What should engineers review before using B5817WSQ?

Check that the circuit remains within the 20 V reverse-voltage limit, including transients. Confirm thermal derating for the 250 mW package dissipation rating and account for reverse leakage, which is specified up to 200 µA at 20 V and 25 °C. The cathode is identified by the package line.

What is the pinout of B5817WSQ?

Use the B5817WSQ datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about B5817WSQ pinout to locate pins, power rails, and interface signals before layout.

B5817WSQ Datasheet, Specs, Alternatives & ECAD | Yangzhou Yangjie Elec

AI summary

B5817WSQ is a compact 20 V Schottky rectifier rated for 1 A average forward current in an SOD-323 package. It is specified for low-voltage, high-frequency rectification and carries AEC-Q101 qualification.

Best for

Low-voltage Schottky rectification
High-frequency inverter rectification
Space-constrained automotive electronics

Avoid if

Reverse voltage can exceed 20 V
Low reverse leakage at elevated temperature is critical
Dissipation exceeds SOD-323 thermal capability

Check before use

20 V reverse-voltage margin including transients
Forward voltage and power loss at actual load current
Leakage-current impact across operating temperature
Cathode orientation and PCB land pattern

Key specifications

Reverse voltage: 20 V VRRM
Average forward current: 1 A IFAV
Forward voltage: 0.45 V max at 1 A
Reverse leakage: 200 µA max at 20 V
Package: SOD-323
Qualification: AEC-Q101

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: 1
ECCN: -
HTSUS: -

Application

Low-voltage power rectificationHigh-frequency invertersAutomotive electronics

Datasheet

55bc0f22e7a0559227b751bbea71abcf_B5817WSQ.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for B5817WSQ: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

Get Files

PCB Footprint

Land pattern for PCB layout

Get Files

3D Model

STEP file for mechanical design

Get Files

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

B5817WSQ is a YANGJIE small-signal Schottky rectifier diode in a two-terminal SOD-323 package. Its repetitive peak reverse-voltage rating is 20 V and its average forward-current rating is 1 A.

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 B5817WSQ?+×

What should engineers review before using B5817WSQ?+×

What is the pinout of B5817WSQ?+×