SK32B THRU SK310B Features • • • • • • • • 3 Amp Schottky Rectifier 20 to 100 Volts For Surface Mount Applications Extremely Low Thermal Resistance Easy Pick And Place High Temp Soldering: 250°C for 10 Seconds At Terminals\ High Current Capability With Low Forward Voltage Maximum Ratings DO-214AA SMB Operating Temperature: -55°C to +125°C Storage Temperature: -55°C to +150°C Maximum Thermal Resistance; 10°C/W Junction To Lead H Cathode Band Catalog Number SK32B SK33B SK34B SK35B SK36B SK38B SK310B Device Marking SK32B SK33B SK34B SK35B SK36B SK38B SK310B Maximum RMS Voltage Maximum Reccurrent Peak Reverse Voltage 20V 30V 40V 50V 60V 80V 100V 14V 21V 28V 35V 42V 56V 70V Maximum DC Blocking Voltage 20V 30V 40V 50V 60V 80V 100V J A E C D B F G Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage SK32B-34B SK35B-36B SK38B-310B Maximum DC Reverse Current At Rated DC Blocking Voltage Typical Junction Capacitance IF(AV) 3.0A TJ = 120°C IFSM 100A 8.3ms, half sine VF .50V .75V .85V IFM = 3.0A; TJ = 25°C* .5mA 20mA TJ = 25°C TJ = 100°C 45pF Measured at 1.0MHz, VR=4.0V IR CJ DIMENSIONS DIM A B C D E F G H J INCHES MIN .078 .075 .002 ----.035 .065 .205 .160 .130 MM MIN 1.98 1.90 .05 ----.90 1.65 5.21 4.06 3.30 MAX .116 .089 .008 .02 .055 .091 .224 .180 .155 MAX 2.95 2.25 .20 .51 1.40 2.32 5.69 4.57 3.94 SUGGESTED SOLDER PAD LAYOUT 0.090" *Pulse test: Pulse width 200 µsec, Duty cycle 2% 0.085” 0.070” 1 JinYu semiconductor www.htsemi.com Date:2011/05 NOTE SK32B THRU SK310B Figure 1 Typical Forward Characteristics 100 Figure 2 Forward Derating Curve 60 3.0 40 2.5 20 SK32B-SK34B SK35B-SK38B 10 SK32B - 34B SK35B-310B 2.0 6 1.5 4 Amps 2 Amps 1.0 1 .5 Single Phase, Half Wave 60Hz Resistive or Inductive Load .6 .4 0 40 60 80 .2 100 120 140 160 °C 25°C Average Forward Rectified Current - Amperesversus Ambient Temperature - °C .1 .06 .04 .02 .01 .2 .4 .6 .8 1.0 1.4 1.2 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts Figure 3 Junction Capacitance 1000 SK35B-SK310B 600 400 SK32B-34B 200 pF TJ=25°C 100 60 40 20 10 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 400 1000 Junction Capacitance - pFversus Reverse Voltage - Volts 2 JinYu semiconductor www.htsemi.com Date:2011/05 SK32B THRU SK310B Figure 4 Typical Reverse Characteristics 10 6 4 Figure 5 Peak Forward Surge Current 150 2 125 1 100 .6 75 .4 Amps 50 .2 25°C 25 µAmps .1 0 .06 1 2 4 6 8 10 20 40 60 80 100 Cycles .04 Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles .02 .01 .006 SK32B-34B SK35B-310B .004 .002 .001 20 40 60 80 100 120 140 Volts Instantaneous Reverse Leakage Current - MicroAmperesversus Percent Of Rated Peak Reverse Voltage - Volts 3 JinYu semiconductor www.htsemi.com Date:2011/05