MKP385e

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Vishay BCcomponents

Revision: 28-May-2019

24

Document Number: 28255

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

SUB-GROUP C2

4.11

Damp heat steady state

56 days; 40 °C; 90 % to 95 % RH



no load



4.11.1

Initial measurements

Capacitance



Tangent of loss angle at 1 kHz



4.11.3

Final measurements

15 min after removal from test chamber



No breakdown or flashover

Visual examination

No visible damage



Legible marking



Capacitance

l

C/Cl  2 % of the value measured in

4.11.1.



Tangent of loss angle

Increase of tan

 0.0025 at 1 kHz

Compared to values measured in 4.11.1.



Insulation resistance

 50 % of values specified in section

“Insulation resistance” of this specification

SUB-GROUP C2A

4.12A

Damp heat steady state with load

60 °C; 93 % RH load:



4.12.1A Initial measurements

Capacitance



Tangent of loss angle at



for C

 1 μF at 10 kHz

for C > 1 μF at 1 kHz



4.12.3A Final measurements

Visual examination

No visible damage



Legible marking



Capacitance

l

C/Cl  10 % of the value measured in

4.12.1.



Tangent of loss angle

Increase of tan

:

 0.0240 for C  1 μF or

 0.0150 for C > 1 μF

Compared to values measured in 4.12.1.



Voltage proof



No permanent breakdown or flashover

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