SB320 THRU SB360 MEDIUM CURRENT SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 60 Volts Forward Current - 3.0 Amperes FEATURES ♦ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 ♦ Metal to silicon rectifier, majority carrier conduction ♦ Low power loss, high efficiency ♦ High current capability, low VF ♦ High surge capacity ♦ Epitaxial construction ♦ Guardring for transient protection ♦ For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications ♦ High temperature soldering guaranteed: 250°C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3 kg) tension DO-201AD 1.0 (25.4) MIN. 0.210 (5.3) 0.190 (4.8) DIA. 0.375 (9.5) 0.285 (7.2) 0.052 (1.32) 0.048 (1.22) DIA. 1.0 (25.4) MIN. 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 Mounting Position: Any Weight: 0.04 ounces, 1.12 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS SB320 SB330 SB340 SB350 SB360 UNITS Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 Volts Maximum RMS voltage VRMS 14 21 28 35 42 Volts Maximum DC blocking voltage VDC 20 30 40 50 60 Volts Maximum average forward rectified current at 0.375" (9.5mm) lead length (SEE FIG. 1) I(AV) 3.0 Amps IFSM 80.0 Amps Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 3.0A (NOTE 1) Maximum instantaneous reverse current at rated DC blocking voltage (NOTE 1) TA=25°C TA=100°C Typical thermal resistance (NOTE 1) Operating junction temperature range Storage temperature range VF 0.50 0.74 0.5 IR 20.0 RΘJA RΘJL TJ TSTG mA 10.0 40.0 10.0 -65 to +125 °C/W -65 to +150 -65 to +150 NOTES: (1) Pulse test: 300µs pulse width, 1% duty cycle (2) Thermal resistance from junction to lead vertical P.C.B. mounting, 0.500" (12.7mm) lead length with 2.5 x 2.5” (63.5 x 63.5mm) copper pad 4/98 Volts °C °C RATINGS AND CHARACTERISTIC CURVES SB320 THRU SB360 FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG. 1 - FORWARD CURRENT DERATING CURVE 80 RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5mm) LEAD LENGTH 3.0 2.0 1.0 SB320 - SB340 SB350 & SB360 0 0 25 50 75 125 100 150 175 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES 4.0 TJ=TJ max. 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 70 60 50 40 30 20 10 LEAD TEMPERATURE, °C 1 10 100 NUMBER OF CYCLES AT 60 HZ FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 10 TJ=125°C PULSE WIDTH=300µs 1% DUTY CYCLE 10 INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 50 TJ=125°C TJ=25°C 1 0.1 1 0.1 TJ=75°C 0.01 TJ=25°C SB320 - SB340 SB350 & SB360 SB320 - SB340 SB350 & SB360 0.01 0 0.001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 5 - TYPICAL JUNCTION CAPACITANCE TJ=25°C f=1.0 MHz Vsig=50mVp-p 100 SB320 - SB340 SB350 & SB360 10 0.1 1 10 REVERSE VOLTAGE, VOLTS 40 60 80 100 FIG.6 - TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, °C/W JUNCTION CAPACITANCE, pF 1,000 20 PERCENT OF RATED PEAK REVERSE VOLTAGE, % 100 100 10 0.1 0 0.1 1 t, PULSE DURATION, sec. 10 100