SK32 THRU SK3B SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 100 Volts Forward Current - 3.0 Amperes Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 For surface mounted applications Low profile package Built-in strain relief Metal to silicon rectifier, majority carrier conduction Low power loss, high efficiency High current capability, low V F High surge capacity For use in low voltage high frequency inverters, free wheeling, and polarity protection applications High temperature soldering guaranteed: 260 /10 seconds at terminals D IM E N S IO N S Mechanical Data in c h e s D IM Case: SMC molded plastic Terminals: Solder plated solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode Weight: 0.007 ounce, 0.25 gram A m m M in . M a x. M in . M a x. 0 .2 6 0 0 .2 8 0 6 .6 0 7 .1 1 B 0 .2 2 0 0 .2 4 0 5 .5 9 6 .1 0 C 0 .0 7 5 0 .0 9 5 1 .9 0 2 .4 1 D 0 .1 1 5 0 .1 2 1 2 .9 2 3 .0 7 H 0 .0 0 2 0 0 .0 0 6 0 0 .0 5 1 0 .1 5 2 J 0 .0 0 6 0 .0 1 2 0 .1 5 0 .3 0 K 0 .0 3 0 0 .0 5 0 0 .7 6 1 .2 7 P 0 .0 2 0 R E F S 0 .3 0 5 N o te 0 .5 1 R E F 0 .3 2 0 7 .7 5 8 .1 3 Maximum Ratings and Electrical Characteristics Ratings at 25 ambient temperature unless otherwise specified. Resistive or inductive load. Symbols SK32 SK33 SK34 SK35 SK36 SK37 SK38 SK39 SK3B Units Volts Maximum repetitive peak reverse voltage VRRM 20 30 40 50 60 70 80 90 100 Maximum RMS voltage VRMS 14 21 28 35 42 49 56 63 70 Volts Maximum DC blocking voltage VDC 20 30 40 50 60 70 80 90 100 Volts Maximum average forward rectified current at TL=75 I(AV) 3.0 Amps Peak forward surge current 8.3mS single half sine-wave superimposed on rated load (MIL-STD-750D 4066 method) IFSM 100.0 Amps Maximum instantaneous forward voltage at 3.0A (Note 1) VF Maximum DC reverse current (Note 1) at rated DC blocking voltage IR Maximum thermal resistance (Note 2) Operating junction temperature range Storage temperature range TA=25 TA=100 R R 0.55 0.70 3.0 20.0 17.0 55.0 JL JA TJ -50 to +125 TSTG -50 to +150 Notes: (1) Pulse test with PW=300uSec, 2% duty cycle (2) Mounted on P.C. Board with 14mm2 (0.013mm thick) copper pad areas 1 0.85 Volts mA /W RATINGS AND CHARACTERISTIC CURVES 2