CE SR320 THRU SR3A0 CHENYI ELECTRONICS SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 60 Volts Forward Current - 1.0Ampere FEATURES . Plastic package has Underwriters Laboratory Flammability Classification 94V-0 . Metal sliicon junction ,majority carriet conduction . Guard ring for overcoltage 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 polarilty protection applications . High temperature soldering guaranteed: 250 /10 seconds at terminals, 0.375"(9.5mm)lead length, 5lbs.(2.3kg)tension MECHANICAL DATA . Case: JEDEC DO-201AD molded plastic body . Terminals: plated axial leads,solderable per MIL-STD-750,method 2026 . Polarity: coler band denotes cathode end . Mounting Position: Any . Weight: 0.041 ounce, 1.15 gram 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%) Symbols SR320 SR330 SR340 SR350 SR360 SR380 SR3A0 Units Maximum repetitive peak reverse voltage V RRM 20 30 40 50 60 80 100 Volts Maximum RMS voltage V RMS 14 21 28 35 42 57 71 Volts Maximum DC blocking voltage V DC 20 30 40 50 60 80 100 Volts Macimum average forward rectified I(AV) 3.0 Amp IFSM 80.0 Amps current 0.375"(9.5mm)lead length (see Fig.1) Peak forward surge current 8.3ms singel half sine-wave superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 3.0 A(Note 1) Maximum instantaneous reverse TA=25 current at rated DC blocking voltage(Note 1) TA=100 CJ R R Typeical thermal resistance(Note 2) Operating junction temperature range Volts mA 10 250 160 40.0 JL 10.0 -65 to +125 TSTG s 0.85 20 JA TJ storage temperature range 0.70 1.5 IR Typeical junction capacitance(Note 3) Notes: 1. Pulse test: 300 0.55 VF pF /W -65 to +150 -65 to +150 pulse width,1% duty cycle 2.Thermal resistance from juntion to lead vertical P.C.B. Mounted, 0.5"(12.7mm)lead length Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of 2 CE SR320 THRU SR3A0 CHENYI ELECTRONICS SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 60 Volts Forward Current - 1.0Ampere with 2.5X2.5"(63.5X63.5mm)copper pads 3.Measure a 1MHz and reverse voltage of 4.0volts RATINGS AND CHARACTERISTIC CURVES SR320 THRU SR3A0 FLG.1-FORWARD CURRENT DERATING CURVE FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2 of 2