Datasheet

790D
www.vishay.com
Vishay Sprague
Revision: 03-Feb-14
6
Document Number: 42072
For technical questions, contact: [e-mail]
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
PERFORMANCE CHARACTERISTICS
1. Operating Temperature: - 55 °C to +85 °C with rated
voltage U
R
applied. +85 °C to 125 °C with linear
voltage derating to category voltage U
C
(see general
information) applied.
2. Capacitance and Tolerance: Capacitance measured at
100 Hz and +25 °C shall be within the specified tolerance
limits of the nominal rating.
3. Reverse Voltage: 15 % of rated voltage at +25 °C
5 % of rated voltage at +85 °C
4. Surge Voltage: 130 % of U
R
at +85 °C 
130 % of U
C
at +125 °C
5. Impedance at 100 kHz: Measured at +20 °C ± 5 °C,
impedance shall not exceed the values listed in
datasheet.
6. Stability at low and high temperatures: Capacitance
change with temperature, dissipation factor and DC
leakage current shall not exceed the limits of the
following table.
7. Life Test: 2000 h at +85 °C with rated voltage applied
2000 h at +125 °C with category voltage applied
C/C  10 % of initial value 
IL  1.25 initial limit 
DF  initial limit
8. Humidity Test: 56 days at +40 °C, 90 % relative
humidity 
C/C  8 % of initial value 
IL  initial limit 
DF  initial limit
9. Charge and Discharge Test: 
1 million cycles at +85 °C, 
0.5 s charge at U
R

0.5 s discharge 
Series resistance < 0.5 
C/C  5 % of initial value 
IL  initial limit 
DF  initial limit
10. Marking: 
Top: Rating and polarity 
Front: Type, date code, Sprague trademark
PACKAGING QUANTITIES
CASE CODE TAPE AND REEL AMMO BULK
A 1000 1000 500
B 1000 1000 250
C 300 300 100
D 200 200 50
TEMP.
CAPACITANCE
CHANGE
C
R
U
R
 1900
C
R
U
R
> 1900
DISSIPATION
FACTOR
I
L
LEAKAGE
CURRENT
- 55 °C - 10 %
9 %
-
11 %
+25 °C -
6 % 0.01 C
R
x U
R
or
1 μA whichever
is greater
8 %
+85 °C +12 %
9 % 0.1 C
R
x U
R
or
10 μA whichever
is greater
11 %
+125 °C +15 %
12 % 0.125 C
R
x U
R
or
12.5 μA
whichever
is greater
14 %