dimensions in inches and (millimeters) version: a06 HER201 - her208 2.0 amps. high efficiency rectifiers do-15 features high efficiency, low vf high current capability high reliability high surge current capability for use in low voltage, high frequency inventor, free wheeling, and polarity protection application. mechanical data cases: molded plastic epoxy: ul 94v-0 rate flame retardant lead: pure tin plated, lead free, solderable per mil-std-202, method 208 guaranteed polarity: color band denotes cathode high temperature soldering guaranteed: 260 o c/10 seconds/.375?,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension weight: 0.40grams maximum rating and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol her 201 her 202 her 203 her 204 her 205 her 206 her 207 her 208 units maximum recurrent peak reverse voltage v rrm 50 100 200 300 400 600 800 1000 v maximum rms voltage v rms 35 70 140 210 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 300 400 600 800 1000 v maximum average forward rec tified current .375 (9.5mm) lead length @t a = 55 o c i (av) 2.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 60 a maximum instantaneous forward voltage @ 2.0a v f 1.0 1.3 1.7 v maximum dc reverse current @ta=25 o c at rated dc blocking voltage @ ta=125 o c i r 5.0 150 ua ua maximum reverse recovery time ( note 1) trr 50 75 ns typical junction capacitance ( note 2 ) cj 50 35 pf typical thermal resistance r ja 60 o c/w operating temperature range t j -65 to +150 o c storage temperature range t stg -65 to +150 o c notes: 1. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a 2. measured at 1 mhz and applied reverse voltage of 4.0 v d.c. 3. mount on cu-pad size 10mm x 10mm on pcb.
0.2 0.4 0.6 0.8 1.0 1.2 1.4 100 10 1 0.1 0.01 0 tj=25 c 0 tj=100 c 0 tj=7 5 c 0 r a ting s an d characteristi c cu r ve s (her20 1 thr u her208) fig.6 - revers e recove r y tim e characteristi c an d tes t circui t diagram 50 noninductive non inductive oscilloscope (not e 1) pulse gener a t or (not e 2) dut (+) 50vdc (approx) (-) notes : 1 . ris e t ime=7n s max . inpu t impedance= 1 megoh m 22pf 2 . ris e t ime=10n s max . sours e impedance= 5 0 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm fig.3- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 10 0 20 30 50 40 60 80 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.4- typical junction capacitance junction cap acitance.(pf) 0.1 0.5 1 5 2 10 20 50 100 200 500 800 25 0 50 75 100 125 150 175 reverse voltage. (v) HER201~her205 her206~her208 version: a06 fig.1- maximum forward current derating curve average for ward current .(a) 0 25 50 100 150 175 125 75 0 2.0 3.0 1.0 ambient temperature. ( c) o single phase half wave 60hz resistive or inductive load 0.375" (9.5mm) lead length fig.5- typical instantaneous forward characteristics instantaneous for ward current . (a) forward voltage. (v) h er 206-h er 208 h er 201-h er 204 her205 fig.2- typical reverse characteristics 0 20 40 60 80 100 120 140 0.1 1 10 100 1000 percent of rated peak reverse voltage. (%) instantaneous reverse current .( a)
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