SR320 thru SR3100 REVERSE VOLTAGE - 20 to 60 Volts FORWARD CURRENT - 3.0 Amperes SCHOTTKY BARRIER RECTIFIERS DO- 27 FEATURES ● Metal-Semiconductor junction with gard ring ● Epitaxial construction ● Low forward voltage drop .052(1.3) .048(1.2) DIA. ● High current capability 1.0(25.4) MI ● The plastic material carries UL recognition 94V-0 ● For use in low vlotage, high frequency inverters, free wheeling, and polarity protection applications 210 .375(9.5) .335(8.5) .220(5.6) DIA. .197(5.0) MECHANICAL DATA ●Case: JEDEC DO-27 molded plastic 1.0(25.4) MI ●Polarity: Color band denotes cathode ●Weight: 0.04ounces , 1.1grams ●Mounting position: Any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS SYMBOL SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 80 100 V Maximum RMS Voltage VRMS 14 21 28 35 42 56 70 V VDC 20 30 40 50 60 80 100 V Maximum DC Blocking Voltage Maximum Average Forward 0.375″（9.5mm) Lead Lengths ( See Fig.1) I(AV) 3.0 A IFSM 80 A Peak Forward Surage Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load (JEDEC Method) Maximum Forward Voltage at 3.0A DC VF Maximum DC Reverse Current @TJ=25℃ at Rated DC Bolcking Voltage @TJ=100℃ Typical Junction Capacitance (Note1) Typical Thermal Resistance (Note2) Operating Temperature Range Storage Temperature Range 0.45 0.55 0.7 0.6 0.85 1.0 IR mA 20 250 CJ pF 10 20 RθJA V ℃/W TJ -55 to +150 ℃ TSTG -55 to +150 ℃ NOTES: 1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 2.Thermal resistance junction to lead, ~ 161 ~ RATING AND CHARACTERTIC CURVES SR320 thru SR3100 FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT FIG. 1 – FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT, (AMPERES） AVERAGE FORWARD CURRENT AMPERES 3.0 2.5 SR350-SR3100 2.0 1.5 SR320-SR340 1.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375″（9.5mm) LEAD LENGTHS 0.5 0 25 50 75 100 125 150 80 60 40 20 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 1 175 2 5 20 100 50 NUMBER OF CYCLES AT 60Hz LEAD TEMPERATURE (℃) FIG.3-TYPICAL FORWARD CHARACTERISTICS FIG.3 – TYPICAL JUNCTION CAPACITANCE 20 SR320 INSTANTANEOUS FORWARD CURRENT, (A) 1000 SR320-SR340 100 SR350-SR3100 T J = 25°C f = 1 MHz 10 SR330 10 SR340 SR350-SS360 1.0 SR380-SS3100 0.1 0.1 10 1 0 100 0.1 0.3 FIG.2-TYPICAL REVER CHARACTERISTICS 10 T J=100 ℃ 1.0 T J=75℃ 0.1 T J=25℃ 0.01 0.001 0 20 0.5 0.7 0.9 1.1 1.3 1.5 1.7 INSTANTANEOUS FORWARD VOLTAGE, (VOLTS) REVERSE VOLTAGE ,VOLTS INSTANTANEOUS REVERSE CURRENT(mA) CAPACITANCE, (pF) 10 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) ~ 162 ~