B370A thru B3100A Surface Mount Schottky Barrier Rectifiers * “G” Lead(Pb)-Free REVERSE VOLTAGE 70 TO 100 VOLTS FORWARD CURRENT 3.0 AMPERE Features: *For Surface Mount Application *Metal-Semiconductor Junction With Guardring *Epitaxial Construction *Very Low Forward Voltage Drop *High Current Capability *Plastic Meterial Has UL Flammability Classification 94V-0 *For Use In Low , And Polarity Protection Applications * "G" Lead(Pb)-Free(External Plating) SMA(DO-214AC) Mechanical Data *Case : Molded Plastic *Polarity :Indicated by cathode band *Weight : 0.002 Ounce ,0.064 grams SMA Outline Dimension Unit:mm B A C D J G H E WEITRON http://www.weitron.com.tw Dim A B C D E G H J SMA 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 B370A thru B3100A 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%. Characteristic Symbol B370A B380A B390A B3100A Unit Maximum Recurrent Peak Reverse Voltage VRRM 70 80 90 100 Maximum RMS Voltage VRMS 49 56 63 70 Maximum DC Blocking Voltage V DC 70 80 90 100 Maximum Average Forward Rectified Current @Tc=90 C I F(AV) 3.0 I FSM 100 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 At Rated DC Blocking Voltage @Tj=100 C Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Operating Temperature Range Storage Temperature Range VF IR http://www.weitron.com.tw 0.5 20 CJ R qJL 100 TJ -55 to+125 TSTG -55 to+150 NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to case. WEITRON 0.85 10 PF WE IT R ON PEAK FORWARD SURGE CURRENT AMPERES 30 120 100 AMPERES AVERAGE FORWARD CURRENT B370A thru B3100A 20 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0 20 40 60 80 100 120 140 LEAD TEMPERATURE , C 60 40 Pulse Width 8.3ms Single Half-Sine-Wave (JEDEC METHOD) 20 0 1 2 5 20 10 50 100 NUMBER OF CYCLES AT 60Hz FIG.1 Forward Current Derating Curve FIG.2 Maximum Non-Repetitive Surge CURRENT 1000 10 1.0 CAPACITANCE(PF) INSTANTEOUS FORWARD CURRENT(A) 80 0.1 100 Tj =25 C Pulse Width:300us 0.01 0.2 0.4 0.6 0.8 1.0 Tj =25 C F=1MHz 10 0.1 1.2 1.0 INSTANTANEOUS FORWARD VOLTAGE(VOLTS) INSTANTEOUS REVERSE CURRENT(mA) Tj =125 C 10 Tj =100 C 1.0 0.1 Tj =25 C 0.01 0.001 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE(%) FIG.5 Typical Reverse Characteristics WEITRON http://www.weitron.com.tw 100 FIG.4 Typical Junction Capacitance 100 20 10.0 REVERSE VOLTAGE(VOLTS) FIG.3 Typical Forward Characteristics 0 4.0