SR4020PT - SR40150PT 40.0 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 High temperature soldering guaranteed: 260oC/ 10 seconds, 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 o Rating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% SR SR Symbol SR Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at o Tc=100 C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage 20.0A (Note 3) o Maximum D.C. Reverse Current @ Tc=25 C o at Rated DC Blocking Voltage @ Tc=100 C Typical Junction Capacitance (Note 2) Typical Thermal Resistance Per Leg (Note 1) Operating Junction Temperature Range 4030 PT 4040 PT SR 4050 PT SR 4060 PT 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 SR SR SR 4090 40100 40150 PT PT PT 90 63 90 100 70 100 Units 150 105 150 V V V I(AV) 40 A IFSM 400 A VF IR Cj RθJC TJ TSTG 0.55 0.70 1.0 30 1100 -65 to +125 20 600 1.2 0.90 0.5 10 550 1.00 V mA mA o -65 to +150 -65 to +150 1. Thermal Resistance from Junction to Case Per Leg, with Heatsink size (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 Storage Temperature Range Notes: VRRM VRMS VDC 4020 PT - 168 - pF C/W o C o C Version: B07 RATINGS AND CHARACTERISTIC CURVES (SR4020PT THRU SR40150PT) FIG.1- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT. (A) 400 40 PT 20 PT -40 -150 020 050 30 SR4 SR4 AVERAGE FORWARD CURRENT. (A) 50 10 0 50 100 o CASE TEMPERATURE. ( C) 300 200 150 10 PT -S R4 01 00 PT INSTANTANEOUS REVERSE CURRENT. (mA) T 0P 06 R4 S PT 50 40 SR SR 40 15 0P T SR 40 90 10 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.3- TYPICAL FORWARD CHARACTERISTICS PER LEG SR 40 20 PT -S R4 04 0P T INSTANTANEOUS FORWARD CURRENT. (A) 100 8.3ms SINGLE HALF SINE WAVE PER LEG. (JEDEC METHOD) Tj=Tj max. 100 0 FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG 1 FIG.4- TYPICAL REVERSE CHARACTERISTICS PER LEG 1 0 TJ=100 C 0 TJ=75 C 0.1 0 TJ=25 C 0.01 0 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE 0.1 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.001 1.0 INSTANTANEOUS FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG TRANSIENT THERMAL IMPEDANCE. ( OC/W) JUNCTION CAPACITANCE.(pF) 2000 SR4020 -40PT SR405 0-150 PT 400 200 100 0.1 0.4 1 4 10 REVERSE VOLTAGE. (V) 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 4000 1000 800 600 0 40 80 100 100 FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE PER LEG 10 1 0.1 0.01 0.1 1 T, PULSE DURATION. (sec) 10 Version: B07 100