component

B4B-XH-A

Public Made by Adom

by adom

JST Wire To Board Connector, 插件,P=2.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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B4B-XH-A

JST · Wire To Board Connector · 插件,P=2.5mm

B4B-XH-A from JST, in a 插件,P=2.5mm. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Circuit 1 post of the 4-circuit header at 2.5 mm pitch, rated 3 A AC/DC (AWG #22) and 250 V AC/DC.
2 2 passive Circuit 2 post of the 4-circuit header at 2.5 mm pitch, rated 3 A AC/DC (AWG #22) and 250 V AC/DC.
3 3 passive Circuit 3 post of the 4-circuit header at 2.5 mm pitch, rated 3 A AC/DC (AWG #22) and 250 V AC/DC.
4 4 passive Circuit 4 post of the 4-circuit header at 2.5 mm pitch, rated 3 A AC/DC (AWG #22) and 250 V AC/DC.

Key specifications

Parameter Value
Manufacturer JST
Package 插件,P=2.5mm
Category Connectors
Pins 4

CAD (KiCad official)

  • Symbol: B4B-XH-A
  • Footprint: Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical
  • 3D model: 插件,P=2.5mm (KiCad packages3D, STEP)
  • 3D model files: b4b-xh-a-lf-sn-etched.step / b4b-xh-a-lf-sn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); b4b-xh-a-lf-sn.step / b4b-xh-a-lf-sn.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: JST datasheet (5 pp, sha256 389be59ed37c4790, retrieved 2026-10-08, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF