sf20-005 thru sf20-06 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 super fast recovery rectifier sf20-005 thru sf20-06 features z high reliability z low forward voltage z super fast switching z good for 200khz power supplier z high surge capability z high current capability mechanical data z case: molded plastic, do15, dimensions in inches and (millimeters) z epoxy: ul 94v-0 molding compound z leads: mil-std-202e method 208c guaranteed 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 sf20 -005 sf20 -01 sf20 -015 sf20 -02 sf20 -03 sf20 -04 sf20 -05 sf20 -06 units maximum recurrent peak reverse voltage v rrm 50 100 150 200 300 400 500 600 v maximum rms voltage v rms 35 70 105 140 210 280 350 420 v maximum dc blocking voltage v dc 50 100 1500 200 300 400 500 600 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 75 a typical junction capacitance (note 1) c j 30 20 pf typical thermal resistance (note 2) r ja 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 sf20 -005 sf20 -01 sf20 -015 sf20 -02 sf20 -03 sf20 -04 sf20 -05 sf20 -06 units maximum forward voltage at i o dc v f 0.95 1.25 1.85 v maximum reverse current at 25 i r 10 a maximum reverse current at 100 i r 100 a maximum reverse recovery time (note 3) t rr 35 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
sf20-005 thru sf20-06 page: 2 ratings and characteristic curve sf20-005 thru sf20-06 1 5 10 20 50 100 number of cycles at 60 hz fig. 5-maximum non-repetitive forward surge current 90 75 60 50 45 30 15 0 peak forward surge current (a) 8.3 ms single half sine wave (jedec method) +0.5a 0 -0.25a -1.0a trr 1cm set time base for 10/20 ns/cm fig. 3-typical reverse characteristics 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage (%) t j =25 o c instantaneous reverse current (ua) 1000 100 10 1.0 0.1 average forward current (a) 3.0 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 forward characteristics .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 instantaneous forward voltage (v) sf20-005~20-02 sf20-06 10 1.0 0.1 .01 .001 instantaneous forward current (a) sf20-03~20-04 .1 .2 .4 1.0 2 4 10 20 40 100 reverse voltage (v) fig. 6-typical junction capacitance 200 100 40 20 10 6 4 2 1 junction capacitance (p f ) 0 02 sf20-03~20-06 t j =25 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 100 no inductive (-) (+) note: 1. rise time=7ns max. input impedance=1 mohms 22pf 2. rise time =10ns max. source impedance=50 ohms
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