MKP1839 HQ
www.vishay.com
Vishay Roederstein
Revision: 21-Dec-15
11
Document Number: 28162
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
SUB-GROUP C2
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 = U
RDC
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
alternative voltage
Duration: 2000 h
1.0 x U
RAC
at 85 °C
0.875 x U
RAC
at 110 °C
4.12.1.1 Initial measurements Capacitance
Tangent of loss angle at 100 kHz
4.12.1.3 Final measurements Visual examination No visible damage
Legible marking
Capacitance |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
Capacitance at -55 °C
Capacitance at 20 °C
Capacitance at 110 °C
For -55 °C to 20 °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 U
RDC
Discharge resistance:
4.13.1 Initial measurements Capacitance
Tangent of loss angle at 100 kHz
4.13.3 Final measurements 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
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
R
U
n
V
DC
2.5 x C dU dt
------------------------------------------
=
