her101 thru her108 1.0 amp high efficient rectifiers 50 to 1000 volts features ? high surge current capability ? high reliability ? low forward voltage drop ? high current capability maximum ratings ? operating temperature: -55 c to +125 c ? storage temperature: -55 c to +150 c ? for capcitive load, derate current by 20% catalog number device marking maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage her101 --- 50v 35v 50v her102 --- 100v 70v 100v her103 --- 200v 140v 200v her104 --- 300v 210v 300v her105 --- 400v 280v 400v her106 --- 600v 420v 600v her107 --- 800v 560v 800v electrical characteristics @ 25 c unless otherwise specified average forward current i f(av) 1.0 a t a = 55 c peak forward surge current i fsm 30a 8.3ms, half sine maximum instantaneous forward voltage her101-104 her105 v f 1.0v 1.3v i fm = 1.0a; t a = 25 c reverse current at rated dc blocking voltage ( maximum dc ) i r 5.0 a 100 a t a = 25 c t a = 100 c maximum reverse recovery time her101-105 her106-108 t rr 50ns 75ns i f =0.5a, i r =1.0a, i rr =0.25a typical junction capacitance her101-105 her106-108 c j 20pf 15pf measured at 1.0mhz, v r =4.0v notes: 1. 300 us pulse width, 1% duty cycle. do-41 dimensions inches mm dim min max min max note a .166 ..205 4.2 5.2 b .08 .107 2.0 2.7 c .028 .034 .71 .86 d 1.000 --- 25.40 --- a b c d d cathode mark her106-108 1.7v her108 --- 1000v 700v 1000v www.yfwdiode.com
fig.2- maximum average forward current derating fig.1- reverse recovery time characteristic and test circuit diagram average forw ard current . (a) 25 50 75 100 125 150 175 1.0 2.0 ambient temperature. ( c) o 50 noninductive non inductive oscilloscope (note 1) pulse generator (note 2) dut (+) 50vdc (approx) (-) notes: 1. rise time=7ns max. input impedance= 1 megohm 22pf 2. rise time=10ns max. sourse impedance= 50 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm single phase half wave 60hz resistive or inductive load 0.375" (9.5mm) lead length ratings and characteristic curves 0 0 fig.5- maximum non-repetitive forward surge current peak forward surge current . (a) 1 2 5 10 20 100 50 10 0 15 20 30 25 35 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.3- typical reverse characteristics instantaneous reverse current .( a) 0 20 40 60 80 100 120 140 0.1 1 10 100 1000 percent of rated peak reverse voltage. (%) tj=25 c 0 tj=100 c 0 fig.4- typical forward characteristics instant aneous forward current . (a) .2 .4 .6 .8 1.0 1.2 1.4 0.001 0.01 0.1 1.0 10 forward voltage. (v) her101~her104 her105 her106~her108 fig.6- typical junction capacitance junction capacit ance.(pf) .1 .5 1 5 2 10 20 50 100 200 500 1000 10 0 20 30 40 50 60 70 reverse voltage. (v) her101~her105 her106~her108 her101 thru her108 www.yfwdiode.com
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