –7,20/–4,80 –9,45/–6,30
–75
±30  (G) 3,38/12,3 2,70/9,85 2,03/7,38 1,35/4,92 –5,25/–2,25 –6,83/–2,93 –8,40/–3,60 –11,0/–4,73
±15  (F)
10,1/17,8 8,10/14,2 6,08/10.7 4,05/7,12 –8,25/–6,75 –10,7/–8,78 –13,2/–10,8 –17,3/–14,2
–150 ±30  (G) 9,00/19,2 7,20/15,3 5,40/11,5 3,60/7,67 –9,00/–6,00 –11,7/–7,80 –14,4/–9,60 –18,9/–12,6
±60  (H) 6,75/21,9 5,40/17,5 4,05/13,1 2,70/8,77 –10,5/–4,50 –13,7/–5,85 –16,8/–7,20 –22,1/–9,45
±15  (F) 15,4/24,2 12,3/19,4 9,23/14,5 6,15/9,68 –11.8/–10,3 –15,3/–13,3 –18,8/–16,4 –24,7/–21,5
–220 ±30  (G) 14,3/25,6 11,4/20,5 8,55/15,3 5,70/10,2 –12,5/–9,50 –16,3/–12,4 –20,0/–15,2 –26,3/–20,0
12,0/28,3 9,60/22,7 7,20/17,0 4,80/11,3 –14,0/–8,00 –18,2/–10,4 –22,4/–12,8 –29.4/–16,8
±60  (H)
±30  (G) 22,5/35,6 18,0/28,5 13,5/21,4 9,00/14,3 –18,0/–15,0 –23,4/–19,5 –28,8/–24,0 –37,8/–31,5
–330
±60  (H) 20,3/38,4 16,2/30,7 12,2/23,0 8,10/15,4 –19.5/–13,5 –25,4/–17,6 –31,2/–21,6 –41,0/–28,4
±30  (G) 33,0/48,5 26,4/38,8 19,8/29,1 13,2/19,4 –25,0/–22,0 –32,5/–28,6 –40,0/–35,2 –52,5/–46,2
–470
±60  (H) 30,8/51,2 24,6/41,0 18,5/30,7 12,3/20,5 –26,5/–20,5 –34,5/–26,7 –42,4/–32,8 –55,7/–43,1
±60  (H)
51,8/76,8 41,4/61,5 31,1/46,1 20,7/30,7 –40,5/–34,5 –52,7/–44,9 –64,8/–55,2 –85,1/–72,5
–750 47,3/82,3 37,8/65,8 28,4/49,4 18,9/32,9 –43,5/–31,5 –56,6/–41,0 –69,6/–50,4 –91,4/–66,2
±120 (J)
37,5/94,2 30,0/75,4 22,5/56,5 15,0/37,7 –50,0/–25,0 –65,0/–32,5 –80,0/–40,0 –105/–52,5
±250 (K)
±60  (H) 70,5/99,7 56,4/79,8 42,3/59,8 28,2/39,9 –53,0/–47,0 –68,9/–61,1 –84,8/–75,2 –111/–98,7
–1 000 ±120 (J) 66,0/105 52,8/84,1 39,6/63,1 26,4/42,1 –56,0/–44,0 –72,8/–57,2 –89,6/–70,4 –118/–92,4
56,3/117 45,0/93,7 33,8/70,2 22,5/46,8 –62,5/–37,5 –81,3/–48,8 –100/–60,0 –131/–78,8
±250 (K)
–1 500 ±250 (K) 93,8/163 75,0/130 56,3/97,7 37,5/65,1 –87,5/–62,5 –114/–81,3 –140/–100 –184/–131
–2 200 ±500 (L) 128/250 102/200 76,5/150 51,0/99,9 –135/–85,0 –176/–111 –216/–136 –284/–179
–3 300 ±500 (L) 210/350 168/280 126/210 84,0/140 –190/–140 –247/–182 –304/–224 –399/–294
–4 700 ±1 000 (M) 278/524 222/419 167/315 111/210 –285/–185 –371/–241 –456/–296 –599/–389
–5 600 ±1 000 (M) 345/607 276/485 207/364 138/243 –330/–230 –429/–299 –528/–368 –693/–483

– 14 –               60384-8  IEC:2005

NOTE 1 Preferred temperature coefficient (α) values are underlined.
NOTE 2 The temperature coefficient limits at the temperature range from 20 °C to the upper category temperature are calculated by the rated temperature coefficients and
their tolerances (see formula 1) of NOTE 3).
The temperature coefficient limits at the temperature range from 20 °C to –55 °C are calculated by using the formula 2) and formula 3) of NOTE 3.
NOTE 3 The capacitance deviation at the lower category temperature shall be obtained by using the following formula:
1) Upper and lower permissible relative variation in capacitance under upper category temperature:
–3
ΔC/C(10 ) = (rated temperature coefficient ± tolerance on temperature coefficient*) × (upper category temperature – 20)/1 000
2) Lower permissible relative variation in capacitance under lower category temperature:
–3
ΔC/C(10 ) = (rated temperature coefficient + tolerance on temperature coefficient*) × (lower category temperature – 20)/1 000
3) Upper permissible relative variation in capacitance under lower category temperature:
–3
ΔC/C(10 ) = [(–36) – (1,22 × tolerance on temp. coefficient*) + (0,22 × rated temp. coefficient) + rated temp. coefficient ] × (lower category temperature – 20)/1 000
a
Tolerance on temperature coefficient is an absolute value.

60384-8  IEC:2005 – 15 –
3 Quality assessment procedures
3.1 Primary stage of manufacture
For single layer capacitors, the primary stage of manufacture is the metallizing of the
dielectric to form the electrode; for multilayer capacitors, it is the first common firing of the
dielectric-electrode assembly.
3.2 Structurally similar components
Capacitors, considered as being structurally similar, are capacitors produced with similar
processes and materials, though they may be of different case sizes and values.
3.3 Certified records of released lots
The information required in IEC 60384-1, 3.9 shall be made available when prescribed in the
detail specification and when requested by a purchaser. After the endurance test the
parameters for which variables information is required are the capacitance change, tan δ and
the insulation resistance.
3.4 Qualification approval
The procedures for qualification approval testing are given in IEC 60384-1, 3.5.
The schedule to be used for qualification approval testing on the basis of lot-by-lot and
periodic tests is given in 3.5 of this specification. The procedure using a fixed sample size
schedule is given in 3.4.1 and 3.4.2 below.
3.4.1 Qualification approval on the basis of the fixed sample size procedure
The fixed sample size procedure is described in IEC 60384-1, 3.5.3 b). The sample shall be
representative of the range of capacitors for which approval is sought. This may or may not be
the complete range covered by the detail specification.
When approval is sought for one temperature coefficient only, the sample shall consist of
specimens having the lowest and highest voltages, and for these voltages the lowest and
highest capacitance values. When there are more than four rated voltages an intermediate
voltage shall also be tested. Thus, for the approval of a range, testing is required of either
four or six values (capacitance/voltage combinations) for each temperature coefficient. Where
the total range consists of less than four values, the number of specimens to be tested shall
be that required for four values. When approval is sought for more than one temperature
coefficient, see 3.4.2.
Spare specimens are permitted as follows:
Two (for six values) or three (for four values) per value, which may be used as replacements
for specimens, which are non-conforming because of incidents not attributable to the
manufacturer.
The numbers given in Group 0 assume that all groups are applicable. If this is not so, the
numbers may be reduced accordingly.
When additional groups are introduced into the qualification approval test schedule, the
number of specimens required for Group 0 shall be increased by the same number as that
required for the additional groups.

– 16 – 60384-8  IEC:2005
Table 4 gives the number of samples to be tested in each group or subgroup together with the
number of permissible non-conformances for qualification approval tests.
3.4.2 Tests
The complete series of tests specified in Table 4 and Table 5 are required for the approval of
capacitors covered by one detail specification. The tests of each group shall be carried out in
the order given.
The whole sample shall be subjected to the tests of Group 0 and then divided for the other
groups.
Non-conforming specimens found during the tests of Group 0 shall not be used for the other
groups.
“One non-conforming item” is counted when a capacitor has not satisfied the whole or a part
of the tests of a group.
When approval is sought for more than one temperature coefficient at the same time, tests of
Groups 1 and 2 shall be carried out on the smallest temperature coefficient, but the tests of
Groups 3 and 4 shall be carried out on each individual temperature coefficient.
The approval is decided on an individual temperature coefficient basis in accordance with the
permissible number of non-conforming items indicated in Table 4. In order to calculate the
total actual non-conforming items for temperature coefficients other than the smallest, the
non-conforming items in Group 1 and Group 2 for the smallest temperature coefficient are
added to the non-conforming items in Group 3 and Group 4 for that particular temperature
coefficient.
The approval is granted when the number of non-conforming items do not exceed the
specified number of permissible non-conforming items for each group or subgroup and the
total number of permissible non-conformances.
NOTE Table 4 and Table 5 together form the fixed sample size test schedule. Table 4 includes the details for the
sampling and permissible non-conforming items for the different tests or groups of tests. Table 5 together with the
details of the test contained in Clause 4 gives a complete summary of test conditions and performance
requirements and indicates where, for example for the test method or conditions of test, a choice has to be made in
the detail specification.
The conditions of test and performance requirements for the fixed sample size test schedule
shall be identical to those prescribed in the detail specification for quality conformance
inspection.
60384-8  IEC:2005 – 17 –
Table 4 – Sampling plan together with numbers of permissible non-conforming items
for qualification approval tests, assessment level EZ
Group Test Subclause of this Number of Permissible
publication specimens number of
No.
non-conforming
items
b
n c
0 Visual examination 4.1
Dimensions 4.1
Capacitance 4.2.1
Tangent of loss angle 4.2.2 108 0
Voltage proof 4.2.4
Insulation resistance 4.2.3
Spare specimens 8
1A Robustness of terminations 4.4 12 0
Resistance to soldering heat 4.5

c
Component solvent resistance 4.14
1B Solderability 4.6 24 0
c)
Solvent resistance of the marking 4.15

a
Rapid change of temperature 4.7
Vibration 4.8
a
Bump or shock 4.9 or 4.10
1 Climatic sequence 4.11 36 0
2 Damp heat, steady state 4.12 24 0
3 Endurance 4.13 36 0
4 Temperature coefficient and cyclic 4.3 12 0
drift of capacitance
a
As required in the detail specification.
b
Capacitance/voltage combinatio
...