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| CSR resistors four-terminal current sense resistor EU features * * * * * Extremely low resistance and high precision tolerance Low T.C.R. achieved (50ppm/C) Flameproof UL94V0 Marking: Black body color with white marking Products with lead-free terminations meet EU RoHS and China RoHS requirements dimensions and construction Size Code CSR1 CSR2 L .425.02 (10.80.5) .504.02 (12.80.5) W .244.012 (6.20.3) .323.012 (8.20.3) t .083.008 (2.10.2) .122.008 (3.10.2) a .118.012 (3.00.3) .197.012 (5.00.3) Dimensions inches (mm) b c d .031.008 (0.80.2) .039.008 (1.00.2) .055.02 (1.40.5) .079.02 (2.00.5) .047.02 (1.20.5) .079.02 (2.00.5) e .051.012 (1.30.3) .087.012 (2.20.3) f .051.012 (1.30.3) .087.012 (2.20.3) g .197.004 (5.00.1) .236.004 (6.00.1) h .098.004 (2.50.1) .118.004 (3.00.1) Voltage Electrode Molded Resistive Resin Element L W Current Electrode e t c f b d g h c a ordering information New Part # CSR Type 1 Power Rating 1: 1W 2: 2W T Termination Material T: Sn (Other termination styles may be available, please contact factory for options) TE Packaging CSR1TED: 10" embossed tape CSR2TEB: 13" embossed plastic (CSR1: 10" 12mm pitch) (all sizes -1,000 pieces/reel) 10L0 Nominal Resistance In milliohms: 3 significant figures "L" indicates decimal point F Tolerance D: 0.5% F: 1% For further information on packaging, please refer to Appendix A. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/31/08 46 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com CSR four-terminal current sense resistor typical circuit schematic Input Detecting Circuit resistors C S R Voltage Terminal (KELVIN terminal) Current Terminal Output applications and ratings Part Designation CSR1 CSR2 Power Rating 1W 2W T.C.R. (ppm/C) Max. 50 Resistance Range E-12 5m - 50m Resistance Tolerance D: 0.5%,F: 1% F: 1% Dielectric Withstanding Voltage 500V Rated Ambient Temperature +70C Operating Temperature Range -55C to +125C environmental applications Derating Curve 100 80 % Rated Power 60 40 20 0 -60 -40 -55 Surface Temperature Rise 125 CSR2 Temperature Rise (C) 100 75 50 25 0 CSR1 -20 0 20 40 60 80 70 Ambient Temperature (C) 100 120 140 125 0 25 50 75 100 % Rated Power Performance Characteristics Parameter Resistance T.C.R. Overload Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C Low Temperature Operation High Temperature Exposure Requirement R Limit Typical Within regulated -- tolerance Within specified -- T.C.R. 1.0% 1.0% 1.0% 1.0% 1.0% 0.5% 2.0% 0.5% 1.0% 0.5% 0.5% 0.25% 0.5% 0.25% Test Method 25C +25C/+125C Rated power x 5 for 5 seconds 260C 5C, 10 seconds 1 second -55C (30 minutes), +125C (30 minutes), 500 cycles 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle -55C, 1 hour +125C, 100 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/16/08 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 47 |
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