BL GALAXY ELECTRICAL SK32 - - - SK310 SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS REVERSE VOLTAGE: 20 - 100 V FORWARD CURRENT: 3.0 A FEATURES SMC Schottky barrier rectifier Guardring protection Low forward voltage Reverse energy tested High current capability Extremely low thermal resistance MECHANICAL DATA Case: SMC molded plastic body 1111 Polarity: Color band denotes cathode end Mounting position: ANY Weight: 0.007 ounces, 0.21 gram inch(mm) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25oC ambient temperature unless otherwise specified SK32 SK33 SK34 SK35 SK36 SK38 SK39 SK310 SK32 SK33 SK34 SK35 SK36 SK38 SK39 SK310 UNITS Device marking code Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 80 90 100 V Maximum RMS voltage VRWS 14 21 28 35 42 56 63 70 V Maximum DC blocking voltage VDC 20 30 40 50 60 80 90 100 V Maximum average forward rectified current at TL=90 IF(AV) 3.0 A Peak forward surge current 8.3ms single halfsine-wave IFSM 100.0 A Maximum instantaneous forward voltage at IFM=3.0A (NOTE1) Maximum DC reverse current TJ=25 at rated DC blocking voltage TJ=100 Maximum thermal resistance Operating temperature range Storage temperature range VF IR R JL 0.50 0.70 0.5 20.0 17.0 V mA o C/W TJ - 55 ---- +125 o C TSTG - 55 ---- +150 o C www.galaxycn.com NOTE: 1.Pulse test: Pulse width 300us,duty cycle 1 % Document Number 0281007 0.85 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SK32 - - - SK310 PEAK FORWARD SURGE CURRENT AMPERES FIG.2 -- PEAK FORWARD SURGE CURRENT 4 3 AMPERES AVERAGE FORWARD RECTIFIED CURRENT FIG.1 -- FORWARD DERATING CURVE 2 Resistive or Inductive Load 1 0 0 25 50 75 100 125 150 175 80 70 8.3ms Single Half Sine-Wave 50 40 30 20 10 1 LEAD TEMPERATURE, CAPACITANCE, pF 1000 10 SK32-SK34 SK38-SK310 AMPERES 100 FIG.4 -- TYPICAL JUNCTION CAPACITANCE 20 1 SK35-SK36 TJ=25 Pulse width=300 s 1% Duty Cycle .1 10 NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXXXX----CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT TJ=TJMAX 60 .1 .3 .5 .7 .9 1 .1 1 .3 1 .5 1 .7 1 .9 2 .1 T J =25℃ f=1.0MHz Vsig=50mVp-p 100 10 0.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 1 10 100 REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0281007 BLGALAXY ELECTRICAL 2.