# A2501WR-4P

**CJT Changjiang Connectors** · Wire To Board Connector · JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal

A2501WR-4P from CJT Changjiang Connectors, in a JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal. 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 | Contact 1; numbering follows the footprint. |
| 2 | 2 | passive | Contact 2; numbering follows the footprint. |
| 3 | 3 | passive | Contact 3; numbering follows the footprint. |
| 4 | 4 | passive | Contact 4; numbering follows the footprint. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | CJT Changjiang Connectors |
| Package | JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal |
| Category | Connectors |
| Pins | 4 |

## CAD (KiCad official)

- Symbol: `A2501WR-4P`
- Footprint: `Connector_JST:JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal`
- 3D model: JST_XH_S4B-XH-A_1x04_P2.50mm_Horizontal (KiCad packages3D, STEP)
- 3D model files: `a2501wr-4p-etched.step` / `a2501wr-4p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `a2501wr-4p.step` / `a2501wr-4p.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [CJT Changjiang Connectors datasheet](docs/a2501wr-4p-datasheet.pdf) (1 pp, sha256 ``, retrieved 2026-11-06, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `connector numbering` (convention), consensus `off` (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/a2501wr-4p-datasheet.pdf)