PR254 Series
  • PR254 Series

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PR254 Series

PR254

Very good ratio Power / Volume
Easy mounting and wiring with significant cost advantages.
Non inductive performance for high frequency applications.
One models for power applications up to 500W.
Suited to ULV94-V0 application.

 

Characteristics
Power rating: 250W (heatsink at 100°C)
Resistance range: From 1R0 to 1MOhm, E12 series
Tolerance (Code): Standard 10%, up to 1% on request
Temperature coefficient: ±100 ppm/°C
Maximum working voltage 5000 Vac
Working temperature range From -55°C to +155°C
Dielectric Strength: 7000 Vac (12000 Vac x PR254T)
Insulation resistance: > 105 MOhm at 500V
Creep distance: 42 mm (65 mm x PR250T)
Air gap distance: 16 mm (29mm x PR250T)
Partial discharge: < 10 pC @ 5000 Vac
Self inductance: 80 nH
Parallel capacitance: 40 pF
Capacitance to heatsink: < 120 pF
Overload : 4 Pn x 10 s
Thermal resistance: 0.15 °C/W
Heatsink flatness: 0.05 mm Max
Heatsink surface finish: 6.3 μm Max
Thermal grease: Required
 Max torque for contacts: 2Nm (static)
 Max torque for mounting: 2Nm (static)
 Weight: 125 g (155 g x PR254T)
Options: Cable terminals PR254C / PR254TC


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PR254

Very good ratio Power / Volume
Easy mounting and wiring with significant cost advantages.
Non inductive performance for high frequency applications.
One models for power applications up to 500W.
Suited to ULV94-V0 application.

 

Characteristics
Power rating: 250W (heatsink at 100°C)
Resistance range: From 1R0 to 1MOhm, E12 series
Tolerance (Code): Standard 10%, up to 1% on request
Temperature coefficient: ±100 ppm/°C
Maximum working voltage 5000 Vac
Working temperature range From -55°C to +155°C
Dielectric Strength: 7000 Vac (12000 Vac x PR254T)
Insulation resistance: > 105 MOhm at 500V
Creep distance: 42 mm (65 mm x PR250T)
Air gap distance: 16 mm (29mm x PR250T)
Partial discharge: < 10 pC @ 5000 Vac
Self inductance: 80 nH
Parallel capacitance: 40 pF
Capacitance to heatsink: < 120 pF
Overload : 4 Pn x 10 s
Thermal resistance: 0.15 °C/W
Heatsink flatness: 0.05 mm Max
Heatsink surface finish: 6.3 μm Max
Thermal grease: Required
 Max torque for contacts: 2Nm (static)
 Max torque for mounting: 2Nm (static)
 Weight: 125 g (155 g x PR254T)
Options: Cable terminals PR254C / PR254TC


Product Card - Download

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