SK32 THRU SK310 Features • • • 3 Amp Schottky Rectifier 20 to 100 Volts Same Electrical Characteristics As The SMC Version Very Low Cost Can Be Up To 50% Smaller Than The SMC To Save Precious Board Space High Current Capability With Low Forward Voltage For Surface Mount Applications Gull Wing, Or DO215AC Version, Available • • • DO-214AC (SMAJ) (High Profile) Maximum Ratings • • • H Operating Temperature: -50°C to +125°C Storage Temperature: -50°C to +150°C Maximum Thermal Resistance; 10°C/W Junction To Lead MCC Part Number Device Marking SK32A SK33A SK34A SK35A SK36A SK38A SK310A SK32A SK33A SK34A SK35A SK36A SK38A SK310A Maximum Recurrent Peak Reverse Voltage 20V 30V 40V 50V 60V 80V 100V Maximum RMS Voltage 14V 21V 28V 35V 42V 56V 70V Maximum Instantaneous Forward Voltage SK32A-34A SK35A-36A SK38A-310A Maximum DC Reverse Current At Rated DC Blocking Voltage Typical Junction Capacitance J Maximum DC Blocking Voltage 20V 30V 40V 50V 60V 80V 100V Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Cathode Band IF(AV) 3.0A TJ = 120°C IFSM 100A 8.3ms, half sine A E C D B F G DIMENSIONS DIM A B C D E F G H J INCHES MIN .078 .067 .002 --.035 .065 .205 .160 .100 MM MIN 1.98 1.70 .05 --.89 1.65 5.21 4.06 2.57 MAX .116 .089 .008 .02 .055 .096 .224 .180 .112 MAX 2.95 2.25 .20 .51 1.40 2.45 5.69 4.57 2.84 SUGGESTED SOLDER PAD LAYOUT VF .50V .75V .85V IFM = 3.0A; TJ = 25°C* IR .5mA 20mA TJ = 25°C TJ = 100°C CJ 45pF Measured at 1.0MHz, VR=4.0V *Pulse test: Pulse width 200 µsec, Duty cycle 2% 0.090” 0.085” 0.070” NOTE SK32 THRU SK310 Figure 1 Typical Forward Characteristics Figure 2 Forward Derating Curve 100 60 3.0 40 2.5 20 SK32A-SK34A SK35A-SK310A 10 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 .2 100 120 160 °C 25°C Average Forward Rectified Current - Amperesversus Ambient Temperature - °C .1 .06 .04 .02 .01 140 .2 .4 .6 .8 1.0 1.4 1.2 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts Figure 3 Junction Capacitance 1000 SK35A-SK310A 600 SK32A-34A 400 200 pF TJ=25°C 100 60 40 20 10 .1 .2 .4 1 Volts 2 4 10 20 40 Junction Capacitance - pFversus Reverse Voltage - Volts 100 200 400 1000 SK32 THRU SK310 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 Cycles .04 Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles .02 .01 .006 SK32A-34A SK35A-310A .004 .002 .001 20 60 80 100 Figure 6 New SMA Assembly 40 60 80 100 120 140 Volts Instantaneous Reverse Leakage Current - MicroAmperesversus Percent Of Rated Peak Reverse Voltage - Volts Round Lead