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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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FPR4-T227 Fiches technique(PDF) 2 Page - Riedon Powertron |
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FPR4-T227 Fiches technique(HTML) 2 Page - Riedon Powertron |
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2 / 2 page  Riedon Inc. 300CypressAvenue AlhambraCA91801 (626)284-9901 (626)284-1704 www.riedon.com Page44 rev.03/2006A FPRFNR2-T2274-T227 FoilPowerResistors Temperature Coefficient DeratingandStability DimensionsandAttachmentVariations PowerRatingNotes- TheFPR/FNRSeriesFoilResistorsmustbeattachedtoasuit- able heatsink. The maximum internal resistor temperature is 130°Cfora0.5%stabilitypart. 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) FPR/FNR2-T227 FPR/FNR4-T227 Dimension mm tol. (±mm) inches tol. (±inches) A 26 0.5 1.02 0.020 B 38 0.5 1.50 0.020 C 12.7 0.2 0.50 0.008 D 4 0.2 0.16 0.008 E 30 0.2 1.18 0.008 F 15 0.2 0.59 0.008 G 4.1 0.2 0.16 0.008 H 10 0.2 0.39 0.008 I 8 0.2 0.31 0.008 J 4 0.2 0.16 0.008 K 2 0.2 0.08 0.008 L 0.8 0.1 0.03 0.004 M M4 M4 N 10 0.2 0.39 0.008 O 11.9 0.2 0.47 0.008 0 20 40 60 80 100 120 25 50 85 100 115 130 Temperature of the backplate (°C) 0.1% 0.2% 0.5% -15ppm/K +15ppm/K Nominal ∆R/R Limit 2 (3σ) Limit 1 (3σ) Temperature(°C) 4000 2000 0 -2000 -4000 -6000 -8000 -20 0 -40 80 140 120 100 60 20 40 100 ResistanceValue(mOhm) 5 150 10 200 20 50 2 200 0 250 50 100 tableA |
Numéro de pièce similaire - FPR4-T227 |
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Description similaire - FPR4-T227 |
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