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KNP Fiches technique(PDF) 2 Page - Willow Technologies Ltd

No de pièce KNP
Description  WIREWOUND RESISTORS
PDF  2 Pages
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Fabricant  WILLOW [Willow Technologies Ltd]
Site Internet  http://www.willow.co.uk
Logo WILLOW - Willow Technologies Ltd

KNP Fiches technique(HTML) 2 Page - Willow Technologies Ltd

  KNP Datasheet HTML 1Page - Willow Technologies Ltd KNP Datasheet HTML 2Page - Willow Technologies Ltd  
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Characteristics
Condition
Spec.
Resistance Temp. Coeff.
Moisture-proof Load Life
Short Time Over Load
Rate Load
Voltage Durability
Insulation Resistance
Temp Cycle
Load Life
Incombustibility
-30°C ~ +200°C
5 times of rated wattage for 5 sec.
Rate watt 30 min.
500V AC 1 min.
500V megger
-30°C ~ 85°C 5 cycles
40°C 95% RH on-off cycle 500 hrs.
40°C 95% RH on-off cycle 500 hrs.
DERATING CURVE
TEMPERATURE RISE AT 25°C
Rated Load (%)
Ambient Temp (°C)
Rated Load (%)
Temperature Rise (°C)
100
80
60
40
20
0
-20 0
40
80
120
160
200
250
200
150
100
50
0
0
20
40
60
100
REV O
4/4/01
Subject to change without notice
6 times of rated wattage for 5 min.
PACKAGING:
PIECES PER REEL:
KNP 1/2W AND 1W
KNP 2W, 3W AND 5W
KNP 7W
2500
1000
500
± 300 ppm/°C
± 2%
± 1%
not changed
500 M
± 1%
± 5%
± 3%
not flamed

240
280
275°C
70°C
-30°C
80
120
1/2W
1W
2W
3W
5W
7W
10W
TAPE AND REEL
BULK:
KNP 8W AND 10W
100



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