B340LA Low VF Surface Mount Schottky Barrier Rectifiers REVERSE VOLTAGE 40VOLTS FORWARD CURRENT 3.0 AMPERE Features: *Low Surface Mounted Applications *Metal-Semiconductor Junction with Guardring *Epitaxial Construction *Very Low Forward Voltage Drop *High Current Capability *Plastic Material Has UL Flammability Classification 94V-0 *For Use in Low Voltage, High Frequency Inverters, Free Wheeling, and Polarity Protection Applications SMA(DO-214AC) Mechanical Data *Case : Molded Plastic *Polarity :Indicated By Cathode Band *Weight : 0.002 ounces, 0.064 grams SMA Outline Dimension unit:mm B SMA A C D J H G E WEITRON http://www.weitron.com.tw Dim A B C D E G H J Min 2.20 4.00 1.27 0.15 4.48 0.10 0.76 1.70 Max 2.92 4.60 1.63 0.31 5.59 0.20 1.52 2.62 B340LA WE IT R ON Maximum Ratings and Electrical Characteristics Rating 25 C Ambient Temperature Unless Otherwise Specified. Single Phase Half Wave, 60Hz , Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Symbol B340LA Unit Maximum Recurrent Peak Reverse Voltage VRRM 40 V Maximum RMS Voltage VRMS 28 V Maximum DC Blocking Voltage VDC 40 V 3.0 A IFSM 80 A VF 0.42 V Characteristics Maximum Average Forward IF(AV) Rectified Current @TC=100 C Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 3.0A DC Maximum DC Reverse Current @Tj=25 C IR At Rated DC Blocking Voltage @Tj=100 C mA 250 PF R qJC 10 C/W TJ -55 to+125 C TSTG -55 to+150 C Operating Temperature Range Storage Temperature Range 80 CJ Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) 1.0 NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to case. WEITRON http://www.weitron.com.tw Rev.A 02-Dec-08 B340LA WE IT R ON FIG.2-MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES FIG.1- FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 3.0 2.5 1.5 1.0 0.5 0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 25 50 75 100 125 150 175 120 100 80 60 40 Pulse width 8.3ms Single Half-Sine-Wave (JEDEC METHOD) 10 0 1 2 5 20 50 100 FIG.4-TYPICAL JUNCTION CAPACITANCE FIG.3-TYPICAL FORWARD CHARACTERISTICS 1000 CAPACITANCE, (pF) 10 INSTANTANEOUS FORWARD CURRENT ,(A) 10 NUMBER OF CYCLES AT 60Hz LEAD TEMPERATURE C 1.0 0.1 100 TJ=25 C PULSEWIDTH:300us 0.01 0 0.2 0.4 0.6 0.8 TJ=25 C F=1MHz 10 1.0 0.1 1.0 FIG.5-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (mA) 100 TJ=125 C 10 TJ=100 C 1.0 0.1 0.01 TJ=25 C 0.001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) WEITRON http://www.weitron.com.tw 4.0 10.0 REVERSE VOLTAGE, VOLTS INSTANTANEOUS FORWARD VOLTAGE ,(VOLTS) 100