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PF2470 Series
TO-247 Power Film Resistors
• TO-247 Housing • Rated Power to 140 Watts • Resistances from 0.02 to 51K Ohms • High Stability Film Resistance Elements • Resistance Tolerance to ±1% • Low Inductance ( <50nH ) • Excellent Pulse Handling • Isolated Back Plate
SPECIFICATIONS
Type PF2473
Power Rating Heatsink1 Free Air2
140W
5W
Thermal Resistance
0.9°C/W
Resistance Range3 Min Max
Tolerances
Temperature Coefficients
0.02W
51KW
±1% ( R ≥0.10W ) ±5%
±50ppm/°C ( R≥10W ) ±100ppm/°C ( 0.1W ≤ R < 10W )
±250ppm/°C ( R < 0.1W )
PF2472
100W
3W
1.3°C/W
0.02W
51KW
±1% ( R ≥0.10W ) ±5%
±50ppm/°C ( R≥10W ) ±100ppm/°C ( 0.1W ≤ R < 10W )
±250ppm/°C ( R < 0.