What are the key specifications of the B5819W?

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

What is the B5819W used for?

It is commonly used in power supplies, consumer electronics, and industrial controls for rectification and protection tasks.

What should engineers review before using the B5819W?

Engineers should verify the thermal resistance (250°C/W) and ensure the operating junction temperature remains within the -55°C to +150°C range.

What are the sourcing risks for the B5819W?

The part is widely available and active, with high stock levels, presenting low sourcing risk.

What is the pinout of B5819W?

Use the B5819W datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about B5819W pinout to locate pins, power rails, and interface signals before layout.

B5819W Datasheet, Specs, Alternatives & ECAD | Yangjie Technology

AI summary

The B5819W is a 40V, 1A Schottky barrier diode in a SOD-123 package, ideal for high-speed switching and voltage clamping.

Best for

High-speed switching
Voltage clamping
General rectification

Avoid if

Applications requiring >1A continuous current
High-temperature environments exceeding 150°C

Check before use

Thermal dissipation requirements
PCB layout for SOD-123

Key specifications

Reverse Voltage: 40 V
Forward Current: 1 A
Forward Voltage: 0.6 V
Package: SOD-123

Compliance & Environment

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

Application

Power SuppliesConsumer ElectronicsIndustrial Controls

Datasheet

c540358caa964647900037c14356af23.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for B5819W: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

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3D Model

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Where to Buy

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Alternative components

Part	Details	Match
SS34BMDD	SS34B is a 40V 3A Schottky alternate only if an SMB footprint is acceptable.	Needs validation

SS54FMDD	SS54F is a higher-current 40V Schottky option for redesigns using SMAF.	Needs validation
SS34AYangzhou Yangjie Electronic Technology Co.,Ltd	SS34A is a 40V 3A Schottky alternate only if an SMA footprint is acceptable.	Needs validation
SS36MDD	SS36 offers higher voltage and current only for layouts that can use SMA.	Needs validation
SS56MDD	SS56 is a 60V 5A Schottky alternate for SMA-based redesigns.	Needs validation
SS56BYangzhou Yangjie Electronic Technology Co.,Ltd	SS56B is a 60V 5A Schottky alternate only for SMB footprint designs.	Needs validation

Design and risk insights

Questions & answers

The B5819W is a surface-mount Schottky barrier rectifier diode designed for high-speed switching, circuit protection, and voltage clamping.

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 B5819W?+×

What are the key specifications of the B5819W?+×

What is the B5819W used for?+×

What should engineers review before using the B5819W?+×

What are the sourcing risks for the B5819W?+×

What is the pinout of B5819W?+×