JST B2B-XH-A (XH 2.5mm board header)

@@ -1,29 +1,51 @@ # JST B2B-XH-A -**2-pin · 2.5 mm pitch · through-hole · top-entry** board header from JST's **XH series** - the board-side connector that mates the **XHP-2** wire housing.+**2-pin · 2.5 mm pitch · top entry** board header from JST's **XH series** —+the **board-side** connector that solders to your PCB. It mates the **XHP-2** wire-side housing+to form a complete wire-to-board connection. -The **3D viewer above** is the real **JST manufacturer model** (blue) side-by-side with the **KiCad library** model (grey) - orbit it to judge the difference. Symbol/footprint come from JST's datasheet (ds2sf) and KiCad.+- **Datasheet:** [JST XH series catalog](https://www.jst-mfg.com/product/pdf/eng/eXH.pdf) · **JST product page:** [XH series](https://www.jst-mfg.com/product/index.php?series=277)+- **Buy:** [Mouser](https://www.mouser.com/c/?q=B2B-XH-A) · [DigiKey](https://www.digikey.com/en/products/result?keywords=B2B-XH-A) -- **Datasheet:** [JST XH series catalog](https://www.jst-mfg.com/product/pdf/eng/eXH.pdf) · **Buy:** [Mouser](https://www.mouser.com/c/?q=B2B-XH-A) · [DigiKey](https://www.digikey.com/en/products/result?keywords=B2B-XH-A)+## Interactive 3D — watch the connector assemble itself -## Mating system (full cable BOM)+The 3D viewer above is an **animated, looping mate sequence** (**two columns** — KiCad library (left) vs JST manufacturer (right)). On a raised PCB+(footprint pads on top, 5 mm above the ground plane) it shows, in slow motion: -| Role | Part | Key spec | CAD |-|---|---|---|---|-| **Board header** (this page) | **B2B-XH-A** (top) / `S2B-XH-A` (side) | 2-pin, 2.5mm, 3A | JST 3D + ds2sf/KiCad sym+fp |-| **Wire housing** | **XHP-2** | 2-circuit | JST 3D (run the skill) |-| **Crimp contact** | **SXH-001T-P0.6N** | AWG #30-22 | JST datasheet (no STEP) |+1. the **board header** descending onto the PCB — **watch the pins land on the footprint pads** to+   confirm the footprint lines up, then+2. the **XHP-2 wire housing** sliding into the board header along its real mating axis (straight down — **top entry**).++Colour tells you the source at a glance: **blue = JST manufacturer CAD**, **tan/grey = KiCad library**. Each column is captioned in-scene (*JST manufacturer* / *KiCad library*).++> The manufacturer models in the viewer are intentionally **lossy GLB previews** (GLB drops the STEP's+> parametric detail) — enough to judge fit and footprint alignment. The genuine parametric **STEP** stays+> with JST and is one chip-fetcher skill-run away. -## How to get the real JST files-Run the **chip-fetcher** JST flow - it pulls JST's own STEP for the header + XHP-2 housing straight from JST's email download into your library. See [chip-fetcher](https://wiki.adom.inc/adom/adom-chip-fetcher).+## The mating system (full cable BOM)++A board header alone is not a connection. To build the cable you also need the **wire-side housing**+that plugs onto this header and the **crimp contacts** that crimp to your wires and snap into it.++| Role | Part | Key spec | Source |+|---|---|---|---|+| **Board header** (this page) | **B2B-XH-A** | 2-pin, 2.5 mm, 3 A | JST STEP (gated) · KiCad sym+fp |+| **Wire housing** | **XHP-2** | 2-circuit | JST STEP (gated) |+| **Crimp contact** | `SXH-001T-P0.6` or `SXH-001T-P0.6N` | AWG #30–22 | JST (gated) | -## Provenance-3D = JST manufacturer (lossy GLB preview; real STEP via the skill). Symbol/footprint = JST datasheet via ds2sf + KiCad library. JST files are not rehosted (license); we link to JST.+System: 2.5 mm pitch · 3 A max · top entry. Always confirm ratings against the JST datasheet for your build.  ## Symbol & footprint: ds2sf (JST datasheet) vs KiCad -The **ds2sf** symbol/footprint are derived from **JST's own datasheet**; the **KiCad** ones are the standard-library generics. Compare them:+The **ds2sf** symbol/footprint are derived from **JST's own datasheet**; the **KiCad** ones are the+standard-library generics. The viewers below show both so you can compare pad geometry and pin mapping.+Pin 1 is the **square pad** — verify in the footprint viewer before placement. -![ds2sf vs KiCad symbol & footprint](docs/symfp-compare.png)+## Provenance & licensing -In chip-fetcher, the board-header card carries **both** sources on the SYM/FP tiles (switch via the source ▾); this page bakes the side-by-side for reference.+- Symbol / footprint and the **KiCad model** inside the bundled comparison 3D: **KiCad libraries** (`Connector_JST`,+  `Connector_Generic`), redistributable under the KiCad Library License with attribution.+- The JST-coloured models in the scene are **lossy preview meshes**; the genuine JST manufacturer **STEP**+  for the header, the **XHP-2 housing**, and the crimp contacts — plus JST datasheets — are **not**+  rehosted. JST's download agreement (clause 2) prohibits redistributing their original files to third+  parties; we link to JST and show you how to fetch them yourself via [chip-fetcher](https://wiki.adom.inc/adom/adom-chip-fetcher).

@@ -2,7 +2,7 @@   "slug": "b2b-xh-a",   "title": "JST B2B-XH-A (XH 2.5mm board header)",   "type": "component",-  "version": "0.8.6",+  "version": "0.8.7",   "description": "JST B2B-XH-A - 2-pin, 2.5mm pitch, through-hole XH-series board header (mates the XHP-2 wire housing). Interactive JST-vs-KiCad 3D comparison; symbol/footprint from JST datasheet (ds2sf) and KiCad. Run the chip-fetcher skill to pull JST's real STEP.",   "tags": [     "hardware",

@@ -2,7 +2,7 @@   "slug": "b2b-xh-a",   "title": "JST B2B-XH-A (XH 2.5mm board header)",   "type": "component",-  "version": "0.8.6",+  "version": "0.8.7",   "description": "JST B2B-XH-A - 2-pin, 2.5mm pitch, through-hole XH-series board header (mates the XHP-2 wire housing). Interactive JST-vs-KiCad 3D comparison; symbol/footprint from JST datasheet (ds2sf) and KiCad. Run the chip-fetcher skill to pull JST's real STEP.",   "tags": [     "hardware",