UR731ETTDR10F

1733 Reader's Spreads pg1-203:document 1/27/09 4:04 PM Page 34 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) (0.4±0.05) (0.25±0.1) (0.3±0.1) h b Protective Coating Resistive Inner Film Electrode Ni Plating D1J .022±.004 +.005 10m ~ 27m .063±.008 .031 -.004 .02±.004 .014±.004 (0.55±0.1) 30m ~ 100m (1.6±0.2) (0.8 +0.15) (0.5±0.1) (0.35±0.1) .014±.004 -0.1 (0.35±0.1) 10m ~ 16m .079±.008 .049±.008 .022±.004 .016±.008 18m ~ 30m (2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2) .024±.008 (0.6±0.2) .02±.008 (0.5±0.2) 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 (2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2) 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 (1.0±0.2) 18m ~ 27m (3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.2) .031±.008 (0.8±0.2) 30m ~ 100m .126±.008 .063±.008 .024±.004 .020±.012 2B .016 +.008 -.004 (0.4 +0.2) -0.1 h (3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.3) D2H .063±.012 10m ~ 30m .197±.008 .098±.008 .026±.004 .026±.012 (1.6±0.3) 33m ~ 100m (5.0±0.2) (2.5±0.2) (0.65±0.1) (0.65±0.3) .026±.012 (0.65±0.3) .079±.012 10m ~ 30m .248±.008 .122±.008 .024±.004 .031±.012 (2.0±0.3) 33m ~ 100m (6.3±0.2) (3.1±0.2) (0.6±0.1) (0.8±0.3) .031±.012 (0.8±0.3) 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 0.1Ω (100mΩ) are expressed in mΩ with “L” as decimal. Ex: 20mΩ = 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 1733 Reader's Spreads pg1-203:document 1/27/09 4:04 PM Page 35 PMS 300 neg. Black neg. 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, 25mΩ, 50mΩ 30m - 100mΩ 24m - 27mΩ 30m - 43mΩ 10m - 27mΩ Absolute Maximum Working Voltage Maximum Overload Voltage (5 sec. max.) Operating Temperature Range UR73D1E 1/8W (.125W) 47m - 100mΩ 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) 47m - 100mΩ 33m - 43mΩ 10m - 27mΩ 10m - 30mΩ √P*R √P*R x 2.5 47m - 100mΩ 30m - 43mΩ 10m - 30mΩ -55°C to +125°C 33m - 100mΩ 33m - 100mΩ 10m - 30mΩ * Please contact factory for Power Rating environmental applications Derating Curve 100 80 % Rated Power Surface Temperature Rise UR73 2A/2B 33mΩ 100 UR73D 1J, 2A, 2B, 2H,3A 10mΩ UR73D 1E 24mΩ 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 20 40 60 80 70 Ambient Temperature (°C) 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 70°C 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 25°C +25°C/+55°C and +25°C/+125°C Rated power x 2.5 for 5 seconds 260°C ± 5°C, 10 ± 1 second -55°C (30 minutes), +125°C (30 minutes), 100 cycles 40°C ± 2°C, 90%~95%RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle +125°C, 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