Datasheet

HVR25, HVR37
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Vishay BCcomponents
Revision: 11-Jul-2018
4
Document Number: 30260
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FUNCTIONAL PERFORMANCE
Maximum dissipation (P
max.
) in percentage of rated power as a function of ambient temperature (T
amb
)
PULSE LOADING CAPABILITY
Note
• Maximum allowed peak pulse voltage in accordance with IEC 60065, 14.1.a; 50 discharges from a 1 nF capacitor charged to U
max.
;
12 discharges/min







HVR25
R =  (4.0 % R + 0.1 )






HVR37
For 5 % tolerance R =  (4.0 % R + 0.1 )
For 1 % tolerance R =  (2.0 % R + 0.1 )
0
100
- 55 0 70 155
Ambient temperature
amb
Power Dissipation
P
Derating - Standard Operation
ϑ
12
11
10
4
5
6
7
8
9
10
-2
10
-1
10
0
10
1
10
2
(MΩ) R
Û
max.
(kV)
12
11
10
4
5
6
7
8
9
10
-2
10
-1
10
0
10
1
10
2
(MΩ)
R
Û
max.
(kV)