B550

B520 thru B560 Surface Mount Schottky Barrier Rectifiers 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 REVERSE VOLTAGE 20 TO 60 VOLTS FORWARD CURRENT 5.0 AMPERE Mechanical Data: *Case : Molded Plastic *Polarity :Indicated by cathode band *Weight : 0.007 Ounce ,0.21 grams SMC(DO-214AB) SMC Outline Dimension SMC Dim Unit:mm A B C D E G H J Min Max 5.59 6.60 2.75 0.15 7.75 0.10 0.76 2.00 6.22 7.11 3.18 0.31 8.13 0.20 1.52 2.62 WEITRON http://www.weitron.com.tw 1/3 Rev.B 10-Jul-09 B520 thru B560 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 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TC=80 C 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) Typical Thermal Resistance (Note 2) Operating Temperature Range Storage Temperature Range Symbol B520 B530 B540 B550 B560 Unit VRRM VRMS VDC IF (AV) 20 14 20 30 21 30 40 28 40 5.0 50 35 50 60 42 60 V V V A IFSM VF IR CJ R qJL TJ TSTG 0.55 110 0.7 0.5 20 300 10 -55 to+125 -55 to+150 A V mA PF C/W C C 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 2/3 Rev.B 10-Jul-09 B520 thru B560 FIG.1 FORDWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 5.0 4.0 3.0 2.0 1.0 0 SIGNE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD FIG.2 MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES 300 250 200 150 100 50 0 1 2 5 10 20 50 100 PULSE WIDTH 8.3ms SINGLE MALF-SINE-WAVE (JEDEC METHOD) 20 40 60 80 100 120 140 LEAD TEMPERATURE , C NUMBER OF CYCLES AT 60Hz FIG.3 TYPICAL FORWARD CHARACTERISTICS 100 INSTANTANEOUS FORWARD CURRENT,(A) 1000 FIG.4 TYPICAL JUNCTION CAPACITANCE 10 CAPACITANCE , (pF) B520 to B540 B550 to B560 100 1.0 TJ=25 C PULSEWIDTH:300us 2% Duty Cycle 0.1 0 0.2 0.4 0.6 0.8 1.0 INSTANTANEOUS FORWARD VOLTAGE, (VOLTS) 10 0.1 TJ=25 C F=1MHz 1.0 4.0 10.0 100 REVERSE VOLTAGE , (VOLTS) FIG.5 TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT ,(mA) 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, (%) http://www.weitron.com.tw WEITRON 3/3 Rev.B 10-Jul-09