Type 940C through 943C
Power Film Capacitors
Electrical Characteristics
Operating Temperature
Capacitance tolerance
Dissipation Factor
Dielectric Withstand
Insulation Resistance
Equivalent Series Resistance (ESR)
Equivalent Series Inductance (ESL)
dV/dt
Rated Current, I
pk
and I
rms
–55 ºC to +105 ºC
*Full rated voltage at 85 ºC, derate linearly to 50% rated voltage at 105 ºC
±10% standard tolerance
<0.1% at 1 kHz, 25 ºC
1.6 x rated voltage for 60 seconds
>100,000 MΩ x µF at 100 Vdc
measured after 2 minutes
See rating tables for values
See rating tables for values
See rating tables for values
See rating tables for values
–200 ppm/ºC ±100 ppm
30,000 hours @ rated Vac, 70 ºC
60,000 hours @ rated Vdc, 70 ºC
Maximum allowable current in amperes at 70 ºC
Capacitance Temperature Coefficient
Service Life
Accelerated Tests
Accelerated Life
Performance
Accelerated Pulse Testing
Performance
1.25 x rated DC voltage at 85 ºC
for 2,000 hours
<3% capacitance change
ESR <125% of initial reading
IR >50% of initial limit
per IEC-384
<3% in capacitance change
<.003 increase in DF from initial value
Typical Characteristics
4
% Capacitance Change
.20
% Dissipation Factor
2
0
.15
.10
.05
0
–
2
–
4
–
6
–
55
–
25
0
25
50
75
105
–
55
–
25
0
25
50
75
105
Degrees Centigrade
Degrees Centigrade
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