WSD751D Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 30m AMPERES 40 VOLTS P b Lead(Pb)-Free * Halogen Free Feature: * Slicon Epitaxial Planer * Low Forward Voltage and Low Reverse Current * High Reliability * Schottky Barrier Diodes Encapsulated in a SOD-923 Package 1 2 Description: These schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping. Extremely low forward voltage reduces conduction loss. Miniature surface mount package is excellent for hand held and portable applications where space is limited. SOD-923 SOD-923 Outline Dimensions Unit:mm −X− D −Y− MILLIMETERS E 1 b 2X 2 0.08 (0.0032) X Y A L C HE 0.90 DIM MIN NOM MAX A b c D E HE L 0.34 0.15 0.07 0.75 0.55 0.95 0.05 0.39 0.20 0.12 0.80 0.60 1.00 0.10 0.43 0.25 0.17 0.85 0.65 1.05 0.15 0.40 0.30 SOLDERING FOOTPRINT WEITRON http://www.weitron.com.tw 1/3 Rev.A 05-Aug-09 WSD751D Maximum Ratings (TA=25˚C Unless otherwise noted) Value Unit VRM 40 V VR 30 V IO 30 mA Peak Forward Surge Current(1) IFSM 200 mA Thermal Resistance, Junction to Ambient RθJA 520 °C/W PD 150 mW TJ 125 ˚C Tstg -40 to +125 ˚C Symbol Characteristic Repetitve Peak Reverse Voltage DC Reverse Voltage Power Dissipation Operation Junction Temperature Range Storage Temperature Range Electrical Characteristics (TA=25˚C Unless otherwise noted) Characteristic Symbol Min Typ Max Unit Forward Voltage IF=1mA VF - - 0.37 V Reverse Leakage VR=30V IR - - 0.5 µA Capacitance between terminals VR=1V, f=1MHz Ct - 2 - pF Device Marking Item Marking WSD751D 5 WEITRON http://www.weitron.com.tw Eqivalent Circuit diagram 1 2/3 2 Rev.A 05-Aug-09 WSD751D Electrical Characteristic Curves (TA =25°C) Ta=75℃ 10 Ta=125℃ 1 Ta=25℃ Ta=-25℃ 0.1 100000 Ta=125℃ 10000 Ta=75℃ REVERSE CURRENT:IR(µA) FORWARD CURRENT:IF(mA) 100 0.01 0.001 1000 Ta=25℃ 100 Ta=-25℃ 10 1 0 100 200 300 400 500 600 700 800 0 5 10 15 20 25 30 35 40 VR-IR CHARACTERISTICS Fig.2 REVERSE VOLTAGE:VR(V) VF-IF CHARACTERISTICS Fig.1 FORWARD VOLTAGE：VF(mV) 10 TERMINALS:Ct(pF) CAPACITANCE BETWEEN f=1MHz 1 0.1 0 5 10 15 20 25 30 VR-Ct CHARACTERISTICS Fig.3 REVERSE VOLTAGE:VR(V) WEITRON http://www.weitron.com.tw 3/3 Rev.A 05-Aug-09