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PF2270 Datasheet(PDF) 2 Page - Riedon Powertron |
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PF2270 Datasheet(HTML) 2 Page - Riedon Powertron |
2 / 2 page Riedon Inc. 300CypressAvenue AlhambraCA91801 (626)284-9901 (626)284-1704 www.riedon.com 12/10a PF2270 Series ThinFilmPowerResistors PowerRatingNotes- ThePF2270SeriesFoilResistorsmustbeattachedtoasuitable heatsink.Themaximuminternalresistortemperatureis155°C. Tospecifyanappropriateheatsinkusethefollowingformula: R θH=TMAX-(PxRθR)-TA P Where: R θH=ThermalResistanceofHeatsink(K/W) R θR=ThermalResistanceofResistor(K/W) T MAX=MaximumTemperatureofResistor T A=AmbientTemperatureofHeatsink(°C) P=PowerThroughResistor(W) SPECIFICATIONS (continued) 0 25 50 75 100 125 150 175 200 0 20 40 60 80 100 120 AmbientTemperature(°C) PowerDeratingCurve 1 4 3 2 Style X 1 4 3 2 Style Y 1 4 3 2 Style Z Available Terminal Styles Note:StyleZisnotatrue4-terminalmeasurement Currentcanbeappliedtoanypins Standard |
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