CURRENT 3.0Amperes VOLTAGE 20 to 100 Volts SR302 THRU SR3100 Features * Plastic Package has Underwriters Laboratory Flammability Classification 94V-0 * Metal silicon junction, majority carrier conduction * Guard ring for overvoltage 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 * High temperature soldering guaranteed : 250/10 seconds at terminals, 0.375" (9.5mm) lead length, 5lbs. (2.3Kg) tension DO-201AD 0.210(5.3) 0.188(4.8) DIA. 1.0(25.4) MIN. 0.375(9.5) 0.285(7.2) Mechanical Data * Case : JEDEC DO-201AD molded plastic body * Terminals : Plated axial leads, solderable per MIL-STD-750, Method 2026 * Polarity : Color band denotes cathode end * Mounting Position : Any * Weight : 0.041 ounce, 1.15 gram 1.0(25.4) MIN. 0.042(1.1) 0.037(0.9) DIA. Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics (Ratings at 25 ambient temperature unless otherwise specified, single phase, half wave, resistive or inductive load. For capacitive load, derate by 20%) SR308 SR3100 Units Symbols SR302 SR303 SR304 SR305 SR306 Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 80 100 Volts Maximum RMS voltage VRMS 14 21 28 35 42 56 70 Volts Maximum DC blocking Voltage VDC 20 30 40 50 60 80 100 Volts Maximum average forward rectified current 0.375"(9.5mm) lead length(see Fig. 1) I(AV) 3.0 Amps Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 80.0 Amps Maximum instantaneous forward voltage at 3.0A (Note 1) VF Maximum instantaneous reverse current at rated DC blocking voltage (Note1) IR Typical junction capacitance (Note 3) Typical thermal resistance (Note 2) Operating junction temperature range Storage temperature range 0.55 0.70 TA=25 TA=100 0.85 Volts 1.0 CJ 20 10 250 160 RJA RJL TJ TSTG 20.0 10.0 -65 to +125 Notes: (1) Pulse test: 300S pulse width, 1% duty cycle (2) Thermal resistance from junction to lead vrtical P.C.B. mounted, 0.5"(12.7mm) lead length with 2.5X2.5"(63.5X63.5mm) copper pads (3) Measured 1MHz and reverse voltage of 4.0 volts PF /W -65 to +150 -65 to +150 mA RATINGS AND CHARACTERISTIC CURVES SR302 THRU SR3100 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-FORWARD CURRENT DERATING CURVE 50 AVERAGE FORWARD CURRENT AMPERES 4.0 SR302-SR304 - - - SR305-SR3100 PEAK FORWARD SURGE CURRENT(AMPERES) 2.0 1.0 0 RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5MM) LEAD LENGTH 0 20 50 75 100 125 150 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 40 3.0 175 30 20 10 0 1 LEAD TEMPERATURE () 10 100 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 10 INSTANTANEOUS REVERSE CURRENT MILL (AMPERES) INSTANTANEOUS FORWARD CURRENT (AMPERES) TJ=125 10 PULSE WIDTH=300 1% DUTY CYCLE 1 TJ=25 0.1 SR302-SR304 - - - SR305-SR3100 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TJ=125 1 TJ=75 0.1 0.01 0.001 1.6 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) SR302-SR304 - - - SR305-SR3100 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE TJ=25 f=1.0MHz Vsig=50mVp-p 100 SR302-SR304 - - - SR305-SR3100 10 0.1 1 10 REVERSE VOLTAGE. VOLTS 100 TRANSIENT THERMAL IMPEDANCE,/ W 100 1000 JUNCTION CAPACITANCE(pF) TJ=25 10 1 0.1 0.01 0.1 1 T, PULSE DURATION, sec. 10 100