MKT1813

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Vishay Roederstein

Revision: 04-Jul-13

13

Document Number: 26013

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

SUB-GROUP C1B PART OF SAMPLE



OF SUB-GROUP C1

4.9

Shock

Mounting:



See section “Mounting” of this specification

Pulse shape: Half sine

Acceleration: 490 m/s2

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

 

 0.005 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 4.6.1



Insulation resistance

As specified in section “Insulation

Resistance” of this specification

SUB-GROUP C1 COMBINED SAMPLE



OF SPECIMENS OF SUB-GROUPS



C1A AND C1B

4.10

Climatic sequence



4.10.2

Dry heat

Temperature: + 100 °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

after removal from testchamber



No breakdown of flash-over

Visual examination

No visible damage

Legible marking



Capacitance

|

C/C|  5 % of the value measured in 

4.4.2 or 4.9.3



Tangent of loss angle

Increase of tan



 0.007 for: C  100 nF or

 0.010 for: 100 nF < C  220 nF or

 0.015 for: 220 nF < C  470 nF and

 0.005 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



4.11.1

Initial measurements

Capacitance



Tangent of loss angle at 1 kHz

GROUP C INSPECTION REQUIREMENTS

SUB-CLAUSE NUMBER AND TEST

CONDITIONS

PERFORMANCE REQUIREMENTS