MMKP383
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Vishay BCcomponents
Revision: 15-Jan-15
14
Document Number: 28173
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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 = U
RDC
for 1 min within 15 min
after removal from testchamber
No breakdown or flash-over
Visual examination No visible damage
Legible marking
Capacitance For original pitch = 22.5 mm and 37.5 mm:
|C/C| 2 % or
for original pitch 15 mm:
|C/C| 3 % of the value measured in
4.4.2 or 4.9.3
Tangent of loss angle Increase of tan :
0.0005 for: C 100 nF or
0.001 for: 100 nF < C 470 nF or
0.0015 for: C > 470 nF
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
no load
4.11.1 Initial measurements Capacitance
Tangent of loss angle at 1 kHz
4.11.3 Final measurements Voltage proof = U
RDC
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| 1 % of the value measured in 4.11.1
Tangent of loss angle Increase of tan :
0.0005 for: C 100 nF or
0.001 for: 100 nF < C 470 nF or
0.0015 for: C > 470 nF
Compared to values measured in 4.11.1
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
