component
B4B-XH-A
Public Made by Adomby adom
JST Wire To Board Connector, 插件,P=2.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownB4B-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);b4b-xh-a-lf-sn.step/b4b-xh-a-lf-sn.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).