features metal-semiconductor junction with guard ring epitaxial construction low forward voltage drop,low switching losses high surge capability mechanical data case:jedec to--220ac,molded plastic terminals: leads solderable per mil- std-750,method 2026 polarity: as m arked weight: 0.078ounces,2.24 grams mounting position: any ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. sr830 sr840 sr850 SR860 sr880 sr8a0 units maximum recurrent peak reverse voltage v rrm 30 40 50 60 80 100 v ma x imum rms v olt a ge v rms 21 28 35 42 56 70 v maximum dc blocking voltage v dc 30 40 50 60 80 100 v maximum average forw ard rectified current (see fig.1) peak forw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @t j =125 maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 typical thermal resistance (note2) r ja /w operating junction temperature range t j storage temperature range t stg - 55 ---- + 125 - 55 ---- + 150 maximum instantaneous forw ard voltage @ 8.0a (note 1) v f 1.0 15.0 50.0 v 0.65 0.75 0.85 0.8 150.0 20 sr820 14 20 8.0 2.thermal resistance junction to ambient ma i r i fsm note: 1. pulse test:300us pulse width,1% duty cy cle. a 3 - 55 ---- +150 galaxy electrical sr820 --- sr8a0 a for use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications i f(av) schot t ky barrier rect ifier voltage range: 20 --- 100 v current: 8.0a to - 220ac the plastic material carries u/l recognition 94v-0 maximum ratings and electrical characteristics www.galaxycn.com bl document number 0266012 1. bl galaxy electrical zz
www.galaxycn.com document number 0266012 2. amperes amperes amperes fig.3 -- typical instantaneous forward characteristics instantaneous forward current instantaneous forward voltage, volts sr820 --- sr8a0 lead temperature, number of cycles at 60hz fig.1 -- forward current derating curve fig.2 -- peak forward surge current ratings and characteristic curves average forward rectified current peak forward surge current 145 1.0 135 150 140 125 130 5.0 10 50 100 t j =t j max 8.3ms single half sine-wave 2.0 4.0 0 50 100 0 150 6.0 8.0 10 single phase half wave 60hz resistive or inductive load sr820 - sr840 sr850 - sr8a0 pulse width=300 s 1% duty cycle t j =25 ?? 0.1 1.0 10 50 0.4 0.5 0.6 0.7 0.8 1.00.9 1.1 1.2 sr820 - sr840 sr8a0 sr880 sr850 - SR860 bl galaxy electrical
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