Vishay draloric, Vitreous wirewound resistors with ferrules, Temperature rise – C&H Technology GWK User Manual
Page 4: Derating
GWK
Vishay Draloric
Vitreous Wirewound Resistors with Ferrules
www.vishay.com
For technical questions contact [email protected]
Document Number: 21006
94
Revision: 03-Jul-06
Temperature Rise
500
400
300
200
100
0
0 5 10 15 20 25
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 20
Temperature Rise
500
400
300
200
100
0
0 10 20 30 40 50
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 40
Derating
120
100
80
60
40
20
0
- 55 50 150 250 350
AMBIENT TEMPERATURE IN
°
C
%
NI
R
E
W
O
P
D
E
T
A
R
Temperature Rise
500
400
300
200
100
0
0 2 4 6 8 10
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 10
Temperature Rise
500
400
300
200
100
0
0 20 40 60 80 100
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 150
Temperature Rise
500
400
300
200
100
0
0 40 80 120 160 200
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 200
GWK 300
Temperature Rise
500
400
300
200
100
0
0 10 20 30 40 50
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 60
Temperature Rise
500
400
300
200
100
0
0 20 40 60 80 100
POWER IN W
NI
E
SI
R
E
R
U
T
A
R
E
P
M
E
T
°
C
GWK 100
40