What are the primary applications for the 1N5819WS?

It is commonly used in low-voltage, high-frequency inverters, free-wheeling circuits, and polarity protection applications.

What are the key specifications of the 1N5819WS?

It features a 40V maximum DC blocking voltage, 1A average forward rectified current, and a forward voltage drop of 0.6V at 1A.

What should engineers review before using the 1N5819WS?

Engineers should review the thermal derating curve and ensure the peak surge current (9A) is within the limits of the intended circuit protection requirements.

What should sourcing teams check before buying 1N5819WS?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: low; readiness: easy.

What is the pinout of 1N5819WS?

Use the 1N5819WS datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 1N5819WS pinout to locate pins, power rails, and interface signals before layout.

1N5819WS Datasheet, Specs, Alternatives & ECAD | TWGMC

AI summary

The 1N5819WS is a 40V, 1A Schottky barrier rectifier in a SOD-323 package, optimized for high-efficiency, low-voltage power applications.

Best for

High-frequency switching
Polarity protection
Low-voltage power supplies

Avoid if

Applications exceeding 40V reverse voltage
High-temperature environments without adequate heat dissipation

Check before use

Forward voltage drop at specific operating currents
Thermal derating requirements

Key specifications

Max Reverse Voltage: 40 V
Max Forward Current: 1 A
Forward Voltage (1A): 0.6 V
Package: SOD-323

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Power ManagementGeneral Purpose

Datasheet

db0c7fdf4f896342383d17b4134bace9.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N5819WS: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Alternative components

Part	Details	Match
1N5819WSZHIDE	The same part number from alternate manufacturers, offering a direct sourcing path for the 1N5819WS.	Needs validation

Design and risk insights

Questions & answers

The 1N5819WS is a Schottky barrier rectifier diode featuring a metal-silicon junction, designed for low power loss and high-frequency switching.

B5819WSYenji Elec	A common cross-vendor Schottky diode with a higher current rating in the same SOD-323 package.	Needs validation
B16WSSlkor(SLKORMICRO Elec.)	An upgraded Schottky diode with higher voltage (60V) and current (1A) in the same SOD-323 package.	Needs validation

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the 1N5819WS?+×

What are the primary applications for the 1N5819WS?+×

What are the key specifications of the 1N5819WS?+×

What should engineers review before using the 1N5819WS?+×

What should sourcing teams check before buying 1N5819WS?+×

What is the pinout of 1N5819WS?+×