SR5020C RECTRON THRU SEMICONDUCTOR TECHNICAL SPECIFICATION SR5050C SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 to 50 Volts CURRENT 50 Amperes FEATURES * * * * * * * Low switching noise Low forward voltage drop Low thermal resistance High current capability High switching capability High surge capabitity High reliability TO-247 * * * * * .645 (16.0) .625 (15.9) .085 (2.16) .075 (1.90) .245 (6.2) .225 (5.7) MECHANICAL DATA Case: To-247 molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 5.1 grams .135 (3.4) .115 (2.9) .203 (5.16) .193 (4.90) .093 (2.30) .076 (1.97) .840 (21.3) .820 (20.8) .086 (2.18) .076 (1.93) .095 (2.4) .085 (2.1) .160 (4.1) .140 (3.5) .127 (3.22) .117 (2.97) .030 (.76) .020 (.51) .795 (20.2) .775 (19.7) 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. For capacitive load, derate current by 20%. .225 (5.7) .205 (5.2) .048 (1.22) .044 (1.12) Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) SYMBOL RATINGS SR5020C SR5030C SR5035C SR5040C SR5045C SR5050C UNITS Maximum Recurrent Peak Reverse Voltage VRRM 20 30 35 40 45 50 Maximum RMS Voltage VRMS 14 21 25 28 32 35 Volts VDC 20 30 35 40 45 50 Volts 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) Typical Thermal Resistance (Note 1) IO 50 Amps I FSM 400 Amps RθJC 1.0 TJ Operating Temperature Range Storage Temperature Range Volts -65 to + 125 0 -65 to + 150 T STG -65 to + 150 SYMBOL SR5020C SR5030C SR5035C SR5040C SR5045C SR5050C C/W 0 C 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 25.0A 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 “A” = Common Anode. VF IR .65 .75 UNITS Volts 10 mAmps 100 mAmps 2001-5 RATING AND CHARACTERISTIC CURVES ( SR5020C THRU SR5050C ) FIG. 2 - TYPICAL REVERSE CHARACTERISTICS 40 SR50 C 5045 20 Single Phase Half Wave 60Hz Inductive or Resistive Load 10 50C 30 0 0 50 100 CASE TEMPERATURE, ( 150 ) INSTANTANEOUS REVERSE CURRENT, (mA) 10 SR 20C~ SR50 AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 50 TC = 125 1.0 TC = 75 .1 TC = 25 .01 SR5020C~SR5045C SR5050C .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 600 INSTANTANEOUS FORWARD CURRENT, (A) PEAK FORWARD SURGE CURRENT, (A) FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 8.3ms Single Half Sine-Wave (JEDED Method) 500 400 300 200 100 0 1 2 5 10 20 NUMBER OF CYCLES AT 60Hz 50 100 100 SR5020C~SR5045C 10 SR5050C 1.0 TJ = 25 Pulse Width=300us 1% Duty Cycle 0.1 .3 .4 .5 .6 .7 .8 .9 1.0 INSTANTANEOUS FORWARD VOLTAGE, (V) RECTRON