press fit automotive rectifier (lucas) e-mail: sales@cnmic.com web site: www.cnmic.com voltage range 100 to 600 volts lpr251 thru lpr256 current 25.0 amperes technical specification features low leakage low forward voltage drop high current capability high forward surge current capacity mechanical data technology: cell with vacuum soldered case: copper case polarity: as marked of case bottom lead: plated lead , solderable per mil-std-202e method 208c mounting: press fit weight: 0.23 ounces, 6.58 grams maximum ratings and electrical characteristics ratings at 25 ambient temperature unless otherwise specified single phase, half wave, 60hz, resistive or inductive load for capacitive load derate current by 20% symbols lpr251 LPR252 lpr253 lpr254 lpr256 unit maximum repetitive peak reverse voltage v rrm 100 200 300 400 600 volts maximum rms voltage v rms 70 140 210 280 420 volts maximum dc blocking voltage v dc 100 200 300 400 600 volts maximum average forward rectified current, at tc=105 i (av) 25 amps peak forward surge current 3.3ms single half sine wave superimposed on rated load (jedec method) i fsm 400 amps rating for fusing (t 8.3ms) i 2 t 664 a 2 s maximum instantaneous forward voltage at 100a v f 1.10 volts 5.0 maximum dc reverse current at rated ta=25 dc blocking voltage ta=100 i r 450 ua typical thermal resistance r jc 0.8 /w operating and storage temperature range t j ,t stg (-65 to +175) notes: 1. enough heatsink must be considered in application. lc-1 dimensions in inches and (millimeters) epoxy negative positive 26.00 0.26 1.02 0.01 0.872 0.01 21.00 0.26 (3.40-3.80) 0.133-0.149 0.39(9.95) 0.397-0.399 10.09-10.15 0.333 8.45max ( 1.28 0.05) 0.050 0.002
press fit automotive rectifier (lucas) e-mail: sales@cnmic.com web site: www.cnmic.com voltage range 100 to 600 volts lpr251 thru lpr256 current 25.0 amperes ratings and characteristic curves lpr251 thrulpr256 f1g.2 maximum non-repetitive peak forward surge current f1g.1 typical forward current derating gurve 1 cycle number of cycles at 60 hz 100 60 40 20 10 8 6 4 2 1 p e a k f o r w a r d s u r g e c u r r e n t , ( a ) 8.3ms single half sine-wave (jedec method) tj=tj max a v e r a g e f o r w a r d c u r r e n t , ( a ) ambient temperature, () 125 100150175 75 50 25 0 0 25 single phase half wave 60hz resistive or inductive load 0.375 (9.5mm) lead length 100 t1=25 pulse width=300 s 1%duty cycle 0.60.81.2 1.01.82.0 1.6 1.4 0.1 1.0 10 100 1000 instantaneous forward voltage,(v) i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) f1g.3 typical instantaneous forward characteristics 400 200 80 20 30 10 300 600 500 50 40 30 20 10 0 0 square wave dc 60 40 20 a v e r a g e p o w e r d i s s i p a t i o n ( w ) average forward current, (a) f1g.4 forward rower dissipation
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