3W to 10W Planar High Power Resistors BPC Series * * * * * Non-Inductive planar package High power density. Thin package for high density PCB installation. Power dissipated above the board. RoHS compliant.Benefits Applications Power supply pre-load resistors. UPS systems Snubber and pulse handling circuits. Pulse generator load resistors. In-rush current protection Bleeder Resistors * * * * * * Specification (Dimensions) Model BPC3 BPC5 BPC7 BPC10 Dim A 0.40 10.16 0.50 12.70 0.75 19.05 1.00 25.40 Dim B 0.20 5.08 0.20 5.08 0.50 12.70 0.80 20.32 Materials Dim. A .015 .100 2.54 .381 Maximum Overall Thickness Leads: Tin Plated Copper Alloy Substrate: 96% Alumina Resistor: Thick Film 1.000.015 25.4.381 1.090 Max. 27.686 .125+.0.25/-.000 3.175+.635/-.000 .075 1.905 .026 .670 Dim.B .010 .254 .050 1.27 .020.002 .508.050 .026 .660 .010.002 .254.050 Notes: 1. Contact factory for custom products, non-standard values and tolerances. Items Power Rating Specification 3W, 5W, 7.5W & 10W Operating Voltage Max 300Vac, 500VDC Resistance Range 0.1 to 200 K TCR Tolerance Operating Temp. Range Dielectric Withstand Voltage 100 ppm/C Conditions @ ambient temp < 70C Extended resistance range available. For -55 to +155C and above 1. 10, optional +/-5% , 1%, 2% -55 - +155 C 5000 Volts minimum Mechanical Shock R +/- 0.25 % 100G. Vibration R +/- 0.25 % 20G, 10 to 2KHz Load Life R +/- 2.0 % 70C, 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 % 260+/-5C, 10 seconds, Min 95% coverage 230+/-5C, 5 seconds. Solderability Insulation Resistance Over 1000 M General Note 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.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 03. 12 3W to 10W Planar High Power Resistors BPC Series Derating Curve Overload Characteristic % Rated Power 20 x Nominal Power Rating 70 C 100 80 60 Power 40 20 +155C 0 Nominal Power Rating Resistor Temperature (C) 0 Time Milliseconds 8 Ordering Information BPC 10 103 G Model Power Rating 3 : 3W 5 : 5W 7 : 7.5W 10 : 10W Tolerance K = 10% Tol J = 5% Tol G = 2% Tol F = 1% Tol Resistance Code Tolerance 0.1 : 0R100 10 K : 103 First two digits significant, last digit: number of trailing zeros General Note 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.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 03. 12