SR820 RECTRON THRU SEMICONDUCTOR TECHNICAL SPECIFICATION SR860 SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 to 60 Volts CURRENT 8.0 Amperes FEATURES * * * * * * Low switching noise Low forward voltage drop Low thermal resistance High current capability High surge capabitity High reliability TO-220A MECHANICAL DATA * * * * * Case: To-220A molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 2.24 grams .108 (2.75) .153 (3.9) .146 (3.7) .413 (10.5) .374 (9.5) .187 (4.7) .148 (3.8) .053 (1.3) .047 (1.2) .270 (6.9) .230 (5.8) .610 (15.5) .583 (14.8) .04MAX. (1.0) .157 (4.0) .583 (14.8) .531 (13.5) .051 (1.3) .035 (0.9) .028 (0.7) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. .022 (0.56) .014 (0.36) .126 (3.2) .102 (2.6) .091 (2.3) For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) SYMBOL SR820 SR830 SR835 SR840 SR845 SR850 SR860 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 20 30 35 40 45 50 60 Volts Maximum RMS Voltage VRMS 14 21 25 28 32 35 42 Volts VDC 20 30 35 40 45 50 60 Volts RATINGS Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at Derating Case Temperature Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) IO 8.0 Amps I FSM 150 Amps Typical Thermal Resistance (Note 1) RJC Typical Junction Capacitance (Note 3) CJ Operating Temperature Range TJ -55 to + 150 0 C T STG -55 to + 150 0 C Storage Temperature Range 0 2.5 700 450 C/ W pF ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage at 8.0A DC Maximum Average Reverse Current @T C = 25 o C at Rated DC Blocking Voltage @T C = 100 o C NOTES : 1. Thermal Resistance Junction to Case. 2. Suffix "R" for Reverse Polarity. 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. VF IR SR820 SR830 SR835 SR840 .65 SR845 SR850 .75 SR860 UNITS Volts 5.0 mAmps 50 mAmps 2002-11 FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 82 4 84 SR 0~ Single Phase Half Wave 60Hz Inductive or Resistive Load 2 5 0 50 100 CASE TEMPERATURE, ( 150 ) FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 155 8.3ms Single Half Sine-Wave (JEDED Method) TC = 150 TC = 125 1.0 TC = 75 .1 TC = 25 .01 150 SR820~SR845 SR850~SR860 145 .001 0 20 40 60 80 100 120 140 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) 135 130 125 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz 100 INSTANTANEOUS FORWARD CURRENT, (A) PEAK FORWARD SURGE CURRENT, (A) 60 R8 ~S 850 SR 6 INSTANTANEOUS REVERSE CURRENT, (mA) 8 0 FIG. 4 - TYPICAL JUNCTION CAPACITANCE 4000 JUNCTION CAPACITANCE, (pF) FIG. 2 - TYPICAL REVERSE CHARACTERISTICS 10 10 SR AVERAGE FORWARD CURRENT, (A) RATING AND CHARACTERISTIC CURVES ( SR820 THRU SR860 ) 2000 SR820~SR845 1000 800 600 400 SR850~SR860 200 100 .1 .4 1.0 4 10 REVERSE VOLTAGE, ( V ) 40 80 100 FIG. 5 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 50 SR820~SR845 10 SR850~SR860 1.0 TJ = 25 Pulse Width=300uS 1% Duty Cycle 0.1 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 INSTANTANEOUS FORWARD VOLTAGE, (V) RECTRON