JST B2B-PH-K-S (PH 2.0mm board header)

@@ -1,86 +1,51 @@ # JST B2B-PH-K-S -**2-pin · 2.0 mm pitch · through-hole · top-entry** board header from JST's-**PH series** — the **board-side** connector that solders to your PCB. It mates-the **PHR-2** wire-side housing to form a complete wire-to-board connection.+**2-pin · 2.0 mm pitch · top entry** board header from JST's **PH series** —+the **board-side** connector that solders to your PCB. It mates the **PHR-2** wire-side housing+to form a complete wire-to-board connection. -Bundled here, ready to drop in (KiCad, redistributable):+- **Datasheet:** [JST PH series catalog](https://www.jst-mfg.com/product/pdf/eng/ePH.pdf) · **JST product page:** [PH series](https://www.jst-mfg.com/product/index.php?series=199)+- **Buy:** [Mouser](https://www.mouser.com/c/?q=B2B-PH-K-S) · [DigiKey](https://www.digikey.com/en/products/result?keywords=B2B-PH-K-S) -- **Symbol** + **Footprint** render in the viewers above and download from the CAD grid.-- **3D model** (interactive) from the bundled GLB + STEP.-- **Datasheet**: [JST PH series catalog](https://www.jst-mfg.com/product/pdf/eng/ePH.pdf) ·-  **Buy**: [Mouser](https://www.mouser.com/c/?q=B2B-PH-K-S) · [DigiKey](https://www.digikey.com/en/products/result?keywords=B2B-PH-K-S)+## Interactive 3D — watch the connector assemble itself -## 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 that housing. For the PH 2.0 mm 2-circuit-system:--![PH 2.0 mm mating system](docs/mating.png)--| Role | Part | Key spec | 3D / CAD | Where to get |-|---|---|---|---|---|-| **Board header** (this page) | **B2B-PH-K-S** (top entry) — or `S2B-PH-K-S` (side entry) | 2-pin, 2.0 mm, 2 A | ✅ bundled (KiCad sym + fp + 3D) | here |-| **Wire housing** (mates the header) | **PHR-2** | 2-circuit | render shown above; STEP is JST-gated | [JST PH page](https://www.jst-mfg.com/product/index.php?series=199) · or run the skill |-| **Crimp contact** | **SPH-002T-P0.5S** | AWG **#30–24** (0.05–0.22 mm²), insul. OD 0.8–1.5 mm | JST-gated | JST page · or run the skill |-| **Crimp contact** (low-insertion-force) | **SPH-002T-P0.5L** | AWG **#28–24** (0.08–0.22 mm²); different crimp height | JST-gated | JST page · or run the skill |--System ratings: 2.0 mm pitch · current 2 A AC/DC (at AWG #24) · contact-resistance 10 mΩ max. Always confirm against the JST datasheet for your build.--## The 3D model: compare manufacturer vs KiCad in one viewer--The **interactive 3D viewer above is a side-by-side scene** you can orbit and-zoom, so you can judge the manufacturer model's quality for yourself before-deciding to retrieve it. Left to right:--1. **Grey — KiCad library B2B-PH-K-S** (the redistributable model you download here),-2. **Blue — JST manufacturer B2B-PH-K-S** (a lossy GLB preview of JST's own STEP),-3. **Blue — JST PHR-2 housing** (the wire-side mate, manufacturer preview).+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: -The manufacturer models in the viewer are intentionally **lossy GLB previews**-(GLB drops the STEP's parametric granularity) — enough to evaluate fit and-detail; the real parametric STEP stays with JST and is one skill-run away.+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 **PHR-2 wire housing** sliding into the board header along its real mating axis (straight down — **top entry**). -![KiCad library 3D vs JST manufacturer 3D](docs/compare.png)+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 **downloadable, ready-to-use 3D** in the CAD grid is the **KiCad standard-library** model (redistributable, fine for layout).+> 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 (header, housing, and contacts)--Run the **chip-fetcher** JST flow and it pulls JST's own STEP files straight from-the email download into your library — for the **header, the PHR-2 housing, and-the SPH-002T contacts** alike:--- [chip-fetcher · Email-delivered CAD (JST)](https://wiki.adom.inc/adom/adom-chip-fetcher)-- It drives your real browser past JST's bot-wall, fills the agreement form, and-  retrieves the emailed STEP automatically.--This page is ~99% there out of the box (symbol + footprint + solid 3D + the full-mating BOM); the genuine JST models are the last 1% of polish, one skill-run away.--## Pin 1 / orientation+## The mating system (full cable BOM) -Pin 1 is the **square pad** (top-left in the footprint). Verify in the footprint-viewer before placement.+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. -## Provenance & licensing+| Role | Part | Key spec | Source |+|---|---|---|---|+| **Board header** (this page) | **B2B-PH-K-S** | 2-pin, 2.0 mm, 2 A | JST STEP (gated) · KiCad sym+fp |+| **Wire housing** | **PHR-2** | 2-circuit | JST STEP (gated) |+| **Crimp contact** | `SPH-002T-P0.5S` or `SPH-002T-P0.5L` | AWG #30–24 | JST (gated) | -- Symbol / footprint / bundled 3D: **KiCad libraries** (`Connector_JST`,-  `Connector_Generic`), redistributable under the KiCad Library License with-  attribution.-- JST manufacturer 3D/STEP for the header, **PHR-2 housing, and SPH-002T-  contacts**, plus JST datasheets, are **not** rehosted: JST's download-  agreement (clause 2) prohibits redistributing their files to third parties. We-  link to JST and show you how to fetch them yourself.+System: 2.0 mm pitch · 2 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 **PHR-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).