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PF2473

Riedon
Part Number PF2473
Manufacturer Riedon
Description TO-247 Power Film Resistors
Published Oct 30, 2019
Detailed Description PF2470 Series TO-247 Power Film Resistors • TO-247 Housing • Rated Power to 140 Watts • Resistances from 0.02 to 51K...
Datasheet PDF File PF2473 PDF File

PF2473
PF2473

Overview
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 Avenue Alhambra CA 91801 (626) 284-9901 www.
riedon.
com sales@riedon.
com (626) 284-1704 Revised: 201901_003 PF2470 Series TO-247 Power Film Resistors SPECIFICATIONS (continued) Power Derating % Power 100 +25 °C 80 60 40 20 +175 °C 0 -50 0 50 100 150 Flange Temperature (C) 200 Power Rating Notes - The PF2470 Series Thin Film Resistors must be attached to a suitable heatsink.
The maximum internal resistor temperature is 175°C.
To specify an appropriate heatsink use the following for...


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