WSD490

WEITRON Surface Mount Schottky Barrier Diode P b Lead(Pb)-Free Features: * Low current rectification and high speed switching. * Small surface mount type. * Up to 500mA current capability. * Low forward voltage drop . * Silicon epitaxial planar chip, metal silicon junction. * Lead-free parts meet environmental standards of MIL-STD-19500 /228 Mechanical Data: * Epoxy:UL94-V0 rated flame retardant * Case : Molded plastic, SOT-23 * Terminals : Solder plated, solderable per MIL-STD-750, Method 2026 * Mounting Position : Any * Weight : Approximated 0.008 gram WSD490/WSD491 SCHOTTKY BARRIER RECTIFIERS 1.0AMPERES 25-45VOLTS 3 1 2 SOT-23 SOT-23 Outline Dimensions A Unit:mm TOP VIEW B C E G H D K L www.DataSheet4U.com J M Dim A B C D E G H J K L M Min 0.37 1.20 2.10 0.89 0.46 1.78 2.80 0.01 0.89 0.35 0.09 Max 0.50 1.40 2.64 1.09 1.00 2.04 3.04 0.13 1.11 0.69 0.18 WEITRON http://www.weitron.com.tw 1/3 Rev.A 11-Jan-2011 WSD490/WSD491 Maximum Ratings and Electrical Characteristics Rating 25 C Ambient Temperature Unless Otherwise Specified. Single Phase Half Wave, 60Hz , Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Type Number Maximum Recurrent Peak Reverse Voltage Continuous reverse voltage Mean rectifying current Forward surge current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C At Rated DC Blocking Voltage Ta=100 C Operating Tem...