sr202-lfr thru sr210-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 schottky barrier rectifiers sr202-lfr thru sr210-lfr features z extremely low vf z low stored charge, majority carrier conduction z low power loss / high efficiency z ul 94v0 flame retardant epoxy molding compound z rohs mechanical data z case: transfer molded, do-41, dimensions in inches and (millimeters) z leads: solderable per mil-std-202,method 208 z polarity: cathode indicated by color band 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 sr202 -lfr sr203 -lfr sr204 -lfr sr205 -lfr sr206 -lfr sr207 -lfr sr208 -lfr sr209 -lfr sr210 -lfr units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 70 80 90 100 v maximum rms voltage v rms 14 21 28 35 42 49 56 63 70 v maximum dc blocking voltage v dc 20 30 40 50 60 70 80 90 100 v maximum average forward rectified current 0.375?(9.5mm) lead length see fig.1 i o 2.0 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 50 a typical junction capacitance (note1) c j 90 110 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 sr202 -lfr sr203 -lfr sr204 -lfr sr205 -lfr sr206 -lfr sr207 -lfr sr208 -lfr sr209 -lfr sr210 -lfr units maximum forward voltage at i o dc v f 0.45 0.60 0.65 0.70 0.85 v maximum reverse current at 25 i r 2.0 ma maximum reverse current at 100 i r 20.0 ma 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 .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)
sr202-lfr thru sr210-lfr page: 2 ratings and characteristic curve sr202-lfr thru sr210-lfr fig. 1 - forward current derating curve 2.0 1.0 0 i o -average rectified current (a) 0 20 40 60 80 100 120 140 160 180 200 t a -ambient temperature ( ) fig. 3 - typical reverse characteristics 100 10 1.0 .10 .01 .001 instantaneous reverse current, milliamperes 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage, (%) fig. 5 - typical junction capacitance 400 200 100 80 60 40 20 10 junction capacitance, p f 0.1 0.4 1.0 4 10 40 80100 reverse voltage, volts fig. 4 - maximum non-repetitive surge current 50 40 30 20 10 0 peak forward surge current, amperes 1 2 4 10 20 40 100 number of cycles at 60h z 8.3ms single half sine-wave (jedec method) t j = 25 t j =25 t j =125 sr202-lf ~204-lf sr205-lf ~210-lf sr202-lf~204-lf sr205-lf~210-lf t j =25 pulse width=300us 1% duty cycle fig.2 - typical instantaneous forward characteristics 20 10 1.0 0.1 instantaneous forward current amperes .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 instantaneous forward voltage, volts sr202-lf ~204-lf sr205-lf ~206-lf sr207-lf ~210-lf single phase half wave 60h z resistive or inductive load
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