features i o 25a vrrm 50v-1000v high surge current capability applications : from 005 to 10 xx marking polarity: color band denotes cathode k bu25xx 1 h igh diode semiconductor kbu plastic-encapsulate bridge rectifier general pu rp ose 1 phase bridge rectifier applications k bu + ~ ~ _ KBU25005 thru kbu2510 item symbol unit conditions kbu25 005 01 02 04 06 08 10 repetitive peak reverse voltage v rrm v 50 100 200 400 600 800 1000 average rectified output current i o a 60h z sine wave, r- load, t c =100 25 surge(non-repetitive)forward current i fsm a 60h z sine wave, 1 cycle, t a =25 400 current squared time i 2 t a 2 s 1ms t 8.3ms t j =25 ,rating of per diode 664 storage temperature t stg -55 ~+150 junction temperature t j -55 ~+150 electrical characteristics t a =25 unless otherwise specified item symbol unit test condition max peak forward voltage v fm v i fm =12.5a , pulse measu r ement , ratin g of p e r diode 1.1 peak reverse current i rrm a v rm =v rrm , pulse measurement, rating of per diode 10 thermal resistance r j-c /w between junction and case 0.8 (1)
7 \ s l f d o & k d u d f w h u l v w l f v 2 igh diode semiconductor the cruve graph is for reference only, can't be the basis for judgment fig.4? typical reverse characteristics percent of rated peak reverse voltage instantaneous reverse current microamperes t j = 25 c 0.01 0.1 1.0 10 140 120 100 80 60 40 20 0 case temperature ( ) fig. 2 ? derating curve output rectified current average forward output current amperes 50 40 20 10 0 30 100 150 fig.1-maximum forward surge current number of cyclets at 60hz peak forward surge current amperes 1 10 100 0 350 200 150 100 50 250 300 400 t j =25c fig.3? typical forward characteristics instantaneous forward current (amperes) instantaneous forward voltage, volts 0.6 0.8 1.0 1.2 1.4 0.4 100 10 1.0 0.1 0.01 1.6
3 h igh diode semiconductor k bu dimensions in inches and (milimeters) .935(23.7) .895(22.7) .600(16.8) .700(17.8) 300 (7.5) .780(19.8) .740(18.8) (25.4) 1.00 min. .052(1.3)dia. .048(1.2)typ. .071(1.8) .087(2.2) .220(5.6) .180(4.6) .256(6.5) .276(7.0) .15 x23l (3.8 x5.7l) hole thru .165(4.2)*45
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