sr120s thru sr1a0s schottky barrier rectifier reverse voltage - 20 to 100 volts forward current - 1.0 ampere case : jedec a-405 molded plastic body terminals : plated axial leads, solderable per mil-std-750, method 2026 polarity : color band denotes cathode end mounting position : any weight :0.008 ounce, 0.23 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%. a-405 0.107 (2.7) 0.080 (2.0) dia. 0.025 (0.65) 0.021 (0.55) 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 120s 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 100 70 100 sr 1a0s 70 49 70 90 63 90 storage temperature range c -65 to +150 -65 to +125 -65 to +150 10.0 0.55 0.85 110 sr 130s sr 140s sr 150s sr 160s sr 170s sr 180s sr 190s 5.0
ratings and characteristic curves sr120s thru sr1a0s 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, millamperes transient thermal impedance, c/w ambient temperature, c SR170S-sr1a0s sr120s-sr160s sr150s-sr160s sr120s-sr140s SR170S-sr1a0s 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 sr150s-sr1a0s sr120s-sr140s 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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