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| NPR resistors surface mount molded current sense resistor EU features * * * * * * * Surface mount power resistors Flame retardant type (UL94V0) Current detecting resistors for power supplies, etc. Metal plate terminals Non-wirewound structure Marking: Black body color with teal marking Products with lead-free terminations meet EU RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC dimensions and construction L W b t c Molded Resistive Resin Element c a Electrode Size Code NPR1 NPR2 L W Dimensions inches (mm) t a b c .295.02 .177.012 .079.012 .098.012 .051.012 .055.012 (7.50.5) (4.50.3) (2.00.3) (2.50.3) (1.30.3) (1.40.3) .472.02 .315.012 .157.02 .157.012 .118.02 (12.00.5) (8.00.3) (4.00.5) (4.00.3) (3.00.5) .059.02 (1.50.5) ordering information New Part # NPR Type 1 Power Rating 1 2 T Termination Material T: Sn (Other termination styles may be available, please contact factory for options) TE Packaging NPR1- TE: 7" embossed plastic (1,000 pieces/reel) NPR2- TEB: 13" embossed plastic (1,000 pieces/reel) 100 Nominal Resistance 1%: 3 significant figures + 1 multiplier "R" indicates decimal point <100 5%, 10%: 2 significant figures + 1 multiplier "R" indicates decimal point <10 All values <0.1 regardless of tolerance use "L" as decimal Ex: 91m = 91L 3.9m = 3L9 J Tolerance F: 1% J: 5% K: 10% 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 44 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com NPR surface mount molded current sense resistor applications and ratings Part Designation NPR1 NPR2 Power Rating 1W 2W T.C.R. (ppm/C) Max. Resistance Range E-24 (F1%) (J5%) (K10%) Absolute Maximum Working Voltage 350V 500V Absolute Maximum Overload Voltage 700V 1000V Rated Operating Ambient Temperature Temperature Range +70C -55C to +180C resistors 100: R0.1 200: R<0.1 0.1 - 10M 10m - 22M 3.9m - 9.1m environmental applications Derating Curve 100 80 % Rated Power 60 40 20 0 -60 -40 -20 -55 Surface Temperature Rise 150 NPR2 1 NPR1 1 NPR2 2 NPR1 2 1 Hot Spot 2 Solder Joint Temperature Rise (C) 100 50 0 20 80 100 120 140 160 180 70 Ambient Temperature (C) 40 60 0 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 Requirement Limit Within regulated tolerance Within specified T.C.R. 1.0% 1.0% 1.0% 2.0% 2.0% 0.5% R Typical -- -- 1.0% 1.0% 1.0% 1.5% 0.5% 0.25% 25C +25C/+125C Rated voltage x 2.5 for 5 seconds 260C 5C, 10 seconds 1 second -40C (30 minutes), +155C (30 minutes), 5 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 Test Method 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 45 |
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