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19829E3 数据表(PDF) 7 Page - Vishay Siliconix |
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19829E3 数据表(HTML) 7 Page - Vishay Siliconix |
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7 / 9 page ![]() 159 PUL-SI www.vishay.com Vishay BCcomponents Revision: 31-Jan-17 7 Document Number: 28341 For technical questions, contact: aluminumcaps2@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 RIPPLE CURRENT AND USEFUL LIFE Fig. 6 - Multiplier of useful life as a function of ambient temperature and ripple current load Table 3 Note • Multiplier of useful life code: MGA454 Table 4 ENDURANCE TEST DURATION AND USEFUL LIFE ENDURANCE AT 105 °C (h) USEFUL LIFE AT 105 °C (h) 2000 5000 MULTIPLIER OF RIPPLE CURRENT (IR) AS A FUNCTION OF FREQUENCY FREQUENCY (Hz) 50 100 120 200 1000 10 000 IR MULTIPLIER 0.90 0.95 1.00 1.15 1.30 1.40 1.3 1.2 1.1 1.0 0.8 0.5 0.0 40 50 60 70 80 90 T amb (°C) I A I R 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 (1) 2.4 2.5 2.6 2.7 100 110 life multiplier MGA454 I A = Actual ripple current at 120 Hz I R = Rated ripple current at 120 Hz and 105 °C (1) Useful life at 105 °C and I R applied: 5000 h |
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