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| KPR KPN 2/4-T227 KHR KHN 2/4-T227 PowerResistors * * * * * Resistances from 0.05Ohm to 5MOhms Power Rating to 200Watt Resistance Tolerances to 1% TCR to 50ppm/K TO-227 (TO-238) Housing SPECIFICATIONS Type ResistanceRange Powerratingwithheatsink ThermalResistanceRthj-c Tolerances from0.05Ohms from0.1Ohms Stability Temperature Coefficient 0.05to0.099Ohms 0.1to5MOhms VoltageProof Inductivity Capacity Max.Voltage dependingonresistancevalue 100W 0.7K/W 2%/5%/10% 1%/2%/5%/10% 1% 300ppm/K 100ppm/K uponrequest50ppm/K 2.5kVDC 50 nH 35 pF KPR 2/4-T227 KPN 2-T227 0.05Ohmsto5MOhms KHR 2/4-T227 KHN 2-T227 200W 0.35K/W 10000 max. working voltage (VDC) 1000 100 10 1 10 Ohm OperatingTemperatureRange ResistorMaterial Substrate Housing ConnectorMaterial Terminals Max.Torque backplate terminals 100 Ohm 1 kOhm 5 kOhm 10 kOhm 100 kOhm -55to155C Thick Film Al2O3 EpoxyorPlastic Cutinned 2or4 1.5Nm 1.3Nm Ordering Information PartNumber-Resistance-Tolerance KHR 2-T227 10 Ohms 5% Riedon Inc. 300CypressAvenue AlhambraCA91801 www.riedon.com (626)284-9901 (626)284-1704 Page62 rev.03/2006A KPRKPN 2/4-T227 KHR KHN2/4-T227 PowerResistors SPECIFICATIONS (continued) Temperature Coefficient 100ppm/K 7000 R/R (ppm) 50ppm/K 2000 -3000 -8000 -50 -25 0 Temperature(C) 25 50 75 100 125 Derating 120 100 PowerRatingNotes- Power ( % from nominal power) 80 60 40 20 0 50 75 85 100 115 130 145 155 Temperature of the backplate (C) The KPR / KPN / KHR / KHN Series Resistors must be attached toasuitableheatsink.Themaximuminternalresistortemperatureis155C. Tospecifyanappropriateheatsinkusethefollowingformula: RqH=TMAX-(PxRqR)-TA P Where: RqH = Thermal Resistance of Heatsink ( K/W ) RqR=ThermalResistanceofResistor(K/W) TMAX=MaximumTemperatureofResistor TA = Ambient Temperature of Heatsink ( C ) P=PowerThroughResistor(W) PulseStability 10kJ 3kJ 1kJ 300J Pulse Energy 100J 30J 10J 3J 1J 0,3J 0,1J 01 02 05 0, 00 0 0, 00 0 00 00 00 0, 0, 0, 0, 0, 0, 10 0 rev.03/2006A 1 2 2 5 5 10 20 0, 0, Pulse time (s) Riedon Inc. 300CypressAvenue AlhambraCA91801 www.riedon.com 0, (626)284-9901 (626)284-1704 Page63 50 1 2 5 1 2 5 KPRKPN 2/4-T227 KHR KHN2/4-T227 PowerResistors SPECIFICATIONS (continued) DimensionsandAttachmentVariations Dimension A B C D E F G H I J K L M N O mm 26 38 12.7 4 30 15 4.1 10 8 4 2 0.8 M4 10 11.9 0.2 0.2 tol. (mm) 0.5 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 inches 1.02 1.50 0.50 0.16 1.18 0.59 0.16 0.39 0.31 0.16 0.08 0.03 M4 0.39 0.47 0.008 0.008 tol. (inches) 0.020 0.020 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.008 0.004 KPR/KHR 2-T227 KPR/KHR 4-T227 KPN/KHN 2-T227 KPR/KHR 2-T227 dia1 KPR/KHR 2-T227 dia2 Riedon Inc. 300CypressAvenue AlhambraCA91801 www.riedon.com (626)284-9901 (626)284-1704 Page64 rev.03/2006A |
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