# XH-4A

**BOOMELE Boom Precision Elec** · Wire To Board Connector · 插件,P=2.5mm

XH-4A from BOOMELE Boom Precision Elec, 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 | Square 0.63mm pin on 2.5±0.05mm pitch; PCB hole n-Ø1.0 +0.1/0, no electrical function stated. |
| 2 | 2 | passive | Square 0.63mm pin on 2.5±0.05mm pitch; PCB hole n-Ø1.0 +0.1/0, no electrical function stated. |
| 3 | 3 | passive | Square 0.63mm pin on 2.5±0.05mm pitch; PCB hole n-Ø1.0 +0.1/0, no electrical function stated. |
| 4 | 4 | passive | Square 0.63mm pin on 2.5±0.05mm pitch; PCB hole n-Ø1.0 +0.1/0, no electrical function stated. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BOOMELE Boom Precision Elec |
| Package | 插件,P=2.5mm |
| Category | Connectors |
| Pins | 4 |

## CAD (KiCad official)

- Symbol: `XH-4A`
- 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: `xh-4a-etched.step` / `xh-4a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xh-4a.step` / `xh-4a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BOOMELE Boom Precision Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756930599405924352) (1 pp, sha256 `eee2a0b873b43c37`, retrieved 2026-10-08, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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](docs/xh-4a-datasheet.pdf)