ST345 GWSEMI | Alldatasheet
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Technical content
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
3.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
NOTES: 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Ambient. MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Metallurgically bonded construction * Polarity: Color band denotes cathode end * Mounting position: Any VOLTAGE RANGE
45 Volts
3.0 AmpereFEATURES
- Ideal for surface mount applications * Easy pick and place * Built-in strain relief * Low forward voltage drop TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current Ta=25 C at Rated DC Blocking Voltage Ta=100 C Typical Junction Capacitance (Note1) Typical Thermal Resistance R JA (Note 2) Operating Storage Temperature Range TSTG Temperature Range TJ at TL=100 C UNITS 45 V 45 V 32 V A A 3.0 V mA mA pF 0.5 -65 +150 0.55 220 C C/W -65 +150 C ST345 Marking Code Y345 Dimensions in inches and (millimeters) ST .106(2.70) .098(2.50) .145(3.70) .137(3.50) .007(0.20) .003(0.10) .074(1.90) .066(1.70) .033(0.85) .013(0.35) .043(1.10) .035(0.90) .038(0.98) .037(0.95) ST345
RATING AND CHARACTERISTIC CURVES (ST345) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWAARD SURGE CURRENT,(A) FIG.4-TYPICAL JUNCTION CAPACITANCE REVERSE VOLTAGE,(V) JUNCTION CAPACITANCE,(pF) 0.6 1.2 1.8 2.4 3.0 3.6 0 20 40 60 80 100 120 140 160 180 200 100 .01 .05 .1 .5 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz 1 10 5 50 100 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 0.1 1.0 .01 FIG.2-TYPICAL FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT,(A) FORWARD VOLTAGE,(V) Pulse Width 300us 1% Duty Cycle 3.0 Tj=25 CLEAD TEMPERATURE ( C) FIG.5 - TYPICAL REVERSE CHARACTERISTICS 1.0 100 REVERSE LEAKAGE CURRENT, (mA) PERCENTAGE RATED PEAK REVERSE VOLTAGE 0 20 40 60 80 100 120 140 .01 Tj=25 C Tj=100 C 1000 2000