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Welwyn Electronics Park Bedlington, Northumberland
Cramlington, England-NE227AA, United Kingdom+(44)-1670-822181
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Aluminium Housed Wirewound Resistors

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· High power dissipation up to 300W
· All welded construction
· Suitable for severe environments
· Designed for excellent thermal conductivity to heatsink
· Spade terminal option
· RoHS compliant
Electrical Data
WH5 WH10 WH25 WH50 Notes
Power rating at 25°C watts 10 15 25 2 50 1, 2 On standard heatsink
Resistance range ohms 0R01 to 10K 0R01 to 20K 0R01 to 44K 0R015 to 120K
TCR (-55° to 200°C) ppm/°C <10R: ±75 ≥10R to <100R: ±50 ≥100R: ±25
Resistance tolerance % 1(F), 2(G), 5(J) and 10(K)
Low value limits ohms 1R at 1% 0R5 at 2% 0R05 at 5% 0R01 at 10% WH50 0R015 at 10%
Isolation voltage volts 1500 1500 3000 3000 DC or AC peak

Aluminium Housed Wirewound Resistors

FOB Price : Get Price

High power dissipation up to 300W
· All welded construction
· Suitable for severe environments
· Designed for excellent thermal conductivity to heatsink
· Spade terminal option
· RoHS compliant
Electrical Data
WH5 WH10 WH25 WH50 Notes
Power rating at 25°C watts 10 15 25 2 50 1, 2 On standard heatsink
Resistance range ohms 0R01 to 10K 0R01 to 20K 0R01 to 44K 0R015 to 120K
TCR (-55° to 200°C) ppm/°C <10R: ±75 ≥10R to <100R: ±50 ≥100R: ±25
Resistance tolerance % 1(F), 2(G), 5(J) and 10(K)
Low value limits ohms 1R at 1% 0R5 at 2% 0R05 at 5% 0R01 at 10% WH50 0R015 at 10%
Isolation voltage volts 1500 1500 3000 3000 DC or AC peak

Aluminium Housed Wirewound Resistors

FOB Price : Get Price

· High power dissipation up to 300W
· All welded construction
· Suitable for severe environments
· Designed for excellent thermal conductivity to heatsink
· Spade terminal option
· RoHS compliant

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