B520B thru B560B Surface Mount Schottky Barrier Rectifiers REVERSE VOLTAGE 20 TO 60 VOLTS FORWARD CURRENT 5.0 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 Mechanical Data SMB(DO-214AA) *Case : Molded Plastic *Polarity :Indicated by cathode band *Weight : 0.003 Ounce ,0.093 grams SMB Outline Dimension Unit:mm SMB Dim A B C D E G H J WEITRON http://www.weitron.com.tw 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 B520B thru B560B 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 B520B B530B B540B B550B B560B 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=80 C IF(AV) 5.0 A IFSM 175 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 5.0A DC Maximum DC Reverse Current @Tj=25 C At Rated DC Blocking Voltage @Tj=100 C Typical Junction Capacitance (Note 1) VF IR 0.55 0.7 0.5 20 V mA 300 PF 10 C/W Typical Thermal Resistance (Note 2) CJ R qJL Operating Temperature Range TJ -55 to+125 C TSTG -55 to+150 C Storage Temperature Range 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 B520B thru B560B FIG.2 MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT AMPERES FIG.1 FORDWARD CURRENT DERATING CURVE 5.0 4.0 3.0 2.0 1.0 0 SIGNE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 20 60 40 80 140 120 100 300 250 PULSE WIDTH 8.3ms SINGLE MALF-SINE-WAVE (JEDEC METHOD) 200 150 100 50 0 1 2 5 FIG.3 TYPICAL FORWARD CHARACTERISTICS 50 100 FIG.4 TYPICAL JUNCTION CAPACITANCE 1000 CAPACITANCE , (pF) 100 INSTANTANEOUS FORWARD CURRENT,(A) 20 10 NUMBER OF CYCLES AT 60Hz LEAD TEMPERATURE , C B520B to B540B 10 B550B to B560B 1.0 100 TJ=25 C PULSEWIDTH:300us 2% Duty Cycle TJ=25 C 10 0.1 0 0.2 0.4 0.6 0.8 1.0 F=1MHz 0.1 1.0 FIG.5 TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT ,(mA) 100 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 10.0 REVERSE VOLTAGE , (VOLTS) INSTANTANEOUS FORWARD VOLTAGE, (VOLTS) 10 4.0 100