SR820 thru sr8a0 schottky barrier rectifier reverse voltage - 20 to 100 volts forward current - 8.0 amperes 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 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%. 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 80 56 80 volts volts volts symbols units amps amps volts v rrm v rms v dc i (av) i fsm v f 8.0 150.0 0.75 operating junction temperature range maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current (see fig.1) peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 8.0a 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 3.0 250 pf c ma typical thermal resistance (note 2) c/w 100 70 100 70 49 70 90 63 90 storage temperature range c -65 to +150 -65 to +125 -65 to +150 15.0 50.0 0.65 0.85 300 sr 820 sr 830 sr 850 sr 840 sr 860 sr 880 sr 870 sr 890 sr 8a0 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 45 32 45 sr 845 mdd electronic mdd catalog number
ratings and characteristic curves SR820 thru sr8a0 10 8 6 4 2 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 sr850-sr8a0 SR820-sr845 8.3ms single half sine-wave (jedec method) sr850-sr860 SR820-sr845 sr870-sr8a0 t j =25 c pulse width=300 m s 1%duty cycle sr850-sr8a0 SR820-sr845 mdd electronic
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