uf20-005g-lfr thru uf20-10g-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 2a glass passivated ultra fast recovery rectifier uf20-005g-lfr thru uf20-10g-lfr features z plastic package has underwriters laboratory flammability classification 94v-0 z glass passivated chip junction 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: 260 c/0.375 ? (9.5mm) lead 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 solder able 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 induc tive load. for capacitive l oad, derate current by 20% ratings symbol uf20 -005g -lfr uf20 -01g -lfr uf20 -02g -lfr uf20 -04g -lfr uf20 -06g -lfr uf20 -08g -lfr uf20 -10g -lfr units maximum recurrent peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified current 0.375?(9.5mm) lead length at ta=55 c i o 2.0 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 60 a typical junction capacitance (note 1) c j 30 20 pf typical thermal resistance (note 2) r jc 40 /w storage temperature range t stg -55 to + 150 operating temperature range t op -55 to + 150 electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol uf20 -005g -lfr uf20 -01g -lfr uf20 -02g -lfr uf20 -04g -lfr uf20 -06g -lfr uf20 -08g -lfr uf20 -10g -lfr units maximum forward voltage at i o dc v f 1.3 1.7 v maximum dc reverse current at ta=25 c i r 1 a maximum dc reverse current at ta=100 c i r 10 a maximum reverse recovery time (note3) t rr 50 75 ns notes: 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
uf20-005g-lfr thru uf20-10g-lfr page: 2 ratings and characteristic curve uf20-005g-lfr thru uf20-10g-lfr 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) uf20-005g-lf~04g-lf uf20-06g-lf~10g-lf t j =25 o c +0.5a 0 -0.25a -1.0a trr 1cm set time base for 10/20 ns/cm average forward current (a) 3.0 2.0 1.0 0 0 2 5 5 0 7 5 100 125 150 17 5 ambient temperature ( o c) fig. 2-typical forward current derating curve single phase half wave 60 hz resistive or inductive load fig. 5-maximum non-repetitive forward surge current 60 50 40 30 20 10 0 peak forward surge current (a) number of cycles at 60h z fig. 4-typical instantaneous forward characteristics .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 instantaneous forward voltage (v) uf20-005g-lf~02g-lf uf20-08g-lf~10g-lf 10 1.0 0.1 .01 .001 instantaneous forward current (a) uf20-03g-lf~04g-lf uf20-06g-lf fig. 3-typical reverse characteristics 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage (%) 100 10 1.0 .1 .01 instantaneous reverse current (ua) t j =25 o c t j =80 o c t j =125 o c 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 8.3 ms single half sine wave (jedec method) 0 1 2 4 6 10 20 40 60 100
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