Capacitors with Screw Terminals B 43 456 Optimized range 85 C B 43 458 LL grade Compact high-voltage type For professional power supplies Construction l Charge-discharge proof, polar l Aluminum case with insulating sleeve l Poles with screw terminal connections l Mounting with ring clips, clamps or threaded stud l The bases of types with threaded stud and d 76,9 mm are B 43 458 B 43 456 not insulated, types with d = 91 mm have fully insulated bases Features l Very compact, i. e. high CU product l High reliability and ripple current capability l All-welded construction ensures reliable electrical contact l Type with optimized construction for base cooling upon request Applications l Professional power supplies l For switch-mode power supplies in industrial electronics Specifications and characteristics in brief Rated voltage U 350 to 450 V R Surge voltage U 1,10 U S R Rated capacitance C 1 000 to 18 000 m F R Capacitance tolerance 20 % M Useful life 40 C, U > 250 000 h (1,5 I~ ) R R,85 C 85 C, U , I~ > 12 000 h R R Failure percentage 1 % (during useful life) Failure rate 40 fit 9 ( 40 10 /h) Voltage endurance test 2 000 h, 85 C (at U ) R Leakage current I lka 0,7 C U R R (5 min, 20 C) I 0,3 m A -------- -------- + 4 m A lka m F V Self-inductance L approx. 20 nH ESL IEC climatic category in accordance with IEC 68-1 400 V: 40/085/56 (40 C/+85 C, 56 days damp heat test) 450 V: 25/085/56 (25 C/+85 C, 56 days damp heat test) 82 Siemens Matsushita ComponentsB 43 456 Optimized range B 43 458 Specifications and characteristics in brief Detail specifications similar to CECC 30 301-803, CECC 30 301-807 Sectional specification IEC 384-4 Vibration resistance in accordance with IEC 68-26, test Fc: displacement amplitude 0,75 mm, frequency range 10 to 55 Hz, acceleration max. 10 g, duration 3 2 h 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 51,6 mm 64,3 mm 76,9 mm 91,0 mm Maximum current 30 A 40 A 50 A 70 A Accessories The following items are included in the delivery package, but are not fastened to the capacitors: Thread Toothed Screws/Nuts Maximum washers torque For terminals M 5 A 5,1 DIN 6797 Cylinder-head screw M 5 8 DIN 84-4.8 2 Nm M 6 A 6,4 DIN 6797 Cylinder-head screw M 6 12 DIN 85-4.8 2,5 Nm For mounting M 12 J 12,5 DIN 6797 Hex nut BM 12 DIN 439 10 Nm The following must be ordered separately: Ring clips B 44 030 (cf. page 148) Clamps for capacitors with d 64,3 mm B 44 030 (cf. page 152) Insulating parts B 44 020 (cf. page 145) Siemens Matsushita Components 83