sr220 thru sr2a0 schottky barrier rectifier reverse voltage - 20 to 100 volts forward current - 2.0 ampere 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 features mechanical data maximum ratings and electrical characteristics note: 1.measured at 1mhz and applied reverse voltage of 4.0v d.c. 2.thermal resistance from junction to ambient at 0.375 ? (9.5mm)lead length,p.c.b. mounted ratings at 25 c ambient temperature unless otherwise specified. single phase half-wave 60hz,resistive or inductive load,for capacitive load current derate by 20%. the plastic package carries underwriters laboratory flammability classification 94v-0 metal silicon junction,majority carrier conduction low power loss,high efficiency high forward surge current capability high temperature soldering guaranteed: 250 c/10 seconds,0.375 ? (9.5mm) lead length, 5 lbs. (2.3kg) tension 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 80 56 80 sr 220 volts volts volts symbols units amp amps volts v rrm v rms v dc i (av) i fsm v f 2.0 60.0 0.70 operating junction 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(see fig.1) 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 typical junction capacitance (note 1) i r 1.0 r q ja c j t j t stg 50.0 80 pf c ma typical thermal resistance (note 2) c/w sr 230 sr 250 sr 240 sr 260 sr 280 sr 270 sr 290 100 70 100 sr 2a0 70 49 70 90 63 90 storage temperature range c -65 to +150 -65 to +125 -65 to +150 10.0 0.55 0.85 220 do-15 0.140 (3.6) 0.104(2.6) dia. 0.034 (0.90) 0.028 (0.70) dia. 0.300(7.6) 0.230(5.8) dimensions in inches and (millimeters) 1.0 (25.4) min. 1.0 (25.4) min. www.shunyegroup.com.cn
ratings and characteristic curves sr220 thru sr2a0 2.0 1.6 1.2 0.8 0.4 0 0 25 50 75 100 125 150 175 60 48 36 24 12 0 0.2 0.4 0.6 0.8 1.0 1.1 0.01 0.1 1 10 100 100 10 1 0.1 t,pulse duration,sec. 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 peak forward surge current, amperes instantaneous forward voleage, volts single phase half wave 60hz resistive or inductive load 1 10 100 8.3ms single half sine-wave (jedec method) 0.01 0.1 1 20 10 t j =25 c pulse width=300 m s 1%duty cycle 0 20 40 60 80 100 1,000 100 10 1 0.1 0.01 tj=25 c tj=100 c percent of peak reverse voltage,% fig. 4-typical reverse characteristics instantaneous reverse current, millamperes transient thermal impedance, c/w ambient temperature, c SR250-sr2a0 sr220-sr240 SR250-sr260 sr220-sr240 sr270-sr2a0 tj=75 c 0.1 1.0 10 100 reverse voltage,volts fig. 5-typical junction capacitance junction capacitance, pf t j =25 c 10 100 1000 2000 SR250-sr2a0 sr220-sr240 www.shunyegroup.com.cn
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