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LR72ADTE Datasheet(PDF) 2 Page - KOA Speer Electronics, Inc. |
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LR72ADTE Datasheet(HTML) 2 Page - KOA Speer Electronics, Inc. |
2 / 2 page 43 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. 12/16/08 LR72A, B, C metal plate current sense resistors Standard Resistance Part Designation Rated Ambient Temperature Operating Temperature Range Power Rating T.C.R. (ppm/°C) Max. applications and ratings LR72A LR72B LR72C 1/2W @ 25°C 1/4W @ 25°C 1W @ 70°C ±100 ±350 2m Ω~8mΩ 2m Ω, 3mΩ 3m Ω ~ 5mΩ +70°C +85°C -40°C to +180°C Resistance Tolerance J: ±5% Derating Curve environmental applications 100 80 60 40 20 -40 0 4080120 Ambient Temperature (°C) 0 70 160 180 200 155 85 LR72C LR72A, 72B Performance Characteristics Parameter Resistance Within regulated tolerance T.C.R. Room temperature/100°C up, LR72C: Room temperature/25°C ~ 200°C 25°C Within specified T.C.R. Resistance to Solder Heat 350°C ± 10°C, 3 seconds; LR72C: 260°C ± 5°C, 10 seconds ±2.0% Requirement Test Method (JIS C 5202) Load Life Rating voltage, 70°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle ±5.0% (A & B), ±3% (C) Moisture Resistance Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle ±5.0% PMS 300 neg. Black neg. -40°C to +155°C 1733 Reader's Spreads pg1-203:document 1/27/09 4:04 PM Page 41 |
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