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| 3W to 50W PLANAR SHOCK / VIBRATION PROOF HIGH POWER RESISTORS Features.................................................................. Non-Inductive planar package High power density. Thin package for high density PCB installation. Power dissipated above the board. RoHS compliant. Superior vibration durability . Applications...................................................... Ideal for extreme mechanically stressed environments. Power supply pre-load resistors. UPS systems Snubber and pulse handling circuits. Pulse generator load resistors. In-rush current protection Bleeder Resistors ......... Specification Dimensions (inch / mm) Dim. A .005 0.13 .040.005 1.020.13 Model Dim A Dim B Dim C Dim D BPR 3 0.50 12.70 0.60 15.24 0.67 17.02 0.30 7.62 BPR 5 0.50 12.70 1.00 25.40 1.07 27.18 0.30 7.62 BPR 7 1.00 25.40 0.75 19.05 0.82 20.82 0.80 20.32 BPR 10 BPR 20 BPR 30 1.00 2.00 2.10 25.40 50.80 53.34 1.00 1.00 1.40 25.40 25.40 35.56 1.07 1.07 1.47 27.18 27.18 37.34 0.80 1.80 1.90 20.32 45.72 48.26 BPR 40 BPR 50 2.10 2.10 53.34 53.34 1.90 2.20 48.26 55.88 1.97 2.27 50.04 57.66 1.90 1.90 48.26 48.26 Dim. B .005 0.13 BPR Dim. C .020 0.51 Materials Lead: Tin Plated Phosphor Bronze Substrate: 96% Alumina Resistor: Ruthenium Oxide .200.020 5.080.51 .020.005 0.510.13 Dim. D .015 0.38 .040.005 1.020.13 .200.002 5.080.05 Notes: 1. Contact factory for custom products, non-standard values and tolerances. Items Power Rating Operating Voltage Max Resistance Range TCR Tolerance Operation Temp. Range Dielectric Withstanding Voltage Mechanical Shock Load Life Humidity Temperature Cycle Soldering Heat (Max) Solderability Insulation Resistance Vibration Specification 3W, 5W, 7W, 10W, 20W, 30W, 40W & 50W, 300Vac, 500VDC 0.1 to 200 K 100 ppm/C +/-5%, optional 1%, 2% -55 - +155 C 5KV minimum R +/- 0.25 % R +/- 2.0 % R +/- 0.5 % R +/- 0.5% R +/- 0.25 % Min 95% coverage Over 1000 M R +/- 0.25 % 100G. 70C, 90 min. ON, 30 min.OFF, 1000 hours. 85C, 85% RH, DC 0.1W, 1000 hours. -55C, 30 min.,+155C 30min., 5cycles. 250+/-5C, 10 seconds, 230+/-5C, 5 seconds. Between terminals and metal back plate. 20G, 10Hz to 2 KHz. Specifications subject to change without notice Extended resistance range available. For -55 to +155C and above 1 Conditions @ ambient temp < 70C 1 BPR 3W to 50W PLANAR HIGH POWER RESISTORS Derating Curve % Power Rating 100 80 60 40 20 0 70C +155C Resistor Temperature (C) Ordering Information BPR 10 500 F Model Power Rating Code 3 : 3W, 5 : 5W 7 : 7W 10 : 10W 20 : 20W 30 : 30W 40 : 40W 50 : 50W Resistance Code 50 : 500 First two digits significant, last digit: number of trailing zeros Tolerance J = 5% Tol G = 2% Tol F = 1% Tol 2 |
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