SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 60 Volts Forward Current - 30Amperes FEATURES Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction ,majority carrier conduction Guard ring for over voltage protection Low power loss ,high efficiency High current capability ,Low forward voltage drop High surge capability For use in low voltage ,high frequency inverters, free wheeling ,and polarity protection applications Dual rectifier construction High temperature soldering guaranteed:250 C/10 seconds, 0.17"(4.3mm)from case MECHANICAL DATA Case: JEDEC TO-3P molded plastic body Terminals: Lead solderable per MIL-STD-750,method 2026 Polarity: As marked, No suffix indicates Common Cathode, Dimensions in inches and (millimeters) suffix"A" indicates Common Anode Mounting Position: Any Weight: 0.20ounce, 5.6 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 C ambient temperature unless otherwise specified ,Single phase ,half wave ,resistive or inductive load. For capacitive load,derate by 20%.) Maximum DC blocking voltage VRRM VRMS VDC Maximum average forward rectified current (See Fig 1) Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum repetitive peak reverse voltage Maximum RMS voltage 40 45 50 60 21 28 32 35 42 20 30 40 45 50 60 Volts Volts Volts A mps IFSM 300.0 A mps VF IR T A =100 C 30 14 I(AV) Maximum instantaneous reverse current at rated DC blocking voltage(Note 1) T A =25 C 20 30.0 Maximum instantaneous forward voltage at 15 A(Note 1 ) Typical thermal resistance (Note 2) R Operating junction temperature range TJ TSTG Storage temperature range 0.75 0.65 1.0 5.0 60.0 100 1.4 JC -65 to+125 Notes: 1.Pulse test: 300 s pulse width,1% duty cycle 2.Thermal resistance from junction to case mA C/W -65 to+150 -65 to+150 Volts C C FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT SR3020 - SR3045 SR3050 - SR3060 PEAK FORW ARD SURGE CURRENT(AM PERES) AVERAGE FO RWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE SINGLE PHASE HALF WAVE 50Hz INDUCTIVE OR RESISTIVE LOAD 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) LEAD TEMPERATURE ( C) NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS SR3020-SR3045 IN STANTANEOUS REV ERSE C URRENT M ILL (AM PERES) IN STAN TANEOUS FORWARD C URRENT( AMPERES) SR3050-SR3060 TJ=25 C PULSE WIDTH=300 S 1% DUTY CYCLE Tc=125 C Tc=75 C Tc=25 C INSTANTANEOUS FORWARD VOLTAGE (VOLTS) SR3020-SR3045 SR3050-SR3060 PERCENT OF RATED PEAK REVERSE VOLTAGE