SR1620PT THRU SR1660PT 16.0 AMPS. Schottky Barrier Rectifiers Voltage Range 20 to 60 Volts Current 16.0 Amperes 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/10 seconds, 0.17”(4.3mm)lead lengths at 5 lbs., (2.3kg) tension Mechanical Data 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℃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 Units Type Number 1620PT 1630PT 1640PT 1650PT 1660PT 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 (See Fig. 1) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 8.0A (Note 3) Maximum D.C. Reverse Current @ Tc=25℃ at Rated DC Blocking Voltage @ Tc=100℃ Typical Thermal Resistance Per Leg (Note 1) Typical Junction Capacitance (Note 2) Operating Junction Temperature Range I(AV) 16 A IFSM 200 A VF IR RθJC Cj TJ TSTG 0.55 0.70 0.5 50 3.0 700 400 -65 to +125 -65 to +150 -65 to +150 V mA mA ℃/W pF ℃ ℃ Storage Temperature Range Notes: 1. Thermal Resistance from Junction to Case Per Leg, Mount on Heatsink Size of 2 in x 3 in x 0.25 in Al-Plate. 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C. 3. 300 us Pulse Width, 2% Duty Cycle - 170 - RATINGS AND CHARACTERISTIC CURVES (SR1620PT THRU SR1660PT) FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER LEG FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT AMPERES 20.0 16.0 SR 165 620 0PT 164 PT- 8.0 6 -16 0PT SR1 12.0 0PT 4.0 300 200 150 100 50 0 0 50 100 8.3ms Single Half Sine Wave JEDEC Method 250 1 150 2 5 o INSTANTANEOUS FORWARD CURRENT AMPERES Tj=75OC 1.0 50 100 100 10 SR1620PT THRU SR1640PT 1.0 0.1 SR1650PT THRU SR1660PT O Tj=25 C Tj=25oC Pulse Width=300 s 2% Duty Cycle 0.1 0 0 .1 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) .2 .3 .4 .5 .6 .7 .8 INSTANTANEOUS FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG 4000 2000 CAPACITANCE.(pF) INSTANTANEOUS REVERSE CURRENT MILLIAMPERES Tj=100OC 20 FIG.4- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG FIG.3- TYPICAL REVERSE CHARACTERISTICS PER LEG 100 10 10 NUMBER OF CYCLES AT 60Hz CASE TEMPERATURE. ( C) 1000 SR1620PT -1640PT 800 600 SR1650 400 PT-1660 PT 200 100 .1 .4 1.0 4 10 REVERSE VOLTAGE. (V) - 171 - 40 100