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WSD490

Weitron Technology
Part Number WSD490
Manufacturer Weitron Technology
Description Surface Mount Schottky Barrier Diode
Published Mar 19, 2011
Detailed Description WEITRON Surface Mount Schottky Barrier Diode P b Lead(Pb)-Free Features: * Low current rectification and high speed swit...
Datasheet PDF File WSD490 PDF File

WSD490
WSD490

Overview
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 Temperature Range Storage Temperature Range Symbol VRM VR Io IFSM VF IR Tj TSTG WSD490 45 45 1.
0 3.
0 0.
50 0.
2 4.
0 WSD491 25 25 Unit V V A A 0.
45 V mA mA C C -50 to + 125 -50 to + 125 Device Marking Item WSD491 WSD490 Marking 10T 10F Eqivalent Circuit diagram 3 CATHODE 1 ANODE 3 CATHODE 1 ANODE www.
DataSheet4U.
com WEITRON http://www.
weitron.
com.
tw 2/3 Rev.
A 11-Jan-2011 WSD490/WSD491 AVERAGE FORWARD CURRENT(A) 1.
2 1.
0 0.
8 0.
6 0.
4 0.
2 0 0 20 40 60 80 100 120 140 160 180 200 AMBIENT T...


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