her101-lfr thru her108-lfr page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 1a ultra fast recovery rectifier her101-lfr thru her108-lfr features z plastic package has underwriters laboratory flammability classification 94v-0 z ultra fast recovery times for high efficiency z low forward voltage, high current capability z low leakage z high surge capability z high temperature soldering guaranteed : 260c 0.375? (9.5mm) lead lengths for 10 seconds at 5 lbs.(2.3kg)tension z rohs mechanical data z case: molded plastic, do41, dimensions in inches and (millimeters) z terminals: axial leads solderable per mil-std- 202, method 208 z polarity: color band denotes cathode end z mounting position: any z weight: 0.34 grams maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% ratings symbol her101-lf r her102-lf r her103-lf r her104-lf r her105-lf r her106-lf r her107-lf r her108-lf r units maximum recurrent peak reverse voltage v rrm 50 100 200 300 400 600 800 1000 v maximum rms voltage v rms 35 700 140 210 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 300 400 600 800 1000 v maximum average forward rectified current 0.375?(9.5mm) lead length at ta=50c i o 1.0 a peak forward surge current single half sine-wave superimposed on rated load i fsm 30 a typical junction capacitance (note 1) c j 20 15 pf typical thermal resistance (note 2) r ja 50 /w storage temperature range t stg -55 to + 150 operating temperature range t c -55 to + 150 electrical characteristics (at ta =25 c unless otherwise noted) characteristics symbol her101-lf r her102-lf r her103-lf r her104-lf r her105-lf r her106-lf r her107-lf r her108-lf r units maximum forward voltage at io dc v f 1.3 1.85 v maximum reverse current at ta=25 i r 5 a maximum reverse current at ta=100 i r 50 a maximum reverse recovery time (note 3) t rr 50 75 ns note : 1. measured at 1 mhz and applied reverse voltage 0f 4.0 volts 2. both leads attached to heat sink 20 20 1t(mm) copper plate at lead length 5mm 3. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a .205(5.2) .166(4.2) 1.0(25.4) min .034(0.9) .028(0.7) 1.0(25.4) min .107(2.7) .080(2.0)
her101-lfr thru her108-lfr page: 2 ratings and characteristic curve her101-lfr thru her108-lfr fig. 5-maximum non-repetitive forward surge current 50 40 30 20 10 0 0 1 2 4 6 8 10 20 40 60 80 100 number of cycles at 60 h z peak forward surge current (a) 8.3 ms single half sine wave (jedec method) fig. 6-typical junction capacitance .1 .2 .4 1.0 2 4 10 20 40 100 reverse voltage (v) 200 100 40 20 10 6 4 2 1 junction capacitance (pf) fig. 3-typical reverse characteristics 20 40 60 80 100 120 140 percent of rated peak reverse voltage (%) 1000 100 10 1.0 0.1 instantaneous reverse current (ua) +0.5a 0 -0.25a -1.0a trr 1cm set time base for 10/20 ns/cm average forward current (a) 2.0 1.0 0 25 50 75 100 125 150 175 ambient temperature ( o c) fig. 2-typical forward current derating curve single phase half wave 60 hz resistive or inductive load fig. 4-typical instantaneous 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 instantaneous forward voltage (v) t j =25 o her107-lf ~108-lf her106-lf her104-lf ~105-lf her101-lf ~103-lf pulse width=300us 1% duty cycle fig. 1-test circuit diagram and reverse recovery time characteristic pulse generator ( note 2 ) (+) 25 v dc (approx) (-) d.u.t. 1 non inductive oscilloscope ( note 1 ) 50 no inductive 10 no inductive (-) (+) note: 1. rise time=7ns max. input impedance=1 mohms 22pf 2. rise time =10ns max. source impedance=50 ohms t j =25 o c t j =80 o c t j =125 o c her101-lf ~105-lf her106-lf ~108-lf t j =25 o c 10 1.0 .1 .01 .001 instantaneous forward current (a)
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