MODEL BPC SERIES Noninductive Planar Thick Film Power Resistor Network STANDARD TYPES BPC 3 BPC 5 BPC 7 BPC 10 3 Watts 5 Watts 7.5 Watts 10 Watts FEATURES * High power density * Power is dissipated above circuit board * Low temperature solder * Board layout flexibility 5 APPLICATIONS * Inrush current limiters * Power supply preloads * Snubber circuits * UPS systems ELECTRICAL Resistance Range, Ohms BPC 3, BPC 5, BPC 7: 1 to 200K BPC 10: 3 to 200K 10% Optional: 1%, 2%, 5% (<10 Ohms = 2%, 5%) -55C to +125C 100ppm/C 3W, 5W, 7.5W, 10W 300 Vac, 500 Vdc 20 x rated current up to 8 ms (R 0.5%) Resistance Tolerances Operating Temperature Range Temperature Coefficient of Resistance, Maximum Power Ratings, Watts Operating Voltage, Maximum Peak Current Specifications subject to change without notice. 5-3 Model BPC Series MECHANICAL Lead Material Substrate Material Resistor Material Solder Tinned Copper Alloy 96% Alumina Ruthenium Oxide ENVIRONMENTAL (PER MIL-R-83401) R 0.50% R 0.25% R 0.25% 30G's, R 0.25% 10G's, 10 to 500 Hz R 0.25% R 0.25% R 0.25% R 1.00% R 0.25% 5,000 Vdc MIL-STD-202, Method 215 MIL-STD-202, Method 208 UL 94V-0 Rated -55C to +155C Thermal Shock Terminal Strength Moisture Resistance Mechanical Shock Vibration Low Temperature Storage High Temperature Exposure Load Life, 1,000 Hours Resistance to Solder Heat Dielectric Withstanding Voltage, Minimum Marking Permanency Lead Solderability Flammability Storage OVERLOAD CHARACTERISTICS POWER DERATING CURVE 20X Nominal Power Rating Percent of Rated Power 100 80 60 40 20 0 Power -0 70 155 Degrees C Nominal Power Rating 0 8 Time (milliseconds) 5-4 Model BPC Series OUTLINE DIMENSIONS (Inch/mm) Model Dim. A Dim. B BPC 3 BPC 5 BPC 7 0.40 0.50 0.75 1.00 10.16 12.70 19.05 25.40 0.20 0.20 0.50 0.80 5.08 5.08 12.70 20.32 BPC 10 .015 Dim. A .381 .100 2.54 Maximum Overall Thickness 1.000.015 25.4.381 1.090 Max. 27.686 .125+.025/-.000 3.175+.635/-.000 .050 1.27 .075 1.905 Dim. B .026 .670 .010.002 .254.050 .020.002 .508.050 .026 .660 5 .010 .254 STANDARD RESISTANCE VALUES (OHMS) Value Code 1 1R0 2 2R0 5 5R0 10 100 20 200 50 500 100 101 200 201 5-5 500 501 1K 102 2K 202 5K 502 10K 103 20K 203 50K 503 Model BPC Series PACKAGING Standard: 50 per tray ORDERING INFORMATION BPC 10 103 G Model Series Tolerance Code: F = 1% Tol. G = 2% Tol. J = 5% Tol. K = 10% Tol. Power Rating: 3 = 3 Watts 5 = 5 Watts 7 = 7.5 Watts 10 = 10 Watts Resistance Code: G, J & K Tolerances: First 2 digits are significant. Last digit denotes number of trailing zeros. F Tolerance: First 3 digits are significant. Last digit denotes number of trailing zeros. 5-6 Model BPC Series