B820 thru B860 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 8.0 AMPERE SMC(DO-214AB) Mechanical Data: *Case : Molded Plastic *Polarity :Indicated by cathode band *Weight : 0.007 Ounce ,0.21 grams SMC Outline Dimension Unit:mm SMC Dim A B C D E G H J WEITRON http://www.weitron.com.tw Min Max 5.59 6.22 6.60 2.75 0.15 7.11 3.18 0.31 7.75 0.10 8.13 0.20 0.76 1.52 2.00 2.62 B820 thru B860 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 B820 B830 B840 B850 B860 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=95 C IF (AV) 8.0 A IFSM 175 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 8.0A 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 CJ R qJL http://www.weitron.com.tw 0.7 0.5 50 450 V mA PF 10 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 0.55 B820 thru B860 FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE 10 300 250 8 200 6 150 4 100 RESISTIVE OR INDUCTIVE LOAD 2 0 50 25 75 100 125 150 175 50 0 8.3ms Single Half-Sine-Wave (JEDEC METHOD) 1 2 5 CASE TEMPERATURE , C FIG.3 - TYPICAL REVERSE CHARACTERISTICS 20 50 100 FIG.4 - TYPICAL FORWARD CHARACTERISTICS 1000 100 INSTANTANEOUS FORWARD CURRENT ,(A) INSTANTANEOUS REVERSE CURRENT ,(mA) 10 NUMBER OF CYCLES AT 60Hz 100 10 TJ = 100 C TJ = 75 C 1.0 TJ = 25 C 0.1 0.01 B820 ~ B840 10 B850 ~ B860 1.0 TJ = 25 C PULSE WIDTH 300us 300ua 2% Duty cycle 0.1 0 20 40 60 80 100 140 120 0.1 0.2 0.3 0.4 FIG.5 - TYPICAL JUNCTION CAPACITANCE CAPACITANCE , (pF) 10000 1000 TJ = 25 C, f= 1MHz 100 0.1 1 4 10 REVERSE VOLTAGE , VOLTS WEITRON http://www.weitron.com.tw 0.5 0.6 0.7 0.8 0.9 INSTANTANEOUS FORWARD VOLTAGE , VOLTS PERCENT OF RATED PEAK REVERSE VOLTAGE (%) 100 1.0