ra dimension inches mm dim min max min max note a .380 .410 9.70 10.40 b .165 .185 4.19 4.70 c .215 .225 5.50 5.70 d .235 .250 6.00 6.40 e ----- 5 o ----- 5 o nom l plastic material used carriers underwrites laborato ry flammability classification 94v- 0 and msl rating 1 l low cost construction utilizing void-free molded plas tic technique l high surge capability l diffused junction ra252 100v 70v 100v ra253 200v 140v 200v RA254 400v 280v 400v ra255 600v 420v 600v ra256 800v 560v 800v ra257 1000v 700v 1000v mcc part number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage electrical characteristics @ 25 o c unless otherwise specified average forward current i f(av) 25.0a t c =125 o c peak forward surge current i fsm 400a 8.3ms half sine maximum instantaneous forward voltage v f 1.1v i fm =25.0a t a =25 o c maximum dc reverse current at rated dc blocking voltage i r 5.0ua t c =25 o c typical reverse recovery times t rr 3.0us i f =0.5a, i r =1.0a, i rr =0.25a typical junction capacitance c j 300pf measured at 1.0mhz, v r =4.0v ra251 thru 25 amp standard rectifier 50 to 1000 volts a b c d e www. mccsemi .com
omp onents 20736 marilla street chatsworth !"# $
% !"# m c c tm micro commercial components ra251 50v 35v 50v maximum ratings l operating & storage temperature: -50 o c to +150 o c l for capacitive load, derate current by 20% notes: 1. high temperature solder exemption applied, see eu directive annex notes 7. features 1 of 3 ra257 l lead free finish/rohs compliant(note 1) ("p" suffix designates rohs compliant. see ordering information) revision: 5 2008/0 6 / 24
ra251 thru ra257 ratings and characteristic cu rves fig.4- typical reverse characteristics instantaneous reverse current. ( a) 0 20 40 60 80 100 120 140 0.1 0.6 0.4 0.2 1 6 4 2 10 60 40 20 100 percent of rated peak reverse voltage. (%) tj=25 c 0 fig.3- typical forward characteristics instantaneous forward current. (a) 0.6 1.0 1.4 1.8 2.2 2.6 0.1 1.0 10 100 1000 forward voltage. (v) tj=25 c pulse width-300 s 2% duty cycle 0 fig.5- typical junction capacitance junction capacitance.(pf) 1 5 2 10 20 50 100 50 100 500 1000 reverse voltage. (v) tj=25 c 0 f=1.0mhzvsig=50mvp-p fig.1- maximum forward current derating curve average forward current. (a) 0 5 0 7 5 1 00 150 125 0 10 20 30 40 50 case temperature. ( c) o half sine wave 60hz resistive or inductive load fig.2- maximum non-repetitive peak forward surge current peak forward surge current. (a) 1 10 100 200 60 80 300 100 400 600 number of cycles at 60hz 8.3ms single half sine wave jedec method tj=25 c 0 tj=150 c 0 cycle m c c www. mccsemi .com tm micro commercial components 2 of 3 revision: 5 2008/0 6 / 24
m c c tm micro commercial components www. mccsemi .com 3 of 3 products are represented on our website, harmless against all damages. ***applications disclaimer*** ***important notice*** aerospace or military applications. products offer by micro commercial components corp . are not intended for use in medical, micro commercial components corp . reserve s the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . micro commercial components corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . the user of products in such applications shall assume all risks of such use and will agree to hold micro commercial components corp . and all the companies whose ordering information device packing (part number)-bp bulk; 1k pcs /b ox 3 revision: 5 2008/0 6 / 24
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