Owner manual
Document Number: 21007 For technical questions, contact: ww1resistors@vishay.com
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
TEMPERATURE RISE IN °C
ZDA 1041
Derating
0
20
40
60
80
100
120
AMBIENT TEMPERATURE IN °C
40
RATED POWER IN %
- 55
50
150 250 350
Temperature Rise
300
200
100
0
0 1 2 3 4 5
Z302
POWER IN W
TEMPERATURE RISE IN °C
Z303
TEMPERATURE 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