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UR73D1ETTER10F Datasheet(PDF) 2 Page - KOA Speer Electronics, Inc. |
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UR73D1ETTER10F Datasheet(HTML) 2 Page - KOA Speer Electronics, Inc. |
2 / 2 page 37 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/08/09 UR73 current sensing chip resistor Absolute Maximum Working Voltage F (±1%) E-24, 25m Ω, 50mΩ Resistance Range Part Designation Maximum Overload Voltage (5 sec. max.) Operating Temperature Range Power Rating T.C.R. (ppm/°C) Max. applications and ratings UR732A UR732B 1/4W (.25W) ±100 47m - 100m Ω -55°C to +125°C √P*R x 2.5 √P*R Derating Curve environmental applications 100 80 60 40 20 -60 -40 -20 0 406080100140 70 20 Ambient Temperature (°C) 0 -55 120 125 Performance Characteristics PMS 300 neg. Black neg. ±250 ±100 ±200 1/4W (.25W) 1/2W (.5W)* 33m - 43m Ω 47m - 100m Ω 30m - 43m Ω UR73D1J UR73D2A 1/5W (.2W) ±100 47m - 100m Ω ±200 ±250 ±200 1/4W (.25W) 30m - 43m Ω 10m - 30m Ω 10m - 27m Ω UR73D2B 1/2W (.5W) ±300 10m - 27m Ω UR73D2H ±250 ±100 3/4W (.75W) 10m - 30m Ω 33m - 100m Ω UR73D3A ±250 ±100 1W (1W) 10m - 30m Ω 33m - 100m Ω Surface Temperature Rise 100 75 25 50 100 % Rated Power 2B (.25W) (2) 2B (.5W) (2) 0 0 25 75 2B (.5W) (1) 2A (2) 2B (.25W) (1) 2A (1) 50 100 75 25 50 100 % Power Rating 1J (2) 2B (2) 0 0 25 75 2B (1) 1J (1) 2A (2) 2A (1) 50 3A (2) 3A (1) 1E (1) 1E (2) 2H (1) 2H (2) UR73 2A/2B 33m Ω UR73D 1J, 2A, 2B, 2H,3A 10m Ω UR73D 1E 24m Ω 2 1 2 1 * Please contact factory for Power Rating UR73D1E 1/8W (.125W) ±100 30m - 100m Ω ±500 24m - 27m Ω Parameter Requirement ∆ R Limit Typical Test Method Resistance T.C.R. 25°C +25°C/+55°C and +25°C/+125°C Within specified tolerance Within specified T.C.R. — — Resistance to Solder Heat 260°C ± 5°C, 10 ± 1 second ±1% ±0.3% Overload (Short time) Rated power x 2.5 for 5 seconds ±2% ±0.5% Rapid Change of Temperature -55°C (30 minutes), +125°C (30 minutes), 100 cycles ±1% ±0.5% Moisture Resistance 40°C ± 2°C, 90%~95%RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle ±2% ±1% Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle ±2% ±1% High Temperature Exposure +125°C, 1000 hours ±1% ±0.3% 1733 Reader's Spreads pg1-203:document 1/27/09 4:04 PM Page 35 |
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