SRA2020 - SRA20150 20.0 AMPS. Schottky Barrier Rectifiers TO-220AC .185(4.70) .175(4.44) .412(10.5) MAX .113(2.87) .103(2.62) Features .27(6.86) .23(5.84) .594(15.1) .587(14.9) Low power loss, high efficiency. High current capability, Low VF. High reliability High surge current capability. Epitaxial construction. Guard-ring for transient protection. For use in low voltage, high frequency inventor, free wheeling, and polarity protection application PIN1 2 .16(4.06) .14(3.56) .11(2.79) .10(2.54) .56(14.22) .53(13.46) .037(0.94) .027(0.68) .025(0.64) .014(0.35) .205(5.20) .195(4.95) PIN 1 PIN 2 Mechanical Data .055(1.40) .045(1.14) DIA .154(3.91) .148(3.74) Cases: TO-220AC molded plastic Epoxy: UL 94V-0 rate flame retardant Terminals: Pure tin plated, lead free. solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: o 260 C/10 seconds.25”,(6.35mm) from case. Weight: 2.24 grams CASE Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SRA SRA SRA SRA Type Number 2020 2030 2040 Maximum Recurrent Peak Reverse Voltage 20 30 40 VRRM Maximum RMS Voltage 14 21 28 VRMS Maximum DC Blocking Voltage 20 30 40 VDC Maximum Average Forward Rectified Current I(AV) See Fig. 1 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated IFSM Load (JEDEC method ) Maximum Instantaneous Forward Voltage 0.55 VF @20A Maximum D.C. Reverse Current @ Tc=25 oC 0.5 IR at Rated DC Blocking Voltage @ Tc=100 oC 15 Typical Thermal Resistance (Note) RθJC Operating Junction Temperature Range -65 to +125 TJ Storage Temperature Range TSTG Notes: Mounted on Heatsink Size of 2” x 3” x 0.25” Al-Plate. - 138 - 2050 SRA 2060 50 35 50 60 42 60 SRA SRA SRA 2090 20100 20150 90 63 90 100 70 100 Units 150 105 150 V V V 20 A 300 A 0.70 10 1.5 0.92 1.02 V 0.1 5.0 -65 to +150 -65 to +150 mA mA o C/W o C o C Version: B07 RATINGS AND CHARACTERISTIC CURVES (SRA2020 THRU SRA20150) FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 350 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 20 SRA2050-150 16 12 SRA2020-40 8 4 300 8.3ms Single Half Sine Wave JEDEC Method 250 200 150 100 50 0 0 50 100 o CASE TEMPERATURE. ( C) 1 150 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.3- TYPICAL FORWARD CHARACTERISTICS FIG.4- TYPICAL REVERSE CHARACTERISTICS 10 50 40 -20 20 20 A SR Tj=100 0C 0 06 2 0- 05 A2 INSTANTANEOUS REVERSE CURRENT. (mA) SR SR A2 A2 09 01 50 0-2 01 00 10 SR INSTANTANEOUS FORWARD CURRENT. (A) 2 1.0 1 Tj=75 0C 0.1 Tj=25 0C 0.01 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.1 .1 .2 .3 .4 .5 .6 .7 .8 .9 0.001 1.0 FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG TRANSIENT THERMAL IMPEDANCE. ( OC/W) JUNCTION CAPACITANCE.(pF) Tj=25 0C f=1.0MHz Vsig=50mVp-p 1000 1.0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 5000 10 0.1 0 10 REVERSE VOLTAGE. (V) 100 100 FIG.6- TYPICAL TRANSIENT THERMAL CHARACTERISTICS 10 1 0.1 0.01 0.1 1 10 PULSE DURATION. (sec) Version: B07 100