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SD103AW-7-F

DIOSD103AW-7-F

Diodes Incorporated
Schottky Diodes & Rectifiers 40V 250mW
55,133 in stock

Overview

The SD103AW-7-F is a high-performance Schottky barrier diode in a compact SOD-123 surface-mount package. It is designed for low forward voltage drop and fast switching applications, featuring a 40V reverse voltage rating and 350mA average rectified current. This diode is particularly effective in circuits where energy efficiency and high-speed recovery are critical requirements.

Why Choose This Part

The component offers an extremely fast 10ns reverse recovery time and a low forward voltage of 600mV at 200mA, reducing thermal dissipation. Its SOD-123 footprint provides a balance between small size for high-density boards and ease of automated assembly. Additionally, it features low reverse leakage of 5uA at 30V, enhancing battery life in portable applications.

Applications

Low Voltage Rectification
Used in power supply circuits to convert AC to DC with minimal power loss due to the 600mV forward voltage.
Reverse Polarity Protection
Protects sensitive DC electronics from damage caused by incorrect battery or power supply insertion.
High-Speed Switching
Utilizes a 10ns reverse recovery time for efficient performance in high-frequency signal processing and clamping.
Freewheeling Diode
Suppresses inductive voltage spikes in small relay drivers and motor control circuits.

Key Specifications

Speed Fast Recovery =< 500ns, > 200mA (Io)
Technology Schottky
Mounting Type Surface Mount
Package / Case SOD-123
Capacitance @ Vr, F 28pF @ 0V, 1MHz
Supplier Device Package SOD-123
Reverse Recovery Time (trr) 10 ns
Current - Reverse Leakage @ Vr 5 uA @ 30 V
Voltage - DC Reverse (Vr) (Max) 40 V
Current - Average Rectified (Io) 350mA
Operating Temperature - Junction -65degC ~ 125degC
Voltage - Forward (Vf) (Max) @ If 600 mV @ 200 mA

Getting Started

When integrating this diode, ensure the PCB thermal pads are sized appropriately for the 250mW power dissipation rating. Engineers should verify that peak repetitive reverse voltage does not exceed 40V in switching transients. Standard SMT reflow profiles for SOD-123 packages are applicable, and no specialized software or toolchains are required for implementation.

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