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| UR73 resistors current sensing chip resistor EU features * * * * * * Very low resistance, high precision reliability Suitable for reflow and flow soldering Utilization of thick film Low T.C.R. achieved (100 ppm/C) Marking: Indigo body color with white marking Products with lead-free terminations meet EU RoHS requirements dimensions and construction UR73 a L a Size Code D1E Resistance Range 24m ~ 100m L Dimensions inches (mm) W h a b .039 +.004 .020 +.004 -.002 -.002 +0.1 (1.0 -0.05) W .016.002 .010.004 .012.004 +0.1 (0.5 -0.05) (0.40.05) (0.250.1) (0.30.1) h b Protective Coating Resistive Inner Film Electrode Ni Plating D1J .022.004 +.005 10m ~ 27m .063.008 .031 -.004 .02.004 .014.004 (0.550.1) +0.15) (0.50.1) (0.350.1) .014.004 30m ~ 100m (1.60.2) (0.8 -0.1 (0.350.1) 10m ~ 16m .079.008 .049.008 .022.004 .016.008 18m ~ 30m (2.00.2) (1.250.2) (0.550.1) (0.40.2) .024.008 (0.60.2) .02.008 (0.50.2) D2A Ceramic Substrate UR73D a L 2A a D2B 33m ~ 100m .079.008 .049.008 .02.004 .016.008 .012 +.008 -.004 (0.3 +0.2) -0.1 (2.00.2) (1.250.2) (0.550.1) (0.40.2) W Solder Plating Ni Plating b Resistive Film Ceramic Protective Substrate Coating Inner Electrode .039.008 10m ~ 16m .126.008 .063.008 .024.004 .020.008 (1.00.2) 18m ~ 27m (3.20.2) (1.60.2) (0.60.1) (0.50.2) .031.008 (0.80.2) 30m ~ 100m .126.008 .063.008 .024.004 .020.012 2B .016 +.008 -.004 (0.4 +0.2) -0.1 h (3.20.2) (1.60.2) (0.60.1) (0.50.3) D2H .063.012 10m ~ 30m .197.008 .098.008 .026.004 .026.012 (1.60.3) 33m ~ 100m (5.00.2) (2.50.2) (0.650.1) (0.650.3) .026.012 (0.650.3) .079.012 10m ~ 30m .248.008 .122.008 .024.004 .031.012 (2.00.3) 33m ~ 100m (6.30.2) (3.10.2) (0.60.1) (0.80.3) .031.012 (0.80.3) D3A ordering information New Part # UR73 Type UR73 UR73D 2A Power Rating 1E: 0.125W 1J: 0.2W 2A: 0.25W 2B: 0.5W 2H: 0.75W 3A: 1W T Termination Material T: Sn TD Packaging TP: 2mm pitch punch paper (1E) TD: 7" punched paper tape (1J, 2A, 2B) TE: 7" embossed plastic (2H, 3A) R10 Nominal Resistance All values less than 0.1 (100m) are expressed in m with "L" as decimal. Ex: 20m = 20L0 F Tolerance 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. 12/16/08 36 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com UR73 current sensing chip resistor applications and ratings Part Designation UNDER DEVLOP. resistors Power Rating T.C.R. (ppm/C) Max. 100 500 100 200 300 250 100 250 200 100 200 250 100 250 100 Resistance Range F (1%) E-24, 25m, 50m 30m - 100m 24m - 27m 47m - 100m 30m - 43m 10m - 27m 10m - 30m 47m - 100m 33m - 43m 10m - 27m 47m - 100m 30m - 43m 10m - 30m 33m - 100m 10m - 30m 33m - 100m Absolute Maximum Working Voltage Maximum Overload Voltage (5 sec. max.) Operating Temperature Range UR73D1E 1/8W (.125W) UR73D1J UR73D2A UR732A UR73D2B UR732B UR73D2H UR73D3A 1/5W (.2W) 1/4W (.25W) 1/4W (.25W) 1/2W (.5W) 1/4W (.25W) 1/2W (.5W)* 3/4W (.75W) 1W (1W) P*R P*R x 2.5 -55C to +125C * Please contact factory for Power Rating environmental applications Derating Curve 100 80 % Rated Power Surface Temperature Rise UR73 2A/2B 33m 100 UR73D 1J, 2A, 2B, 2H,3A 10m UR73D 1E 24m 100 3A (1) 2H (1) Temperature Rise (C) Temperature Rise (C) 60 40 20 0 -60 -40 -55 75 2B (.5W) (1) 2B (.5W) (2) 2A (1) 2A (2) 2B (.25W) (1) 2B (.25W) (2) 75 3A (2) 2H (2) 2B (1) 50 50 25 25 2B (2) 2A (1) 1J (1) 1E (1) 2A (2) 1J (2) 1E (2) -20 0 80 70 Ambient Temperature (C) 20 40 60 100 120 140 125 0 0 25 50 75 100 0 0 25 50 75 100 % Rated Power 1 2 % Power Rating 1 2 Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C High Temperature Exposure Requirement R Limit Typical Within specified -- tolerance Within specified -- T.C.R. 2% 0.5% 1% 1% 2% 2% 1% 0.3% 0.5% 1% 1% 0.3% Test Method 25C +25C/+55C and +25C/+125C Rated power x 2.5 for 5 seconds 260C 5C, 10 1 second -55C (30 minutes), +125C (30 minutes), 100 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 +125C, 1000 hours 1/08/09 Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 37 |
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