MKT1818 Series Datasheet by Vishay Beyschlag/Draloric/BC Components

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VISHAY. ternative Device: MKT371 www.vishay.com/doc?99912 darmmfliwshayxam ® RoHS comm moss» FREE GR" durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 1Document Number: 26009
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Metallized Polyester Film Capacitors
MKT Radial Potted Type
FEATURES
• 7.5 mm lead pitch
• Supplied loose in box and taped on reel or
ammopack
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
Blocking, bypassing, filtering and timing, high frequency
coupling and decoupling. Interference suppression in low
voltage applications.
Note
•For more detailed data and test requirements contact: dc-film@vishay.com
QUICK REFERENCE DATA
Capacitance range 1 nF to 1.0 µF (E12 series)
Capacitance tolerances ± 20 % (M), ± 10 % (K), ± 5 % (J)
Climatic testing according to IEC 60068-1 55/105/56
Reference specifications IEC 60384-2
Performance grade 1 (long life)
Dielectric Polyester film
Electrodes Metallized
Construction
Mono construction
Encapsulation Flame retardant plastic case (UL-class 94 V-0), epoxy resin sealed
Leads Tinned wire
Marking Manufacturer’s logo/type/C-value/rated voltage/tolerance/date of manufacture
Rated temperature 85 °C
Maximum application temperature 105 °C
Rated DC voltage 63 VDC, 100 VDC, 250 VDC, 400 VDC, 630 VDC
Rated AC voltage 40 VAC, 63 VAC, 160 VAC, 200 VAC, 220 VAC
DIMENSIONS in millimeters
w
Ø 0.5 ± 0.05
l
7.5 ± 0.4
h
lt = 6 -1
ternative Device: MK T371 VISHAY. \MKT1818‘ X \XX‘ZS‘T \)‘(\ S www wshaycom/docnm 69 durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 2Document Number: 26009
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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COMPOSITION OF CATALOG NUMBER
Note
(1) See “Voltage Proof Test for Metalized Film Capacitors”: www.vishay.com/doc?28169
SPECIFIC REFERENCE DATA
DESCRIPTION VALUE
Tangent of loss angle: at 1 kHz at 10 kHz at 100 kHz
C 0.1 µF 80 x 10-4 150 x 10-4 300 x 10-4
0.1 µF < C 1.0 µF 80 x 10-4 150 x 10-4 -
PITCH
(mm)
RATED VOLTAGE PULSE SLOPE (dU/dt)R
63 VDC 100 VDC 250 VDC 400 VDC 630 VDC
7.5 18 36 70 190 70
If the maximum pulse voltage is less than the rated voltage higher dV/dt values can be permitted.
R between leads, for C 0.33 µF and UR 100 V > 15 000 M
R between leads, for C 0.33 µF and UR > 100 V > 30 000 M
RC between leads, for C > 0.33 µF and UR 100 V > 5000 s
RC between leads, for C > 0.33 µF and UR > 100 V > 10 000 s
R between interconnecting leads and casing, 100 V (foil method) > 30 000 M
Withstanding (DC) voltage (cut off current 10 mA) (1);
rise time 1000 V/s 1.6 x URDC, 1 min
Withstanding (DC) voltage between leads and case 2.0 x URDC, with minimum of 200 VDC; 1 min
Maximum application temperature 105 °C
MKT 1818 X XX 25 X X
CAPACITANCE
(numerically)
Example:
468 = 680 nF
MULTIPLIER
(nF)
0.1 2
13
10 4
100 5
TYPE
Un = 06 = 63 V
Un = 01 = 100 V
Un = 25 = 250 V
Un = 40 = 400 V
Un = 63 = 630 V
PACKAGING
Ammo, H = 18.5 mm
G
W Reel H = 18.5 mm, diameter 350 mm
-Bulk
TOLERANCE
4 ± 5 %
5± 10 %
6± 20 %
ternative Device: MK T371 VISHAY. durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 3Document Number: 26009
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Note
(1) S = Box size 55 mm x 210 mm x 340 mm (W x H x L)
ELECTRICAL DATA
URDC
(V)
CAP.
(μF)
CAPACITANCE
CODE
VOLTAGE
CODE VAC
DIMENSIONS
w x h x l
(mm)
63
0.10 -410
06 40
2.5 x 6.5 x 10.0
0.15 -415 3.0 x 8.0 x 10.0
0.22 -422 3.0 x 8.0 x 10.0
0.33 -433 4.0 x 9.0 x 10.0
0.47 -447 4.0 x 9.0 x 10.0
0.68 -468 4.0 x 9.0 x 10.0
1.0 -510 5.0 x 10.5 x 10.0
100
0.022 -322
01 63
2.5 x 6.5 x 10.0
0.033 -333 2.5 x 6.5 x 10.0
0.047 -347 2.5 x 6.5 x 10.0
0.068 -368 3.0 x 8.0 x 10.0
0.10 -410 3.0 x 8.0 x 10.0
0.15 -415 4.0 x 9.0 x 10.0
0.22 -422 4.0 x 9.0 x 10.0
0.33 -433 5.0 x 10.5 x 10.0
0.47 -447 5.0 x 10.5 x 10.0
250
0.010 -310
25 160
2.5 x 6.5 x 10.0
0.015 -315 2.5 x 6.5 x 10.0
0.022 -322 3.0 x 8.0 x 10.0
0.033 -333 3.0 x 8.0 x 10.0
0.047 -347 3.0 x 8.0 x 10.0
0.068 -368 4.0 x 9.0 x 10.0
0.10 -410 4.0 x 9.0 x 10.0
400
0.0033 -233
40 200
2.5 x 6.5 x 10.0
0.0047 -247 2.5 x 6.5 x 10.0
0.0068 -268 2.5 x 6.5 x 10.0
0.010 -310 3.0 x 8.0 x 10.0
0.015 -315 4.0 x 9.0 x 10.0
0.022 -322 5.0 x 10.5 x 10.0
0.033 -333 5.0 x 10.5 x 10.0
0.047 -347 5.0 x 10.5 x 10.0
630
0.0010 -210
63 220
2.5 x 6.5 x 10.0
0.0015 -215 2.5 x 6.5 x 10.0
0.0022 -222 2.5 x 6.5 x 10.0
0.0033 -233 3.0 x 8.0 x 10.0
RECOMMENDED PACKAGING
LETTER
CODE
TYPE OF
PACKAGING
HEIGHT (H)
(mm)
REEL DIAMETER
(mm)
ORDERING CODE
EXAMPLES
PCM
7.5
G Ammo 18.5 S (1) MKT1818310255G X
W Reel 18.5 350 MKT1818310255W X
- Bulk - - MKT1818310255 X
ternative Device: MKT371 VISHAY. www.mshaycom/docs’HBW 39 www.vi5hay.com/doc?28147 dcflm®vwshay Corn www.v\shay.com/doc?91000
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 4Document Number: 26009
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
MOUNTING
Normal Use
The capacitors are designed for mounting on printed-circuit boards. The capacitors packed in bandoliers are designed for
mounting in printed-circuit boards by means of automatic insertion machines.
For detailed tape specifications refer to packaging information www.vishay.com/docs?28139
Specific Method of Mounting to Withstand Vibration and Shock
In order to withstand vibration and shock tests, it must be ensured that the stand-off pips are in good contact with the
printed-circuit board.
• For pitches 15 mm the capacitors shall be mechanically fixed by the leads
• For larger pitches the capacitors shall be mounted in the same way and the body clamped
Space Requirements on Printed-Circuit Board
The maximum space for length (Imax.), width (wmax.) and height (hmax.) of film capacitors to take in account on the printed-circuit
board is shown in the drawings.
• For products with pitch 15 mm, w = l = 0.3 mm; h = 0.1 mm
Eccentricity defined as in drawing. The maximum eccentricity is smaller than or equal to the lead diameter of the product
concerned.
SOLDERING CONDITIONS
For general soldering conditions and wave soldering profile, we refer to the document “Characteristics and Definitions Used for
Film Capacitors”: www.vishay.com/doc?28147
Storage Temperature
Tstg = -25 °C to +35 °C with RH maximum 75 % without condensation
Ratings and Characteristics Reference Conditions
Unless otherwise specified, all electrical values apply to an ambient free air temperature of 23 °C ± 1 °C, an atmospheric
pressure of 86 kPa to 106 kPa and a relative humidity of 50 % ± 2 %.
For reference testing, a conditioning period shall be applied over 96 h ± 4 h by heating the products in a circulating air oven at
the rated temperature and a relative humidity not exceeding 20 %.
CBA116
Eccentricity
w
max.
= w + Δw
h
max.
= h + Δh
I
max.
= I + ΔI
Seating plane
ternative Devic MKT371 VISHAY. 10 m m 5 durmm@v\shay Corn ww sha om/do
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 5Document Number: 26009
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
CHARACTERISTICS
Capacitance as a function of frequency Capacitance as a function of ambient temperature
Max. DC and AC voltage as a function of temperature Impedance as a function of frequency
Max. AC voltage as a function of frequency Max. AC voltage as a function of frequency
f (Hz)
102103104105
ΔC/C
(%)
2
0
- 1
- 2
- 3
1
T
amb
(°C)
a. 63 V series
b. 100 V series
c. 250 V series
d. 400 V series
typical
1 kHz
- 60
Δ
C/C
(%)
6
2
0
- 2
- 4
- 6
4
- 20 20 60 100
min.
max.
d
c
b
a
1.2
1
0.8
0.6
0.4
0.2
0.0
- 60 - 20 20 60 100 Tamb (°C)
factor
f (Hz)
104106
105107 108
400 V; 4.7 nF
250 V; 68 nF
100 V; 220 nF
102
100
10-1
10-2
10-3
101
Impedance
(Ω)
102
100
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
100 nF
220 nF
470 nF
1000 nF
AC Voltage
(V)
Tamb ≤ 85 °C, 63 VDC
102
100
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
AC Voltage
(V)
100 nF
220 nF
470 nF
1000 nF
85 °C < Tamb ≤ 105 °C, 63 VDC
VISHAY. durmm@v\shay com www \shay com/do 91000
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 6Document Number: 26009
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Max. AC voltage as a function of frequency Max. AC voltage as a function of frequency
Max. AC voltage as a function of frequency Max. AC voltage as a function of frequency
Max. AC voltage as a function of frequency Max. AC voltage as a function of frequency
102
100
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
AC Voltage
(V)
100 nF
220 nF
470 nF
47 nF
22 nF
Tamb ≤ 85 °C, 100 VDC
102
100
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
AC Voltage
(V)
100 nF
220 nF
470 nF
47 nF
22 nF
85 °C < Tamb ≤ 105 °C, 100 VDC
103
100
102
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
AC Voltage
(V)
10 nF
22 nF
47 nF
100 nF
Tamb ≤ 85 °C, 250 VDC
103
100
102
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
AC Voltage
(V)
85 °C < Tamb ≤ 105 °C, 250 VDC
10 nF
22 nF
47 nF
100 nF
103
100
102
101
f (Hz)
10
3
10
2
10
4
10
5
10
1
AC Voltage
(V)
4.7 nF
15 nF
39 nF
Tamb ≤ 85 °C, 400 VDC
103
100
102
101
f (Hz)
103
102 104105
101
AC Voltage
(V)
4.7 nF
15 nF
39 nF
85 °C < Tamb ≤ 105 °C, 400 VDC
ternative Device: MKT371 VISHAY. durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
www.vishay.com Vishay Roederstein
Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 7Document Number: 26009
For technical questions, contact: dc-film@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Maximum RMS Current (Sinewave) as a Function of Frequency
UAC is the maximum AC voltage depending on the ambient temperature in the curves “Max. RMS voltage and AC current as a
function of frequency”.
Tangent of loss angle as a function of frequency Insulation resistance as a function of the ambient temperature
(typical curve)
Maximum allowed component temperature rise (T)
as a function of the ambient temperature Tamb
Tamb (°C)
- 60 - 20 20 60 100
RC (s)
10
5
10
3
10
2
10
4
HEAT CONDUCTIVITY (G) AS A FUNCTION OF (ORIGINAL) PITCH AND CAPACITOR BODY
THICKNESS IN mW/°C
Wmax.
(mm)
HEAT CONDUCTIVITY (mW/°C)
PITCH 7.62 mm
2.5 3
3.0 4
4.0 5
5.0 6
6.0 7
ΔT (°C)
- 60 - 20 20 60 100
Tamb (°C)
16
12
8
4
0
ternative Device: MKT371 VISHAY. d |m@vxshay.com chHm®wshay corn www.v\shay.com/doc?91000
MKT1818
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Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 8Document Number: 26009
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POWER DISSIPATION AND MAXIMUM COMPONENT TEMPERATURE RISE
The power dissipation must be limited in order not to exceed the maximum allowed component temperature rise as a function
of the free ambient temperature.
The power dissipation can be calculated according type detail specification “HQN-384-01/101: Technical Information Film
Capacitors”.
The component temperature rise (T) can be measured (see section “Measuring the component temperature” for more details)
or calculated by T = P/G:
• T = component temperature rise (°C)
• P = power dissipation of the component (mW)
• G = heat conductivity of the component (mW/°C)
MEASURING THE COMPONENT TEMPERATURE
A thermocouple must be attached to the capacitor body as in:
The temperature is measured in unloaded (Tamb) and maximum loaded condition (TC).
The temperature rise is given by T = TC - Tamb.
To avoid radiation or convection, the capacitor should be tested in a wind-free box.
APPLICATION NOTE AND LIMITING CONDITIONS
These capacitors are not suitable for mains applications as across-the-line capacitors without additional protection, as
described hereunder. These mains applications are strictly regulated in safety standards and therefore electromagnetic
interference suppression capacitors conforming the standards must be used.
For capacitors connected in parallel, normally the proof voltage and possibly the rated voltage must be reduced. For information
depending of the capacitance value and the number of parallel connections contact: dc-film@vishay.com
To select the capacitor for a certain application, the following conditions must be checked:
1. The peak voltage (UP) shall not be greater than the rated DC voltage (URDC)
2. The peak-to-peak voltage (UP-P) shall not be greater than 22 x URAC to avoid the ionization inception level
3. The voltage peak slope (dU/dt) shall not exceed the rated voltage pulse slope in an RC-circuit at rated voltage and without
ringing. If the pulse voltage is lower than the rated DC voltage, the rated voltage pulse slope may be multiplied by URDC and
divided by the applied voltage.
For all other pulses following equation must be fulfilled:
T is the pulse duration.
4. The maximum component surface temperature rise must be lower than the limits (see graph “Max. allowed component
temperature rise”).
5. Since in circuits used at voltages over 280 V peak-to-peak the risk for an intrinsically active flammability after a capacitor
breakdown (short circuit) increases, it is recommended that the power to the component is limited to 100 times the values
mentioned in the table: “Heat Conductivity”
6. When using these capacitors as across-the-line capacitor in the input filter for mains applications or as series connected
with an impedance to the mains the applicant must guarantee that the following conditions are fulfilled in any case (spikes
and surge voltages from the mains included).
Thermocouple
2 x dU
dt
--------


2
0
T
x dt URDC x dU
dt
--------


rated
ternative Device: MKT371 VISHAY. durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
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Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 9Document Number: 26009
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Example
C = 330 nF - 63 V used for the voltage signal shown in next drawing.
UP-P = 40 V; UP = 35 V; T1 = 100 µs; T2 = 200 µs
The ambient temperature is 35 °C
Checking conditions:
1. The peak voltage UP = 35 V is lower than 63 VDC
2. The peak-to-peak voltage 40 V is lower than 22 x 40 VAC = 113 UP-P
3. The voltage pulse slope (dU/dt) = 40 V/100 µs = 0.4 V/µs
This is lower than 60 V/µs (see specific reference data for each version)
4. The dissipated power is 16.2 mW as calculated with fourier terms
The temperature rise for wmax. = 3.5 mm and pitch = 5 mm will be 16.2 mW/5.0 mW/°C = 3.24 °C
This is lower than 15 °C temperature rise at 35 °C, according figure “Max. allowed component temperature rise”
5. Not applicable
6. Not applicable
Voltage Signal
INSPECTION REQUIREMENTS
General Notes
Sub-clause numbers of tests and performance requirements refer to the “Sectional Specification, Publication IEC 60384-2 and
Specific Reference Data”.
VOLTAGE CONDITIONS FOR 6 ABOVE
ALLOWED VOLTAGES Tamb 85 °C 85 °C < Tamb 105 °C
Maximum continuous RMS voltage URAC See “Max. AC voltage as function
of temperature” per characteristics
Maximum temperature RMS-overvoltage (< 24 h) 1.25 x URAC URAC
Maximum peak voltage (VO-P) (< 2 s) 1.6 x URDC 1.3 x URDC
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
SUB-GROUP C1A PART OF SAMPLE
OF SUB-GROUP C1
4.1 Dimensions (detail) As specified in chapters “General Data” of
this specification
4.3.1 Initial measurements Capacitance
Tangent of loss angle:
for C 470 nF at 100 kHz
for 470 nF < C 1 µF at 10 kHz
4.3 Robustness of terminations Tensile and bendingNo visible damage
4.4 Resistance to soldering heat Method: 1A
Solder bath: 280 °C ± 5 °C
Duration: 10 s
Voltage
UP
Time
UP-P
T1
T2
ternative Device: MK T371 VISHAY. durmm@v\shay Corn www.v\shay,com/doc?91000
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SUB-GROUP C1A PART OF SAMPLE
OF SUB-GROUP C1
4.14 Component solvent resistance Isopropylalcohol at room temperature
Method: 2
Immersion time: 5 min ± 0.5 min
Recovery time: min. 1 h, max. 2 h
4.4.2 Final measurements Visual examination No visible damage
Legible marking
Capacitance |C/C| 2 % of the value measured initially
Tangent of loss angle Increase of tan :
0.005 for: C 100 nF or
0.010 for: 100 nF < C 220 nF or
0.015 for: 220 nF < C 470 nF and
0.003 for: C > 470 nF
Compared to values measured in 4.3.1
SUB-GROUP C1B OTHER PART OF
SAMPLE OF SUB-GROUP C1
4.6.1 Initial measurements Capacitance
Tangent of loss angle:
for C 470 nF at 100 kHz
for 470 nF < C 1 µF at 10 kHz
No visible damage
4.6 Rapid change of temperature A = -55 °C
B = +105 °C
5 cycles
Duration t = 30 min
4.7 Vibration Visual examination
Mounting:
see section “Mounting” of this specification
Procedure B4
Frequency range: 10 Hz to 55 Hz
Amplitude: 0.75 mm or
Acceleration 98 m/s
(whichever is less severe)
Total duration 6 h
No visible damage
4.7.2 Final inspection Visual examination No visible damage
4.9 Shock Mounting:
see section “Mounting” of this specification
Pulse shape: half sine
Acceleration: 490 m/s
Duration of pulse: 11 ms
4.9.3 Final measurements Visual examination No visible damage
Capacitance |C/C| 3 % of the value measured in 4.6.1
Tangent of loss angle Increase of tan : 0.010
Compared to values measured in 4.6.1
Insulation resistance As specified in section “Insulation
Resistance” of this specification
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
ternative Device: MK T371 VISHAY. durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
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Revision: 11-Jan-18 11 Document Number: 26009
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SUB-GROUP C1 COMBINED SAMPLE
OF SPECIMENS OF SUB-GROUPS
C1A AND C1B
4.10 Climatic sequence
4.10.2 Dry heat Temperature: +105 °C
Duration: 16 h
4.10.3 Damp heat cyclic
Test Db, first cycle
4.10.4 Cold Temperature: -55 °C
Duration: 2 h
4.10.6 Damp heat cyclic
Test Db, remaining cycles
4.10.6.2 Final measurements Voltage proof = URDC for 1 min within 15 min
after removal from testchamber
No breakdown or flash-over
Visual examination No visible damage
Legible marking
Capacitance |C/C| 3 % of the value measured in
4.4.2 or 4.9.3
Tangent of loss angle Increase of tan : 0.010
Compared to values measured in 4.3.1 or
4.6.1
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C2
4.11 Damp heat steady state 56 days, 40 °C, 90 % to 95 % RH
4.11.1 Initial measurements Capacitance
Tangent of loss angle at 1 kHz
4.11.3 Final measurements Voltage proof = URDC for 1 min within 15 min
after removal from testchamber
No breakdown or flash-over
Visual examination No visible damage
Legible marking
Capacitance |C/C| 5 % of the value measured in 4.11.1.
Tangent of loss angle Increase of tan : 0.005
Compared to values measured in 4.11.1
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
SUB GROUP C3
4.12 Endurance Duration: 2000 h
1.25 x URDC at 85 °C
0.8 x 1.25 URDC at 105 °C
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
ternative Device: MK T371 VISHAY. durmm@v\shay Corn www.v\shay,com/doc?91000
MKT1818
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Not for New Designs - Alternative Device: MKT371
Revision: 11-Jan-18 12 Document Number: 26009
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SUB GROUP C3
4.12.1 Initial measurements Capacitance
Tangent of loss angle:
for C 470 nF at 100 kHz
for 470 nF < C 1 µF at 10 kHz
4.12.5 Final measurements Visual examination No visible damage
Legible marking
Capacitance |C/C| 5 % compared to values measured
in 4.12.1
Tangent of loss angle Increase of tan 
0.005 at 85 °C
0.010 at 100 °C
Compared to values measured in 4.12.1
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C4
4.13 Charge and discharge 10 000 cycles
Charged to URDC
Discharge resistance:
4.13.1 Initial measurements Capacitance
Tangent of loss angle:
for C 470 nF at 100 kHz
for 470 nF < C 1 µF at 10 kHz
4.13.3 Final measurements Capacitance |C/C| 3 % compared to values measured
in 4.13.1
Tangent of loss angle Increase of tan :
0.005 for: C 100 nF or
0.010 for: 100 nF < C 220 nF or
0.015 for: 220 nF < C 470 nF and
0.003 for: C > 470 nF
Compared to values measured in 4.13.1
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
R = UR
C x 2.5 x dU/dt
R
---------------------------------------------------
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