? by semikron b 11 C 19 power bridge rectifiers skb 25 skd 25 skb skd features square plastic case with isolated metal base plate and fast-on connectors blocking voltage to 1600 v high surge currents skb = single phase bridge rectifier skd = three phase bridge rectifier easy chassis mounting ul recognized, file no. e 63 532 typical applications single and three phase rectifiers for power supplies input rectifiers for variable frequency drives rectifiers for dc motor field supplies battery charger rectifiers v rsm i d (t case = ...) v rrm 17 a = (75 c) 20 a (73 c) types r min types r min v ww 100 skb 25/01 0,1 C C 200 skb 25/02 0,15 skd 25/02 0,15 400 skb 25/04 0,3 skd 25/04 0,3 600 skb 25/06 0,5 C C 800 skb 25/08 0,7 skd 25/08 0,7 1200 skb 25/12 1 skd 25/12 1 1400 skb 25/14 1,2 skd 25/14 1,2 1600 skb 25/16 1,5 skd 25/16 1,5 symbol conditions skb 25 skd 25 units i d t amb = 45 c; isolated 1) 3,5 3,5 a chassis 2) 10 12 a r4a/120 14 15 a p1a/120 17 20 a i dcl t amb = 45 c; isolated 1) 33,5a chassis 2) 9,5 12 a r4a/120 12 15 a p1a/120 14 20 a i fsm t vj = 25 c, 10 ms 370 a t vj = 150 c, 10 ms 320 a i 2 tt vj = 25 c, 8,3...10 ms 680 a 2 s t vj = 150 c, 8,3...10 ms 500 a 2 s v f t vj = 25 c; i f = 150 a 2,2 v v (to) t vj = 150 c 0,85 v r t t vj = 150 c12m w i rd t vj = 25 c; v rd = v rrm 0,3 ma t vj = 150 c; v rd = v rrm 5ma t rr t vj = 25 ctyp. 10 m s f g 2000 hz r thjc total 2 1,75 c/w r thch total 0,15 c/w r thja isolated 1) 15 c/w chassis 2) 4,7 c/w r4a/120 3,6 c/w p1a/120 2,75 c/w t vj C 40...+ 150 c t stg C 55...+ 150 c v isol a.c. 50...60 hz; r.m.s.; 1 s/ 1 min 3000 / 2500 v ~ rc p r = 1 w 50 w 0,1 m f fu 20 a m 1 to heatsink si units 2 15 % nm us units 18 15 % lb. in. w2426g case g 10 g 11 1) freely suspended or mounted on an insulator 2) mounted on a painted metal sheet of min. 250 x 250 x 1 mm 0896
? by semikron b 11 C 20
? by semikron b 11 C 21
? by semikron b 11 C 22
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