super fast rectifier reverse voltage - 50 to 600 volts forward current - 2.0 amperes case : jedec do-15 molded plastic body terminals : plated axial leads, solderable per mil-std-750, method 2026 polarity : color band denotes cathode end mounting position : any weight :0.014 ounce, 0.40 grams the plastic package carries underwriters laboratory flammability classification 94v-0 super fast switching for high efficiency low reverse leakage high forward surge current capability high temperature soldering guarantteed: 250 c/10 seconds,0.375 ? (9.5mm) lead length, 5 lbs. (2.3kg) tension features mechanical data dimensions in inches and (millimeters) maximum ratings and electrical characteristics volts volts volts symbols units amps amps volts v rrm v rms v dc i (av) i fsm v f 2.0 50.0 1.25 operating junction and storage temperature range maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current 0.375 ? (9.5mm) lead length at t a =55 c peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 2.0a maximum dc reverse current t a =25 c at rated dc blocking voltage t a =100 c i r 5.0 50.0 r q ja c j t j , t stg 50.0 60.0 -65 to +150 pf c a u typical thermal resistance (note 3) c/w typical junction capacitance (note 2) maximum reverse recovery time (note 1) t rr 35 ns do-15 0.140(3.6) 0.104(2.6) dia. 0.034(0.9) 0.028(0.7) dia. 1.0 (25.4) min. 0.300(7.6) 0.230(5.8) 1.0 (25.4) min. ratings at 25 c ambient temperature unless otherwise specified. single phase half-wave 60hz,resistive or inductive load,for current capacitive load current derate by 20%. 50 35 50 100 70 100 150 105 150 200 140 200 300 210 300 400 280 400 600 420 600 sf21 sf22 sf23 sf24 sf25 sf26 SF28 0.95 note: 1.reverse recovery condition i f =0.5a,i r =1.0a,irr=0.25a 2.measured at 1mhz and applied reverse voltage of 4.0v d.c. 3.thermal resistance from junction to ambient at 0.375 ? (9.5mm)lead length,p.c.b. mounted 30.0 sf21 thru SF28 www.shunyegroup.com.cn
ratings and characteristic curves sf21 thru SF28 2.0 1.6 1.2 0.8 0.4 0 0 25 50 75 100 125 150 175 50 40 30 20 10 0 0.1 1.0 10 100 0.01 0.1 1 10 100 100 10 1 0.1 reverse voltage,volts t,pulse duration,sec. fig. 5-typical junction capacitance fig. 6-typical transient thermal impedance fig. 3-typical instantaneous forward characteristics number of cycles at 60 hz fig. 2-maximum non-repetitive peak forward surge current fig. 1- forward current derating curve average forward rectified current, amperes instantaneous forward current,amperes junction capacitance, pf peak forward surge current, amperes instantaneous forward voleage, volts single phase half wave 60hz resistive or inductive load 1 10 100 t j =25 c 1 10 100 200 0 20 40 60 80 100 1,000 100 10 1 0.1 0.01 tj=100 c tj=25 c percent of peak reverse voltage,% fig. 4-typical reverse characteristics instantaneous reverse current, microamperes transient thermal impedance, c/w ambient temperature, c 0 0.4 0.8 1.2 1.6 1.8 0.01 0.1 1 20 10 sf21-sf24 sf25-SF28 sf21-sf24 sf25-SF28 8.3ms single half sine-wave (jedec method) t j =25 c pulse width=300 m s 1%duty cycle www.shunyegroup.com.cn
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