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T7X474KT20 Datasheet(PDF) 3 Page - Vishay Siliconix |
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T7X474KT20 Datasheet(HTML) 3 Page - Vishay Siliconix |
3 / 5 page T7 www.vishay.com Vishay Sfernice Revision: 05-Aug-13 3 Document Number: 51015 For technical questions, contact: sferpottrimmers@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 PERFORMANCES TESTS CONDITIONS TYPICAL VALUES AND DRIFTS R T/RT (%) R 1-2/R1-2 (%) Load life 1000 h at rated power 90'/30' - ambient temperature 70 °C ± 3 % Contact resistance variation: < 3 % Rn ± 4 % Climatic sequence Phase A dry heat 100 °C ± 2 % ± 3 % Phase B damp heat Phase C cold - 55 °C Phase D damp heat 5 cycles Long term damp heat 56 days ± 2 % Dielectric strength: 1000 VRMS Insulation resistance: > 104 M ± 3 % Rapid temperature change 5 cycles - 55 °C at + 125 °C ± 1 % V 1-2/V1-3 ± 2 % Shock 50 g - 11 ms ± 0.5 % ± 1 % 3 successive shocks in 3 directions Vibration 10 Hz to 55 Hz 0.75 mm or 10 g during 6 h ± 0.5 % V 1-2/V1-3 ± 1 % Rotational life 200 cycles ± 3 % Contact resistance variation: < 3 % Rn STANDARD RESISTANCE ELEMENT DATA STANDARD RESISTANCE VALUES LINEAR LAW TYPICAL TCR - 55 °C to + 125 °C MAX. POWER AT 85 °C MAX. WORKING VOLTAGE MAX. WIPER CURRENT WV mA ppm/°C 10 0.5 2.2 224 ± 100 22 0.5 3.3 150 47 0.5 4.8 103 100 0.5 7.0 70 220 0.5 10.5 47 470 0.5 15.3 32 1K 0.5 22.4 22 2.2K 0.5 33.2 15 4.7K 0.5 48.5 10 10K 0.5 70.7 7.0 22K 0.5 105 4.8 47K 0.5 153 3.2 100K 0.5 224 2.2 220K 0.28 250 1.1 470K 0.13 250 1.53 1M 0.06 250 0.25 2.2M 0.028 250 0.11 MARKING • Vishay trademark •Model • YA or YB style • Ohmic value (in , k, M) • Manufacturing date •Marking of terminal: 3 |
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