SR3020PT THRU SR3060PT 30.0 AMPS. Schottky Barrier Rectifiers Voltage Range 20 to 60 Volts Current 30.0 Amperes TO-3P/TO-247AD Features a a a a a a a a a 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: 250°C/10seconds,0.17”(4.3mm)lead lengths at 5 lbs., (2.3kg) tension Mechanical Data a a a a a Cases: JEDEC TO-3P/TO-247AD molded plastic Terminals: Leads solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting position: Any Weight: 0.2 ounce, 5.6 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics 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% Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at Tc=100°C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 15.0A (Note 3) Maximum D.C. Reverse Current @ Tc=25°C at Rated DC Blocking Voltage @ Tc=100°C SR3020PT SR3030PT SR3040PT SR3050PT SR3060PT 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 A 275 A 0.70 1.0 75 1.5 Typical Junction Capacitance (Note 2) Operating Junction Temperature Range TJ Storage Temperature Range TSTG 750 -65 to +125 -65 to +150 Notes: 1. Thermal Resistance from Junction to Case Per Leg. Notes: 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C. Notes: 3. 300 us Pulse Width, 2% Duty Cycle - 102 - V V V 30 0.55 Typical Thermal Resistance Per Leg (Note 1) Units 500 -65 to +150 V mA mA °C/W pF °C °C RATINGS AND CHARACTERISTIC CURVES (SR3020PT THRU SR3060PT) FIG.1- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT. (A) SR3 040PT 12 60PT 18 T-30 20PT-3 SR30 24 050P AVERAGE FORWARD CURRENT. (A) 30 6 0 0 50 100 FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER LEG 300 250 200 150 100 50 0 150 1 2 5 o CASE TEMPERATURE. ( C) 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.3- TYPICAL REVERSE CHARACTERISTICS PER LEG FIG.4- TYPICAL FORWARD CHARACTERISTICS PER LEG 100 100 1.0 .10 0.01 Tj=100 0C Tj=75 0C Tj=25 0C INSTANTANEOUS FORWARD CURRENT. (A) 10 10 SR3050 THRU SR3060PT 1.0 Tj=25oC Pulse Width=300 s 2% Duty Cycle 0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) .2 .3 .4 .5 .6 .7 .8 .9 INSTANTANEODS FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG 4000 2000 JUNCTION CAPACITANCE.(pF) INSTANTANEOUS REVERSE CURRENT MILLIAMPERES SR3020 THRU SR3040PT Tj=25 0C f=1.0MHz Vsig=50mVp-p SR 302 1000 800 600 -30 40P T SR3 050 PT306 0PT 400 200 100 .1 0PT .4 1.0 4 10 REVERSE VOLTAGE. (V) - 103 - 40 100