PF2470

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 < 0.1W ) 1 Power rating based on 25°C Flange Temperature 2 Power rating based on 25°C Ambient Temperature 3 Consult Factory for Higher or Lower Values Specification Temperature Range Dielectric Strength Max. Operating Voltage Inductance Insulation Resistance Terminal Finish Mass Flammability Rating Environmental Performance Load Life Humidity Resistance Temperature Cycle Solder Heat Vibration Value -55°C to +175°C 2500 VAC 700 V or √P*R, whichever is less PF2472 11.7nH / PF2473 12.3nH >1000 Meg-Ohm Tin Plated Copper 6.3g 94-V0 DR Test Conditions ±1% + 0.05W ±1% + 0.05W ±0.25% + 0.05W ±0.1% + 0.05W ±0.25% + 0.05W 25°C, 90 min ON, 30 min OFF, 1000 hr 40°C, 90-95% RH, DC 0.1W, 1000 hr -55°C for 30 min, +155°C for 30 min, 1000 hr +350°C, 3s IEC60068-2-6 Riedon Inc. © Riedon, Inc. 300 Cypress Avenu...