block type automotive pectifier e-mail: sales@cnmic.com web site: www.cnmic.com voltage range 200 to 400 volts b302 thru b304 current 40.0 amperes technical specification features low leakage low forward voltage drop high current capability high forward surge current capacity glass passivated chip mechanical data technology: vacuum soldered copper cup with transfer molded plastic polarity: b30-p lead-p b30-n lead-n lead: plated ni lead, solderable per mil-std-202e method 208c mounting: press fit weight: 0.094 ounces, 2.65 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 B402-p B402-n b403-p b403-n b404-p b404-n unit maximum repetitive peak reverse voltage v rrm 200 300 400 volts maximum rms voltage v rms 140 210 280 volts maximum dc blocking voltage v dc 200 300 400 volts maximum average forward rectified current, at tc=105 i o 40 amps peak forward surge current 3.3ms single half sine wave superimposed on rated load (jedec method) i fsm 500 amps rating for fusing (t 8.3ms) i 2 t 1037 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 1.0 /w operating and storage temperature range t j ,t stg (-65 to +175) notes: 1. enough heatsink must be considered in application. dimensions in inches and (millimeters) ba 4 . 4 0 . 5 0 . 6 0 . 3 1.8 0.3 9.2 0.3 1.0 0.3 5 . 0 0 . 3 . 0 0 . 3 1 0 . 0 0 . 3 8 . 5 0 . 3 24.0 0.5 5 . 0 0 . 3 2 . 5 0 . 3 4.5 0.3 13.5 0.3 10.2 0.3
block type automotive pectifier e-mail: sales@cnmic.com web site: www.cnmic.com voltage range 200 to 400 volts B402 thru b404 current 40.0 amperes ratings and characteristic curves B402 thru b404 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 20 single phase half wave 60hz resistive or inductive load 0.375 (9.5mm) lead length 100 400 200 80 40 30 10 300 600 500 f1g.3 typical instantaneous forward characteristics 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 ) instantaneous forward voltage,(v) 1000 100 10 1.0 0.1 1.41.62.0 1.8 1.01.2 0.8 0.6 t1=25 pulse width=300 s 1%duty cycle 50 40 30 20 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 10 50
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