What are the key specifications of the B4B-EH(LF)(SN)?

It features a 3A current rating, 250V voltage rating, and operates between -25°C and +85°C. It is a top-entry, through-hole component.

What is the pinout of B4B-EH(LF)(SN)?

Use the B4B-EH(LF)(SN) datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about B4B-EH(LF)(SN) pinout to locate pins, power rails, and interface signals before layout.

B4B-EH(LF)(SN) Datasheet, Specs, Alternatives & ECAD | JST

AI summary

The B4B-EH(LF)(SN) is a 4-pin, 2.5mm pitch shrouded header connector from JST's EH series, designed for reliable wire-to-board connections in compact electronic assemblies.

Best for

Compact PCB designs
Internal wire-to-board connections

Avoid if

High-vibration environments without strain relief
Applications exceeding 3A current

Check before use

PCB footprint compatibility
Mating connector series

Key specifications

Positions: 4
Pitch: 2.5 mm
Mounting: Through Hole

Compliance & Environment

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

Application

Consumer ElectronicsIndustrial Controls

Datasheet

B4B-EH(LF)(SN)-JST-datasheet-12508595.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for B4B-EH(LF)(SN): 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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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Part	Details	Match
ZX-XH2.54-4PZZ-YManufacturer	URL can't contain control characters. '/component/docs/f03102d0a5057f470a59f86896184fc9_1912111437_JST-B4B-EH-LF-SN_C265288.pdf, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/7702280f2d820f48de6c0af81e850e29.pdf, https://datasheet.octopart.com/B4B-EH%28LF%29%28SN%29-JST-datasheet-8324189.pdf, https://datasheet.octopart.com/B4B-EH%28LF%29%28SN%29-JST-datasheet-12508595.pdf' (found at least ' ')	Has caveats

XH-4A-RManufacturer	URL can't contain control characters. '/component/docs/f03102d0a5057f470a59f86896184fc9_1912111437_JST-B4B-EH-LF-SN_C265288.pdf, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/7702280f2d820f48de6c0af81e850e29.pdf, https://datasheet.octopart.com/B4B-EH%28LF%29%28SN%29-JST-datasheet-8324189.pdf, https://datasheet.octopart.com/B4B-EH%28LF%29%28SN%29-JST-datasheet-12508595.pdf' (found at least ' ')	Has caveats
XHB-D-4AManufacturer	URL can't contain control characters. '/component/docs/f03102d0a5057f470a59f86896184fc9_1912111437_JST-B4B-EH-LF-SN_C265288.pdf, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/7702280f2d820f48de6c0af81e850e29.pdf, https://datasheet.octopart.com/B4B-EH%28LF%29%28SN%29-JST-datasheet-8324189.pdf, https://datasheet.octopart.com/B4B-EH%28LF%29%28SN%29-JST-datasheet-12508595.pdf' (found at least ' ')	Has caveats

Design and risk insights

Questions & answers

It is a 4-position, 2.5mm pitch shrouded header connector designed for high-density internal wire-to-board connections.

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 B4B-EH(LF)(SN)?+×

What are the key specifications of the B4B-EH(LF)(SN)?+×

What is the pinout of B4B-EH(LF)(SN)?+×