SR2020PT - SR20150PT 20.0 AMPS. Schottky Barrier Rectifiers TO-3P/TO-247AD Features Dual rectifier construction, positive center-tap Plastic package has Underwriters Laboratory Flammability Classifications 94V-0 Metal silicon junction, majority carrier conduction Low power loss, high efficiency High current capability, low VF High surge capability Epitaxial construction For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications Guardring for transient protection High temperature soldering guaranteed: 260oC/10seconds,0.17”(4.3mm)lead lengths at 5 lbs., (2.3kg) tension Mechanical Data Dimensions in inches and (millimeters) Cases: JEDEC TO-3P/TO-247AD molded plastic Terminals: Pure tin plated, lead free. solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting position: Any Weight: 0.2 ounce, 5.6 grams 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 SR SR SR SR SR SR SR Type Number 2020 2030 2040 2050 2060 2090 2100 PT PT PT PT PT PT PT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 90 100 Maximum RMS Voltage VRMS 14 21 28 35 42 63 70 Maximum DC Blocking Voltage VDC 20 30 40 50 60 90 100 Maximum Average Forward Rectified I(AV) 20 Current at Tc=105 oC Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated IFSM 200 Load (JEDEC method ) Maximum Instantaneous Forward Voltage @10.0A (Note 3) Maximum D.C. Reverse Current at Rated DC Blocking Voltage o @ Tc=25 C o @ Tc=100 C Typical Junction Capacitance (Note 2) Typical Thermal Resistance Per Leg (Note 1) Operating Junction Temperature Range VF 0.55 IR Cj RθJC TJ TSTG 15 600 0.70 0.5 -65 to +125 10 400 1.5 0.92 0.1 5.0 350 -65 to +150 Storage Temperature Range -65 to +150 Notes: 1. Thermal Resistance from Junction to Case Per Leg, with Heatsink size of 4” x 6” x 0.25” Al-Plate. 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C. 3. 300 us Pulse Width, 2% Duty Cycle - 152 - SR 2150 PT 150 105 150 Units V V V A A 1.02 V mA mA pF o C/W o C o C Version: B07 RATINGS AND CHARACTERISTIC CURVES (SR2020PT THRU SR20150PT) FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER LEG FIG.1- FORWARD CURRENT DERATING CURVE 300 050P PT 50PT 12.0 1 T-20 -2040 20PT 16.0 PEAK FORWARD SURGE CURRENT. (A) SR2 SR20 AVERAGE FORWARD CURRENT. (A) 20.0 8.0 4.0 8.3ms Single Half Sine Wave PER LEG. (JEDEC Method) Tj=Tj max. 250 200 150 100 50 0 0 50 100 150 1 2 o 5 10 20 NUMBER OF CYCLES AT 60Hz CASE TEMPERATURE. ( C) FIG.3- TYPICAL FORWARD CHARACTERISTICS 100 10 50 100 FIG.4- TYPICAL REVERSE CHARACTERISTICS PER LEG INSTANTANEOUS REVERSE CURRENT. (mA) PT 40 T PT 50 0P PT -2 20 06 20 90 SR -2 PT 00 2 SR 10 01 -20 PT 0 02 SR 20 15 0P T SR INSTANTANEOUS FORWARD CURRENT. (A) 0 Tj=100 C 1.0 Tj=25oC Pulse Width=300 s 2% Duty Cycle 0.1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 1.0 .10 .001 FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG CAPACITANCE.(pF) TRANSIENT THERMAL IMPEDANCE. ( OC/W) Tj=25 0C f=1.0MHz Vsig=50mVp-p 1000 800 600 SR2050PT-2060PT 400 200 SR2090PT-20150PT 100 .1 .4 1 4 10 REVERSE VOLTAGE. (V) 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 4000 SR2020PT-2040PT C .01 INSTANTANEOUS FORWARD VOLTAGE. (V) 2000 0 25 Tj= 40 100 100 FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE PER LEG 10.0 1 0.1 0.01 0.1 1 10 T, PULSE DURATION. (sec) Version: BO7 100