B220 thru B260 Surface Mount Schottky Barrier Rectifiers Feature: *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 REVERSE VOLTAGE 20 TO 60 VOLTS FORWARD CURRENT 2.0 AMPERE Mechanical Data *Case : Molded Plastic *Polarity :Indicated by cathode band *Weight : 0.003 Ounce ,0.093 grams SMB(DO-214AA) SMB Outline Dimension Unit:mm Dim A B C D E G H J WEITRON http://www.weitron.com.tw SMB Min Max 3.30 3.94 4.06 1.96 0.15 4.80 2.21 0.31 5.00 0.10 5.59 0.20 0.76 1.52 2.00 2.62 B220 thru B260 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%. Characteristics Symbol B220 B230 B240 B250 B260 Unit Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 V Maximum RMS Voltage VRMS 14 21 28 35 42 V Maximum DC Blocking Voltage VDC 20 30 40 50 60 V Maximum Average Forward Rectified Current @TC=100 C IF(AV) 2.0 A IFSM 50 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 2.0A 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 0.7 0.5 20 V mA CJ 200 PF R θJL 15 C/W TJ -55 to+125 C TSTG -55 to+150 C NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to case. WEITRON 0.5 B220 thru B260 FIG.2 MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT AMPERES FIG.1 FORDWARD CURRENT DERATING CURVE 2.0 1.0 SIGNE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 25 50 75 100 175 150 125 60 50 40 30 20 PULSE WIDTH 8.3ms SINGLE MALF-SINE-WAVE (JEDEC METHOD) 10 0 1 2 5 50 100 NUMBER OF CYCLES AT 60Hz LEAD TEMPERATURE , C FIG.3 TYPICAL FORWARD CHARACTERISTICS FIG.4 TYPICAL JUNCTION CAPACITANCE 1000 10 B220 to B240 1.0 CAPACITANCE , (pF) INSTANTANEOUS FORWARD CURRENT,(A) 20 10 B250 to B260 0.1 TJ=25 C PULSEWIDTH:300us .01 0 0.2 0.4 0.8 0.6 100 TJ=25 C F=1MHz 10 1.0 0.1 1.0 INSTANTANEOUS FORWARD VOLTAGE, (VOLTS) INSTANTANEOUS REVERSE CURRENT ,(mA) FIG.5 TYPICAL REVERSE CHARACTERISTICS 100 10 TJ=125 C 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) 100