HER151-LFR thru her158-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 1.5a ultra fast recovery rectifier HER151-LFR thru her158-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)le ad lengths for 10 seconds at 5 lbs.(2.3kg)tension z rohs mechanical data z case: molded plastic, do15, 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: 0.4 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 her151 -lfr her152 -lfr her153 -lfr her154 -lfr her155 -lfr her156 -lfr her157 -lfr her158 -lfr 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 rectified current 0.375? (9.5mm) lead length at ta=50 c i o 1.5 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load i fsm 50 a typical junction capacitance (note 1) c j 30 20 pf typical thermal resistance (note 2) r ja 40 c /w storage temperature range t stg -55 to + 150 c operating temperature range t op -55 to + 125 c electrical characteristics (at ta =25 c unless otherwise noted) characteristics symbol her151 -lfr her152 -lfr her153 -lfr her154 -lfr her155 -lfr her156 -lfr her157 -lfr her158 -lfr units maximum forward voltage at io dc v f 1.3 1.85 v maximum reverse current at ta=25 i r 10 a maximum reverse current at ta=100 i r 100 a maximum reverse recovery time (note 2) 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 20x20x1t(mm) copper plate at lead length 5mm 3. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a .140(3.6) .104(2.6) .034(0.9) .028(0.7) .300(7.6) .230(5.8) 1.0(25.4) min 1.0(25.4) min
HER151-LFR thru her158-lfr page: 2 ratings and characteristic curve HER151-LFR thru her158-lfr fig. 5- maximum non-repetitive forward surge current 70 60 50 40 30 20 10 0 0 1 2 4 6 10 20 40 60 100 number of cycles at 60 hz peak forward surge current (a) fig. 6-typical junction capacitance 200 100 40 20 10 6 4 2 1 junction capacitance (pf) +0.5a 0 -0.25a -1.0a trr 1c m set time base for 10/20 ns/cm average forward current (a) 3.0 2.0 1.5 1.0 0 25 50 75 1 00 1 25 1 50 175 ambient temperature ( o c) fig. 2-typical forward current derating curve single phase half wave 60 hz resistive or inductive load fig. 3-typical reverse characteristics percent of rated peak reverse voltage (%) 100 10 1.0 .1 .01 instantaneous reverse current (ua) fig. 4-typical instantaneous forward characteristics 10 1.0 0.1 .01 .001 instantaneous forward current (a) 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 0 20 40 60 80 100 120 140 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 instantaneous forward voltage (v) her151-lf~153-lf her157-lf~158-lf her154-lf~155-lf her156-lf 8.3 ms single half sine wave (jedec method) .1 .2 .4 1.0 2 4 10 20 40 100 reverse voltage (v) her151-lf~155-lf her156-lf~158-lf t j =25 o c
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