B140LB

WEITRON Low VF Surface Mount Schottky Barrier Rectifiers 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 Mechanical Data *Case : Molded Plastic *Polarity :Indicated By Cathode Band *Weight : 0.003 ounces, 0.093 grams B140LB REVERSE VOLTAGE 40Volts FORWARD CURRENT 1.0Ampere SMB(DO-214AA) SMB Outline Dimensions Dim A B C D E G H J SMB Min 3.30 4.06 1.96 0.15 5.00 0.10 0.76 2.00 Unit:mm Max 3.94 4.80 2.21 0.31 5.59 0.20 1.52 2.62 http://www.weitron.com.tw WEITRON B140LB 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%. WE IT R ON Characteristics Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TC=100 C Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous Forward Voltage @IF=1.0A @ T j=25 C @ T j=100 C Maximum DC Reverse Current @Tj=25 C At Rated DC Blocking Voltage @Tj=100 C Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Operating Temperature Range Storage Temperature Range Symbol VRRM VRMS VDC IF (AV) B140LB 40 28 40 1.0 40 Unit V V V A IFSM A VF IR CJ RAJC TJ TSTG 0.38 0.35 1.0 25 100 35 -55 to+125 -55 to+150 V mA P F C/W C C NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to case. WEITRON h t t p : // w w w . w e i t r o n . c o m . t w B140LB FIG1.-FORWARD CURRENT DERATION CURVE AVERAGE FORWARD CURRENT AMPERES 1.25 1.00 0.75 0.50 0.25 0 50 40 30 20 10 0 Pulse Width 8.3ms Single Half-Sine-Wave (JEDEC METHOD) W E IT R ON FIG.2-MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 20 40 60 80 100 120 140 1 2 5 10 20 50 100 CASE TEMPERATURE C NUMBER OF CYCLES AT 60HZ 10 INSTANTANEOUS FORWARD CURRENT, (A) FIG.3-TYPICAL FORWARD CHARACTERISTICS 1000 FIG4.-TYPICAL JUNCTION CAPACITANCE CAPACITANCE, (PF) TJ=25 C PLUSEWIDTH 300us 1.0 100 TJ=25 C F=1MHZ 10 0.1 1.0 4.0 10.0 REVERSE VOLTAGE, (VOLTS) 100 0.1 0 0.2 0.4 0.6 0.8 1.0 INSTANTANEOUS FORWARD VOLTAGE, (VOLTS) FIG5.-TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT. (mA) 10 TJ =125 C 1.0 TJ =100 C 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.