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| FHR 4-2820H SpecialResistors * * * * * * Resistances from 0.001Ohm to 0.01Ohms Power Rating to 10Watt Resistance Tolerances to 1% TCR to 30ppm/K Load Stability to 0.5% Customized Resistance Values SPECIFICATIONS Type ResistanceRange Powerrating freeair70C withheatsink Tolerances ThermalResistance Stability Temerature Coefficient InsolationResistance max.Current ThermalEMF OperatingTemperatureRange ResistorMaterial Substrate ConnectorMaterial Terminals FHR 4-2820H 0.001to0.01Ohms Othervaluesuponrequest 3W 10W 1%/5% Othertolerancesuponrequest 8.0K/W 0.5% 30ppm/K(20to60C) 50VDC 100A <0.1V/K -40to130C CuNiMn-Foil anodizedaluminium Cu/tinned 4 Ordering Information PartNumber-Resistance-Tolerance FHR4-2820H0.01Ohms1% Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom. http://www.willow.co.uk + 44 (0) 1342 835234 + 44 (0) 1342 834306 info@willow.co.uk rev.03/2006A FHR 4-2820H SpecialResistors SPECIFICATIONS (continued) Temperature Coefficient 4000 2000 +15ppm/K R/R (ppm) 0 -15ppm/K Limit 2 (3) Nominal R/R Limit 1 (3) -2000 -4000 -6000 -8000 -40 -20 0 20 40 60 80 100 120 140 Temperature(C) withoutheatsink Power(%from nominalpower) 120 100 80 60 40 20 0 25 50 70 85 100 115 130 Derating Power(%from nominalpower) 120 100 80 60 40 20 0 25 50 withheatsink 85 100 115 130 AmbientTemperature(C) Temperatureofthebackplate(C) Dimensions Dimension A B C D E F G H I J K L M N O P mm 8.50 25.75 2.00 5.08 0.80 3.00 1.30 5.08 2.60 3.00 1.90 5.08 3.60 20.00 18.84 27.50 tol. (mm) 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 inches 0.33 1.01 0.08 0.20 0.03 0.12 0.05 0.20 0.10 0.12 0.07 0.20 0.14 0.79 0.74 1.08 tol. (inches) 0.008 0.008 0.008 0.004 0.004 0.004 0.004 0.004 0.004 0.004 0.004 0.004 0.004 0.008 0.008 0.008 Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom. http://www.willow.co.uk + 44 (0) 1342 835234 + 44 (0) 1342 834306 info@willow.co.uk rev.03/2006A |
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