resistors NPR 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 Marking: Black body color with teal marking Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resister element and glass. dimensions and construction L Dimensions inches (mm) Size Code L W t a b c W b .295.02 .177.012 .079.012 .098.012 .051.012 .055.012 NPR1 (7.50.5) (4.50.3) (2.00.3) (2.50.3) (1.30.3) (1.40.3) t Electrode .472.02 .315.012 .157.02 .157.012 .118.02 .059.02 NPR2 (12.00.5) (8.00.3) (4.00.5) (4.00.3) (3.00.5) (1.50.5) a c Molded Resistive c Resin Element ordering information New Part NPR 1 T TE 100 J Power Termination Nominal Type Packaging Tolerance Rating Material Resistance 1 T: Sn TE: Embossed 1%: 3 significant figures + 1 multiplier F: 1% plastic 2 (Other termination R indicates decimal point <100 J: 5% (1,000 pieces/reel) styles may be 5%, 10%: 2 significant figures + 1 K: 10% available, please multiplier contact factory R indicates decimal point <10 for options) All values <0.1 regardless of tolerance use L as decimal Ex: 91m = 91L 3.9m = 3L9 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. 1/17/13 52 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 Absolute Absolute Resistance Range T.C.R. Rated Operating Part Power Maximum Maximum E-24 (ppm/C) Ambient Temperature Designation Rating Working Overload Max. Temperature Range (F1%) (J5%) (K10%) Voltage Voltage -55C NPR1 1W 350V 700V 100: R0.1 0.1 - 10M 10m - 22M 3.9m - 9.1m +70C to 200: R<0.1 NPR2 2W 500V 1000V +180C environmental applications Derating Curve Surface Temperature Rise 100 150 NPR2 1 NPR1 1 80 1 Hot 2 Solder 2 NPR2 Spot Joint 100 NPR1 2 60 40 50 20 0 0 -60 -40 -20 0 20 40 60801001120 140 160 80 0 25 50 75 100 -55 70 Ambient Temperature % Rated Power (C) For resistors operated at an ambient temperature of 70C Regarding the temperature rise, the value of the temperature varies or above, a power rating shall be derated in accordance per conditions and board for use since the temperature is measured with the above derating curve. under our measuring conditions. Performance Characteristics Requirement R % Parameter Limit Typical Test Method Within regulated Resistance 25C tolerance Within specified T.C.R. +25C/+125C T.C.R. Overload 1.0% 1.0% Rated voltage x 2.5 for 5 seconds Resistance to Solder Heat 1.0% 1.0% 260C 5C, 10 seconds 1 second Rapid Change of Temperature 1.0% 1.0% -40C (30 minutes), +155C (30 minutes), 5 cycles Moisture Resistance 2.0% 1.5% 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Endurance at 70C 2.0% 0.5% 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle Low Temperature Operation 0.5% 0.25% -55C, 1 hour Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/17/12 KOA Speer Electronics, Inc. 199 Bolivar Drive Bradford, PA 16701 USA 814-362-5536 Fax: 814-362-8883 www.koaspeer.com 53 % Rated Power Temperature Rise (C) resistors