Resistors 3W to 50W Planar Shock / Vibration Proof High Power Resistors BPR Series Non-Inductive planar package High p ower density. Thin p ackage for high densi ty PCB installation. Power dissipated above the board. Superior vibration durabilit y Applications Ideal for ex treme mechanically stressed environments. Power supply pre-load resistors. UPS systems Snubb er and pulse handling circuits. Pulse generator load resistors. In-rus h current protection Bleeder Resistors AllAll partsparts araree Pb-Pb-frfreeee andand ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amendedamended bbyy (EU)(EU) 2015/8632015/863 (R(RoHS3)oHS3) Specification, Dimensions and Materials Model BPR 3 BPR 5 BPR 7 BPR 10 BPR 30 BPR 50 .040.005 .005 1.020.13 Dim. A 0.13 0.50 0.50 1.00 1.00 2.10 2.10 Dim A 12.70 12.70 25.40 25.40 53.34 53.34 0.60 1.00 0.75 1.00 1.40 2.00 Dim B 15.24 25.40 19.05 25.40 35.56 50.80 .005 Dim. B .020 BPR Dim. C 0.13 0.51 0.67 1.07 0.82 1.07 1.47 2.07 Dim C 17.02 27.18 20.82 27.18 37.34 52.58 0.30 0.30 0.80 0.80 1.90 1.90 .200.020 Dim D 5.080.51 7.62 7.62 20.32 20.32 48.26 48.26 .020.005 0.510.13 .040.005 Lead: Tin Plated Copper Alloy 1.020.13 Substrate: 96% Alumina .015 .200.002 Dim. D 0.38 5.080.05 Resistor: Thick Film Notes: 1. Contact factor y for custom products, non-standard values and tolerances. Items Specification Conditions Power Rating 3W, 5W, 7W, 10W, 30W & 50W ambient temp 70C (3 - 7W), 50C (10 - 30W) & 25C (50W) Operating Voltage Max 300Vac, 500VDC Resistance Range BPR3-30: 0.1 to 200 k BPR50: 1 to 1 k Ex tended resistance range available. TCR 100 ppm/C For -55 to +155C and above 1 Tolerance +/-5%, optional 1%, 2% OperatiingTemp. Range -55 - +155 C Dielectric Withstand Voltage 5KV minimum Mechanical Shock R +/- 0.25 % 100G. Load Life R +/- 2.0 % 90 min. ON, 30 min.OFF, 1000 hours. Humidity R +/- 0.5 % 85C, 85% RH, DC 0.1W, 1000 hours. Temperature Cycle R +/- 0.5% -55C, 30 min.,+155C 30min., 5cycles. Solder Heat (Max) R +/- 0.25 % 250+/-5C, 10 seconds, Solderability Min 95% coverage 230+/-5C, 5 seconds. Insulation Resistance Over 1000 M Between terminals and metal back plate. Vibration R +/- 0.25 % 20G, 10Hz to 2 KHz. General Note BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors TT Electronics plc 06.183W to 50W Planar Shock / Vibration 3W to 50W Planar Shock / Vibration Proof High Power Resistors Proof High Power Resistors BPR Series BPR Series Derating Cur ve Derating Cur ve Derating Curve Derating Curve Derating Curve Ordering Procedure Ordering Procedure Ordering Information Example: BPR10500F (BPR10, 50 ohms 1%, Pb-free) Example: BPR10500F (BPR10, 50 ohms 1%, Pb-free) B P R 1 0 5 0 0 F B P R 1 0 5 0 0 F 1 2 3 1 2 3 1 2 3 1 2 3 Type Value Tolerance Type Value Tolerance BPR3 F = 1% 2 digits + multiplier BPR3 F = 1% 2 digits + multiplier BPR5 xRx for values <10 ohms G = 2% BPR5 xRx for values <10 ohms G = 0R2%x xx for values <1 ohm BPR7 J = 5% 0Rxxx for values <1 ohm BPR7 J = 5% BPR10 BPR10 BPR30 BPR30 BPR50 BPR50 General Note General Note BI Technologies IRC Welwyn BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors www.ttelectronics.com/resistors TT Electronics plc TT Electronics plc 06.18 03.17