MKP385e

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Vishay BCcomponents

Revision: 28-May-2019

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Document Number: 28255

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SUB-GROUP C4

4.2.6

Temperature characteristics



Initial measurements



Intermediate measurements

Capacitance



Capacitance at -40 °C



Capacitance at 20 °C



Capacitance at +125 °C

For -40 °C to +20 °C:



+1 %

 lC/Cl  3.75 % or

for 20 °C to 125 °C:



-7.5 %

 lC/Cl  0 %

Compared to values measured in 4.12.1.1



Final measurements

Capacitance

As specified in section “Capacitance” of this

specification



Insulation resistance

As specified in section “Insulation

Resistance” of this specification



4.13

Charge and discharge

10 000 cycles



Discharge resistance:

4.13.1 Initial measurements

Capacitance



Tangent of loss angle:



C ≤ 1 μF at 100 kHz



1 μF < C

 10 μF at 10 kHz

C

 10 μF at 1 kHz

4.13.3 Final measurements

Capacitance

l

C/Cl  1 % compared to values measured

in 4.13.1.



Tangent of loss angle

Increase of tan

:

 0.0005 for: C  100 nF at 100 kHz

 0.0010 for: 100 nF < C  470 nF at 100 kHz

 0.0015 for: 470 nF < C  1 μF at 100 kHz

 0.0015 for: 1 μF < C  10 μF at 10 kHz

Compared to values measured in 4.13.1



Insulation resistance

 50 % of values specified in section

“Insulation Resistance” of this specification.

IEC 60384-17 - FIXED METALLIZED POLYPROPYLENE FILM DIELECTRIC AC AND PULSE

CAPACITORS

SUB-CLAUSE NUMBER AND TEST

CONDITIONS

PERFORMANCE REQUIREMENTS

R

U

RDC

2.5 x C (dU/dt)

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=