sr120 thru sr1200 schottky barrier rectifier reverse voltage - 20 to 200 volts forward current - 1.0 ampere case : jedec do-41 molded plastic body terminals : plated axial leads, solderable per mil-std-750, method 2026 polarity : color band denotes cathode end mounting position : any weight :0.012 ounce, 0.33 grams features mechanical data maximum ratings and electrical characteristics dimensions in inches and (millimeters) 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%. do-41 0.107 (2.7) 0.080 (2.0) dia. 0.034 (0.86) 0.028 (0.70) dia. 1.0 (25.4) min. 0.205 (5.2) 0.160(4.1) 1.0 (25.4) min. 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 120 volts volts volts symbols units amp amps volts v rrm v rms v dc i (av) i fsm v f 1.0 40.0 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 1.0a maximum dc reverse current t a =25 c at rated dc blocking voltage t a =100 c typical junction capacitance (note 1) i r 0.5 r q ja c j t j , t stg 50.0 80 pf c ma typical thermal resistance (note 2) c/w sr 130 sr 150 sr 140 sr 160 sr 180 sr 170 sr 190 100 70 100 sr 1a0 70 49 70 90 63 90 storage temperature range c -50 to +150 -50 to +125 -50 to +150 10.0 5.0 0.55 0.85 110 150 105 150 sr 1150 200 140 200 sr 1200 0.95 0.2 2.0 mdd catalog number
ratings and characteristic curves sr120 thru sr1200 1 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 175 40 32 24 16 8 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 voltage, 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 80 100 100 10 1 0.1 0.01 0.001 tj=25 c tj=100 c percent of peak reverse voltage,% fig. 4-typical reverse characteristics instantaneous reverse current, milliamperes transient thermal impedance, c/w ambient temperature, c sr170-sr1200 sr120-sr160 SR150-sr160 sr120-sr140 sr170-sr1150 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 SR150-sr1200 sr120-sr140 sr1200 the cruve g ra p h is for reference onl y , can't be the basis for j ud g ment ( ? ) !
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