Z300, Vishay draloric, Axial cemented wirewound resistors – C&H Technology Z300 User Manual
Page 5: Temperature rise, Derating, Performance
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Document Number: 21007
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www.vishay.com
Revision: 17-Apr-07
109
Z300
Axial Cemented Wirewound Resistors
Vishay Draloric
300
200
100
0 0
0.4
0.8
1.2
1.6
2.0
Z301
POWER IN W
Temperature Rise
TEMPERA
TURE RISE IN
°C
ZDA 1
041
Derating
0
20
40
60
80
100
120
AMBIENT TEMPERATURE IN
°C
40
RA
TED POWER IN
%
- 55
50
150
250
350
Temperature Rise
300
200
100
0
0 1 2 3 4 5
Z302
POWER IN W
TEMPERA
TURE RISE IN
°C
Z303
TEMPERA
TURE RISE IN
°C
Temperature Rise
300
200
100
0
0
2
4
6
8
10
Z307
Z306
POWER IN W
Z305
PERFORMANCE
TEST
TEST RESULTS
Damp Heat, Steady State 56 days
± 3 %
ΔR
Climatic Sequence
± 3 %
ΔR
Load Life 5000 h
± 3 %
ΔR
Short Time Overload, 5 x rated power x 5 sec
± 1 %
ΔR
Vibration
± 1 %
ΔR
Shock
± 1 %
ΔR
Resistance to Soldering Heat
± 1 %
ΔR
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