h er501 her508 thru 5.0 amp high efficiency rectifiers m a x i m u m r atings and electrical characteristics rating 25 c ambient temperature uniess otherwies specified. s ingle phase half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. type number m aximum recurrent peak reverse voltage m aximum rms voltage m aximum dc blocking voltage m aximum average forward rectified current .375"(9.5mm) lead length at ta=50 c features m e chanical data p eak forward surge current, 8.3 ms single half sine-wave s uperimposed on rated load (jedec method) m aximum instantaneous forward voltage at 5.0a m aximum dc reverse current ta=25 c at rated dc blocking voltage ta=100 c m aximum reverse recovery time (note 1) typical junction capacitance (note 2) 5.0 1.0 1.3 1.85 200 10 200 50 7 5 75 - 65 +150 v notes: 1. reverse recovery time test condition: if=0.5a, ir=1.0a, irr=0.25a 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. * low forward voltage drop * high current capability * high reliability * high surge current capability * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: axial leads, solderable per mil-std-202, method 208 guranteed * polarity: color band denotes cathode end * mounting position: any weight: 1.10 grams * v oltage range 50 to 1000 volts current 5.0 ampere her501 her502 her503 her504 her505 her506 her507 her508 units 50 100 200 300 400 600 800 1000 50 100 200 300 400 600 800 1000 35 70 140 210 280 420 560 700 v v * high speed switching do-27 dimensions in inches and (millimeters) 0.945 (2 4.0 ) min. 0.945 (2 4.0 ) min. .375(9.5) .285(7.2) .052(1.3) .04 3 (1. 1 ) dia. .220(5.6) .197(5.0) dia. operating and storage temperature range t , t j s tg a a v m a m a ns pf c 70 * both normal and pb free product are available: * normal:80~95%sn,5~20%pb * pb free:99 sn above can meet rohs enviroment substance directive request
.4 .6 .8 1.0 1.2 1.4 .001 .01 .1 1.0 10 rating and characteristic curves (her501 thru her508) fig.1-typical forward characteristics fig.4-maximum non-repetitive forward surge current p e a k forwaard surge current,(a) fig.5-typical junction capacitance instantaneous forward current,(a) forward voltage,(v) p ulse width 300us 1% duty cycle 0 50 100 200 250 150 ( + ) ( + ) 25vdc ( approx.) ( ) ( ) pulse generator (note 2) oscilliscope (note 1) 1 non- inductive w notes: 1. rise time= 7ns max., input impedance= 1 megohm.22pf. 2. rise time= 10ns max., source impedance= 50 ohms. + 0.5a 0 - 0.25a - 1.0a | | | | | | | | 1cm s et time base for 50 / 10ns / cm trr d.u.t. fig.3- test circuit diagram and reverse recovery time characteristics 10 noninductive 50 noninductive w w tj=25 c fig.2-typical forward current average forward current,(a) 1 0 2 3 4 5 6 derating curve 1.6 1.8 h e r 5 0 6 ~ h e r 5 0 8 h e r 5 0 4 ~ h e r 5 0 5 h e r 5 0 1 ~ h e r 5 0 3 reverse voltage,(v) j unction capacitance,(pf) 175 150 125 100 75 50 25 0 .01 .05 .1 .5 1 5 10 50 100 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half s ine wave jedec method s ingle phase half wave 60hz resistive or inductive load 0.375"(9.5mm) lead length ambient temperature ( c) 0 25 50 75 100 125 150 175 71
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