MKP1839 HQ
Vishay Roederstein
www.vishay.com
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST
SUB-GROUP C2
CONDITIONS
PERFORMANCE REQUIREMENTS
4.11
Damp heat steady state
Capacitance
4.11.1 Initial measurements
Tangent of loss angle at 1 kHz
Visual examination
No visible damage
Legible marking
4.11.3 Final measurements
Voltage proof = URDC for 1 min within
15 min after removal from testchamber
No breakdown or flashover
Capacitance
|C/C| 3 % of the value measured in 4.11.1.
Tangent of loss angle
Increase of tan :
for C 470 nF 0.001 (10 x 10-4)
for C > 470 nF 0.0015 (15 x 10-4)
Compared to values measured in 4.11.1
Insulation resistance
50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C3 A
4.12.1 Endurance test at 50 Hz
Duration: 2000 h
1.0 x URAC at 85 °C
0.875 x URAC at 110 °C
alternative voltage
4.12.1.1 Initial measurements
4.12.1.3 Final measurements
Capacitance
Tangent of loss angle at 100 kHz
Visual examination
Capacitance
No visible damage
Legible marking
|C/C| 5 % compared to values measured
in 4.12.1.1
Tangent of loss angle
Increase of tan :
for C 470 nF 0.001 (10 x 10-4)
for C > 470 nF 0.0015 (15 x 10-4)
Compared to values measured in 4.12.1.1
Insulation resistance
50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C4
4.2.6
Temperature characteristics
Initial measurement
Intermediate measurements
Capacitance
For -55 °C to 20 °C
Capacitance at -55 °C
Capacitance at 20 °C
Capacitance at 110 °C
0 % |C/C| 2.75 % or
for 20 °C to 110 °C:
-5.5 % |C/C| 0 %
As specified in section “Capacitance” of this
specification
4.13
Charge and discharge
10 000 cycles
Charged to URDC
Discharge resistance:
UnVDC
R = ------------------------------------------
2.5 x CdU dt
4.13.1 Initial measurements
4.13.3 Final measurements
Capacitance
Tangent of loss angle at 100 kHz
Capacitance
|C/C| 3 % of the value measured in 4.13.1
Tangent of loss angle
Increase of tan :
for C 470 nF 0.001 (10 x 10-4)
for C > 470 nF 0.0015 (15 x 10-4)
Compared to values measured in 4.13.1
Insulation resistance
50 % of values specified in section
“Insulation Resistance” of this specification
Revision: 21-Dec-15
Document Number: 28162
11
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