SR4020PT TSC | Alldatasheet
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/cuspopen Dual rectifier construction, positive center-tap /cuspopen Plastic package has Underwriters Laboratory Flammability Classifications 94V-0 /cuspopen Metal silicon junction, majority carrier conduction /cuspopen Low power loss, high efficiency /cuspopen High current capability, low VF /cuspopen High surge capability /cuspopen Epitaxial construction /cuspopen For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications /cuspopen High temperature soldering guaranteed: 2 6 0 OC/ 10 seconds, 0.17”(4.3mm)lead lengths at 5 lbs., (2.3kg) tension Mechanical Data /cuspopen Cases: JEDEC TO-3P/TO-247AD molded plastic /cuspopen Terminals: Leads solderable per MIL-STD-750, Method 2026 /cuspopen Polarity: As marked /cuspopen Mounting position: Any /cuspopen Weight: 0.2 ounce, 5.6 grams TO-3P/TO-247AD Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Symbol SR 4020PT SR 4030PT SR 4040PT SR 4050PT SR 4060PT Units Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 V Maximum RMS Voltage VRMS 14 21 28 35 42 V Maximum DC Blocking Voltage VDC 20 30 40 50 60 V Maximum Average Forward Rectified Current at Tc=100℃ I(AV) 40 A Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) IFSM 400 A Maximum Instantaneous Forward Voltage 20.0A (Note 3) VF 0.55 0.70 V Maximum D.C. Reverse Current @ Tc=25 ℃ at Rated DC Blocking Voltage @ Tc=100 ℃ IR 1 . 0 mA mA Typical Thermal Resistance Per Leg (Note 1) RθJC 1.2 ℃/W Typical Junction Capacitance (Note 2) Cj 1100 600 pF Operating Junction Temperature Range TJ -65 to +125 -65 to +150 ℃ Storage Temperature Range TSTG -65 to +150 ℃ Notes: 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% Dut y Cycle
- 163 - RATINGS AND CHARACTERISTIC CURVES (SR4020PT THRU SR4060PT) FIG.2- TYPICAL REVERSE CHARACTERISTICS PER LEG INSTANTANEOUS REVERSE CURRENT .( m A ) 0 20 40 60 80 100 120 140 .001 .01 .10 1.0 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) Tc=125 C Tc=150 C Tc=25 Tc=75 C FIG.1- FORWARD CURRENT DERATING CURVE AVERAGE FOR WARD CURRENT . (A) 0 50 100 150 CASE TEMPERATURE. ( C) o SR4050-60PT SR4020-40PT FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG PEAK FOR WARD SURGE CURRENT . (A) 1 2 5 10 20 100 50 100 300 200 400 NUMBER OF CYCLES AT 60Hz 8.3ms SINGLE HALF SINE WAVE PER LEG. (JEDEC METHOD) Tj=Tj max. FIG.4- TYPICAL FORWARD CHARACTERISTICS PER LEG INSTANTANEOUS FOR WARD CURRENT . (A) 0.1 1.0 100 INSTANTANEOUS FORWARD VOLTAGE. (V) SR4020PT THRU SR4040PT SR4050PT THRU SR4060PT Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG JUNCTION CAP ACITANCE.(pF) 0.1 1.0 0.4 4 10 40 80 100 100 200 400 600 800 2000 1000 4000 REVERSE VOLTAGE. (V) SR4050-60PT SR4020-40PT