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| RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION SR5020C THRU 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 .245 (6.2) .225 (5.7) .645 (16.0) .625 (15.9) .085 (2.16) .075 (1.90) .135 (3.4) .115 (2.9) TO-247 .203 (5.16) .193 (4.90) 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 .840 (21.3) .820 (20.8) .093 (2.30) .076 (1.97) .086 (2.18) .076 (1.93) .095 (2.4) .085 (2.1) .127 (3.22) .117 (2.97) .030 (.76) .020 (.51) .160 (4.1) .140 (3.5) 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%. .795 (20.2) .775 (19.7) .225 (5.7) .205 (5.2) .048 (1.22) .044 (1.12) Dimensions in inches and (millimeters) MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage 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) Operating Temperature Range Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM RJC TJ TSTG SR5020C SR5030C SR5035C SR5040C SR5045C SR5050C 20 14 20 30 21 30 35 25 35 50 400 1.0 -65 to + 125 -65 to + 150 -65 to + 150 40 28 40 45 32 45 50 35 50 UNITS Volts Volts Volts Amps Amps 0 C/W 0 0 C C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 25.0A DC Maximum Average Reverse Current at Rated DC Blocking Voltage NOTES : 1. Thermal Resistance Junction to Case. 2. Suffix "A" = Common Anode. @TC = 25 o C @TC = 100 o C SYMBOL VF IR SR5020C SR5030C SR5035C SR5040C SR5045C SR5050C .65 10 100 .75 UNITS Volts mAmps mAmps 2001-5 RATING AND CHARACTERISTIC CURVES ( SR5020C THRU SR5050C ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE FIG. 2 - TYPICAL REVERSE CHARACTERISTICS AVERAGE FORWARD CURRENT, (A) 50 INSTANTANEOUS REVERSE CURRENT, (mA) 10 40 SR50 SR 20C~ SR50 30 1.0 TC = 125 50C 20 Single Phase Half Wave 60Hz Inductive or Resistive Load C 5045 TC = 75 10 .1 TC = 25 0 0 50 100 ) 150 CASE TEMPERATURE, ( .01 SR5020C~SR5045C SR5050C .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 8.3ms Single Half Sine-Wave (JEDED Method) FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) PEAK FORWARD SURGE CURRENT, (A) 600 500 400 100 SR5020C~SR5045C 10 SR5050C 300 200 100 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz 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 |
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