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| SRA2020 THRU SRA2060 20.0 AMPS. Schottky Barrier Rectifiers Voltage Range 20 to 60 Volts Current 20.0 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability .113(2.87) .103(2.62) TO-220A .185(4.70) .175(4.44) .412(10.5) MAX DIA .154(3.91) .148(3.74) .27(6.86) .23(5.84) .594(15.1) .587(14.9) .055(1.40) .045(1.14) Mechanical Data Cases: TO-220A molded plastic Epoxy: UL 94V-O rate flame retardant Terminals: Leads solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: 260OC/10 seconds.25",(6.35mm) from case. Weight: 2.24 grams .16(4.06) .14(3.56) .037(0.94) .027(0.68) PIN1 2 .11(2.79) .10(2.54) .56(14.22) .53(13.46) .205(5.20) .195(4.95) .025(0.64) .014(0.35) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Symbol SRA SRA SRA 2020 2030 2040 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current See Fig. 1 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @20.0A Maximum D.C. Reverse Current @ Tc=25 at Rated DC Blocking Voltage @ Tc=100 Typical Thermal Resistance (Note) Operating Junction Temperature Range SRA 2050 50 35 50 SRA 2060 60 42 60 Units V V V A A VRRM VRMS VDC I(AV) IFSM VF IR 20 14 20 30 21 30 40 28 40 20.0 300 0.55 1.0 50 1.5 0.70 V mA mA /W RJC TJ -65 to +125 -65 to +150 Storage Temperature Range TSTG -65 to +150 Notes: Mounted on Heatsink Size of 2 in x 3 in x 0.25 in Al-Plate. - 178 - RATINGS AND CHARACTERISTIC CURVES (SRA2020 THRU SRA2060) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 20 AVERAGE FORWARD CURRENT. (A) FIG.2- TYPICAL REVERSE CHARACTERISTICS 10 Tj=100 0C SRA2050-60 16 INSTANTANEOUS REVERSE CURRENT. (mA) 12 SRA2020-40 8 1.0 Tj=75 0C .10 4 0 0 50 CASE TEMPERATURE. ( C) o 100 150 Tj=25 0C .01 FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 350 PEAK FORWARD SURGE CURRENT. (A) .001 300 8.3ms Single Half Sine Wave JEDEC Method 250 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.4- TYPICAL FORWARD CHARACTERISTICS 50 200 100 INSTANTANEOUS FORWARD CURRENT. (A) 150 10 SRA2020-40 50 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz SRA2050-60 1.0 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.1 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 FORWARD VOLTAGE. (V) - 179 - |
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