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B43750A5138M000 Datasheet(PDF) 7 Page - EPCOS |
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B43750A5138M000 Datasheet(HTML) 7 Page - EPCOS |
7 / 9 page 164 10/02 Max. Ripple Current – 105 °C B43750 / B43770 Useful life depending on temperature TA,TB,TT+B under ripple current operating conditions1) Depending on the application, interpret the graph as follows: 1. Natural cooling Use rated current I~R and ambient temperature TA. 2. Cooling of base Use rated current I~R (B) and temperature of capacitor base TB. 3. Cooling of terminals and base Use rated current I~R (T+B) and temperature of capacitor base TT+B. Ensure that the temperature of the cooled terminals is lower than that of the case base. Due to the current load capability of the contact elements, the following current limits must not be exceeded, even if the frequency and temperature factors have been taken into account: Capacitor diameter Capacitor base cooling Terminal and capacitor base cooling 64,3 mm 62 A 75 A 76,9 mm 80 A 100 A 91,0 mm 80 A 100 A 0,5 0 40 50 60 70 3,5 2,0 1,5 1,0 2,5 3,0 5,0 A 80 T ; B T+B TT ; 90 100 110 KAL0566-3 C B43750/770 Ι R R Ι~ Ι~ Ι~ ; (B; T+B) ~ 1) Refer to page 40 for an explanation on how to interpret the useful life graphs. |
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