B820 WEITRON | Alldatasheet
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Technical content
*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 *Case : Molded Plastic *Polarity :Indicated by cathode band *Weight : 0.007 Ounce ,0.21 grams REVERSE VOLTAGE
20 TO 60 VOLTS
8.0 AMPERE
Unit:mmSMC Outline Dimension Surface Mount Schottky Barrier Rectifiers SMC 5.59 6.22 6.60 7.11 2.75 3.18 0.15 0.31 7.75 8.13 0.10 0.20 0.76 1.52 2.00 2.62 SMC(DO-214AB) WEITRON B820 thru B860 Dim Min Max http://www.weitron.com.tw Features: Mechanical Data: A B C D E G H J
Maximum Ratings and Electrical Characteristics Characteristics B820 B830 B840 B850 B860Symbol Unit Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TC=95 C 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 V V V A A V mA Rating 25 C Ambient Temperature Unless Otherwise Specified. Single Phase Half Wave, 60Hz , Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. VRRM VRMS VDC I (AV) IFSM VF IR CJ JL TJ TSTG -55 to+125 -55 to+150 PF NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to case. 8.0 175 0.55 0.5 450 C C C/W WEITRON http://www.weitron.com.tw qR F 0.7
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT NUMBER OF CYCLES AT 60Hz PEAK FORWARD SURGE CURRENT, AMPERES 1 5 10 50 1002 20 100 150 200 250 300 FIG.1 - FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 75 100 125 150 175 CASE TEMPERATURE , C 8.3ms Single Half-Sine-Wave (JEDEC METHOD) RESISTIVE OR INDUCTIVE LOAD INSTANTANEOUS FORWARD VOLTAGE , VOLTS FIG.4 - TYPICAL FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT ,(A) 0.2 0.3 0.7 0.8 1.0 100 0.4 0.5 0.6 0.1 1.00.9 PULSE WIDTH 300ua INSTANTANEOUS FORWARD VOLTAGE , VOLTS FIG.4 - TYPICAL FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT ,(A) 0.1 1.0 100 0.1 PULSE WIDTH 300us 2% Duty cycle TJ = 25 C PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG.3 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT ,(mA) 20 40 120 1400 0.01 1.0 1000 100 60 80 100 TJ = 100 C
0.1 TJ = 25 C
TJ = 75 C B820 ~ B840 B850 ~ B860 FIG.5 - TYPICAL JUNCTION CAPACITANCE CAPACITANCE , (pF) REVERSE VOLTAGE , VOLTS 101 100 10000 1000 100 0.1 TJ = 25 C, f= 1MHz B820 thru B860 WEITRON http://www.weitron.com.tw