Capacitors with Screw Terminals B 43 550 High-Performance Versions, LL Grade B 43 570 Maximum reliability and long useful life Operating temperature up to 105 C Construction Charge-discharge proof, polar Aluminum case with insulating sleeve Poles with screw terminal connections Mounting with ring clips, clamps or threaded stud The bases of types with threaded stud and d 76,9 mm are not insulated, types with d = 91 mm have fully insulated bases B 43 570 B 43 550 Features Maximum reliability Good thermal characteristics and high ripple current characteristics Long useful life Wide temperature range All-welded construction ensures reliable electrical contact Applications Highly professional power supplies Power electronics, e. g. capacitor banks in current converters Specifications and characteristics in brief Rated voltage U 160 to 400 V R Surge voltage U 1,15 U (for U 250 V) S R R 350 V) 1,10 U (for U R R Rated capacitance C 150 to 15 000 F R Capacitance tolerance 10/+ 30 % Q Useful life 40 C, U > 200 000 h (3 I~ ) R R,105 C 85 C, U , I~ > 15 000 h R max 105 C, U , I~ > 6 000 h R R Failure percentage 1 % (during useful life) Failure rate 20 fit 9 ( 20 10 /h) Voltage endurance test 2 000 h, 105 C (at U , I~ ) R R . < 470 000 C: Leakage current I 1 000 C C U lka R R (5 min, 20 C) C U R R ------- I0,006A -------+4 A lka F V Siemens Matsushita Components 125B 43 550 B 43 570 Specifications and characteristics in brief . Leakage current I C U 470 000 C: lka R R (5 min, 20 C) 0,7 C U R R + I 0,3 A ------- ------- 4 A lka F V Self-inductance L d = 35,7 mm: approx. 10 nH ESL d = 51,6 mm: approx. 15 nH d 64,3 mm: approx. 20 nH IEC climatic category in accordance with IEC 68-1 1) 350 V: 40/105/56 (40 C/+105 C, 56 days damp heat test) 400 V: 25/105/56 (25 C/+105 C, 56 days damp heat test) Detail specifications similar to CECC 30 301-803, CECC 30 301-807, (similar to CECC 30 301-046, similar to DIN 45 910 part 128) Sectional specifications IEC 384-4 (DIN 45 910 part 12) 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 60 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 8 J 8,2 DIN 6797 Hex nut BM 8 DIN 439 4 Nm 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 142) Clamps for capacitors with d 64,3 mm B 44 030 (cf. page 146) Insulating parts B 44 020 (cf. page 139) 1) For case size 76,9 mm 220,7 mm and 91 mm: IEC climatic category 25/105/56 126 Siemens Matsushita Components