What is the 1N5819W used for?

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

What are the key specifications of the 1N5819W?

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

What should engineers review before using the 1N5819W?

Engineers should review the thermal derating curves and the reverse leakage current characteristics at 100°C to ensure reliability in the target environment.

What should sourcing teams check before buying 1N5819W?

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

What is the pinout of 1N5819W?

Use the 1N5819W datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 1N5819W pinout to locate pins, power rails, and interface signals before layout.

1N5819W Datasheet, Specs, Alternatives & ECAD | TWGMC

AI summary

The 1N5819W is a 40V, 1A Schottky barrier rectifier in a SOD-123 package, ideal for high-frequency, low-voltage power management.

Best for

Low-voltage inverters
Polarity protection
Free-wheeling diodes

Avoid if

High-voltage applications exceeding 40V
Extreme high-temperature environments without adequate heat sinking

Check before use

Thermal dissipation requirements
Reverse leakage current at operating temperature

Key specifications

Max Reverse Voltage: 40 V
Avg Forward Current: 1 A
Forward Voltage (1A): 0.6 V
Operating Temp: -55°C to +150°C

Compliance & Environment

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

Application

Power ManagementIndustrial Electronics

Datasheet

a768385ed38dd69e99e0398f6c99f659.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N5819W: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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Where to Buy

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Alternative components

Part	Details	Match
B5819WMDD(Microdiode Semiconductor)	A common cross-vendor equivalent 40V, 1A Schottky diode in the same SOD-123 package, often used as a direct replacement.	Needs validation

Design and risk insights

Questions & answers

The 1N5819W is a Schottky barrier rectifier diode designed for surface-mount applications, offering low forward voltage drop and high surge current capability.

B5819W SLMDD(Microdiode Semiconductor)	A 40V, 1A Schottky diode in a matching SOD-123 package with identical key electrical ratings.	Needs validation
DSK24MDD(Microdiode Semiconductor)	A functional upgrade with higher current (2A) and lower forward voltage, available in a compatible SOD-123 package.	Needs validation

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the 1N5819W?+×

What is the 1N5819W used for?+×

What are the key specifications of the 1N5819W?+×

What should engineers review before using the 1N5819W?+×

What should sourcing teams check before buying 1N5819W?+×

What is the pinout of 1N5819W?+×