sr2020 thru sr20a0 schottky barrier rectifier reverse voltage - 20 to 100 volts forward current - 20.0 amperes the plastic package carries underwriters laboratory flammability classification 94v-0 construction utilizes void-free molded plastic technique low reverse leakage high forward surge current capability high temperature soldering guaranteed: 250 c,0.25 ? (6.35mm) from case for 10 seconds 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 case 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%. volts volts volts symbols units amps amps volts v rrm v rms v dc i (av) i fsm v f 20.0 150.0 0.75 operating junction temperature range maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at tc(see fig.1) peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 10.0a 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 jc c j t j t stg 2.0 450 pf c ma typical thermal resistance (note 2) c/w storage temperature range c -65 to +150 -65 to +125 -65 to +150 15.0 50.0 0.55 0.85 550 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 80 56 80 100 70 100 70 49 70 90 63 90 sr 2020 sr 2030 sr 2050 sr 2040 sr 2060 sr 2080 sr 2070 sr 2090 sr 20a0 45 32 45 sr 2045 mdd electronic mdd catalog number dimensions in inches and (millimeters) to-220ac 0.160 (4.05) 0.140 (3.55) 0.105 (2.67) 0.095 (2.41) 0.205 (5.20) 0.195 (4.95) 0.037(0.94) 0.027(0.68) 0.635(16.13) 0.625(15.87) 0.113(2.87) 0.103(2.62) 0.154(3.91) 0.148(3.74) 0.415(10.54) max 0.410(10.41) 0.390(9.91) 0.145(3.68) 0.135(3.43) 0.350(8.89) 0.330(8.38) 1.148(29.16) 1.118(28.40) 0.590(14.22) 0.530(13.46) 0.022(0.58) 0.014(0.35) 0.110(2.79) 0.100(2.54) 0.560(14.2) 0.530(13.4) 0.057(1.45) 0.051(1.30) 0.185(4.70) 0.175(4.44) pin 1 pin 2 case 1 2 pin dia case : to-220ac molded plastic body terminals : leads solderable per mil-std-750, method 2026 polarity : as marked mounting position : any weight :0.064 ounce, 1.81 grams
ratings and characteristic curves sr2020 thru sr20a0 20 16 12 8 4 0 0 25 50 75 100 125 150 175 150 125 100 75 50 25 0.2 0.4 0.6 0.8 1.0 1.1 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 voltage, volts single phase half wave 60hz resistive or inductive load 1 10 100 0.01 0.1 1 50 10 t j =25 c 10 100 1000 2000 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 tj=75 c 8.3ms single half sine-wave (jedec method) sr2050-sr2060 sr2020-sr2045 sr2070-sr20a0 t j =25 c pulse width=300 m s 1%duty cycle sr2050-sr20a0 sr2020-sr2045 sr2050-sr20a0 sr2020-sr2045 mdd electronic
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