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Solutions for passive, thermal and protection      Short lead times     French distributor

PF2270 Series


Thin Film Power Resistor

Features

  • Resistances from 0.1 Ohm to 1M Ohms
  • Power Rating to 600 Watts
  • Resistance Tolerances to ±1%
  • TCR to ±100ppm/K
  • TO-227 (TO-238)Housing
  • Isolated Mounting Plate
Data chart

Type PF2272 PF2274 PF2276
Power Rating (with heatsink) 200W 300W 600W
Resistance Range 0.1 to 1M 50 to 1K Ohms
Resistance Values E12 (Plus 2 Ohm and 5 Ohm)
Thermal Resistance 0.35 °C/W 0.32 °C/W 0.11 °C/W
Tolerances 5% (1% optional)
Temperature Coefficient ±100 ppm/°C
Operating Temperature -55°C to 155°C
Inductance 14 nH
Max Continous Voltage √P*R
Max Current 55A
Isolation Voltage 2500VAC
Load Life1 ±1%
Humidity2 ±1%
Temp. Cycle3 ±1%
Vibration4 ±1%
Insulation Resistance >1000M Ohm
Recommended Mounting Torques Terminals: 0.6 Nm Backplate: 1.0 Nm


1) (25°C, 90m ON, 30m OFF, 1000hr)
2) (40°C, 90-95% RH, DC0.1W, 1000hr)
3) (-55°C, 30m, 120°C 30m, 20X)
4) (0.75mm, 100m/s2, 10-54Hz, 10X, XYZ)
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