Vishay draloric, Vitreous wirewound resistors, Temperature rise – C&H Technology RW User Manual
Page 7: Derating
RW
Vitreous Wirewound Resistors
Vishay Draloric
Document Number: 21005
For technical questions contact [email protected]
www.vishay.com
Revision: 04-Jul-06
93
0 5 10 15 20 25
RW 10/44
500
400
300
200
100
0
RW 12/25
Temperature Rise
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
POWER IN W
0 5 10 15 20 25
RW 12/51
500
400
300
200
100
0
RW 12/38
Temperature Rise
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
POWER IN W
0 20 40 60 80 100
RW 20/76
500
400
300
200
100
0
RW 12/76
Temperature Rise
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
POWER IN W
0 50 100 150 200 250
RW 30/102
500
400
300
200
100
0
RW 20/102
Temperature Rise
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
POWER IN W
0 100 200 300 400 500
RW 30/267
500
400
300
200
100
0
RW 30/152
Temperature Rise
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
POWER IN W
0 100 200 300 400 500
RW 10/44
500
400
300
200
100
0
RW 12/25
Temperature Rise
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
POWER IN W
MIL-R-26
Char.V
MIL-R-26
Char.V
MIL-R-26
Char.V
MIL-R-26
Char.V
MIL-R-26
Char.V
120
100
80
60
40
20
0
- 55 50 150 250 350
AMBIENT TEMPERATURE IN
°
C
%
NI
R
E
W
E
O
P
D
E
T
A
R
Derating
MIL-R-26
Char.V
40