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KH-2012-HM1
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Shenzhen Kinghelm Elec Antennas, 0805. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# KH-2012-HM1++**Shenzhen Kinghelm Elec** · Antennas · 0805++KH-2012-HM1 from Shenzhen Kinghelm Elec, in a 0805. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | INPUT | passive | RF feed terminal. Connect through the recommended matching network (1.5 pF series, 0 ohm inductor, 0.7 pF shunt on the evaluation board) to a 50 Ohm transmission line driving the 2400-2500 MHz Bluetooth/Wi-Fi radio. Central frequency 2450 MHz, VSWR <= 2.0. |+| 2 | NC | passive | No electrical connection. This terminal is a mechanical/solder anchor pad only; it should be left floating or tied to a non-signal pad per the PCB layout guide. Do not connect to ground or RF trace. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shenzhen Kinghelm Elec |+| Package | 0805 |+| Category | RF And Wireless |+| Pins | 2 |++## Ordering variants++Same part, different packaging or reel option.++- `KH-2012-HM1`++## CAD (KiCad official)++- Symbol: `KH-2012-HM1`+- Footprint: `Resistor_SMD:R_0805_2012Metric`+- 3D model: 0805 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Shenzhen Kinghelm Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902738518175744) (8 pp, sha256 `9d6d93cb23cfdf8e`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/kh-2012-hm1-datasheet.pdf)
page.jsonadded+34@@ -0,0 +1,34 @@+{+ "slug": "kh-2012-hm1",+ "version": "0.1.0",+ "type": "component",+ "description": "Shenzhen Kinghelm Elec Antennas, 0805. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "rf and wireless",+ "kh-2012-hm1"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "kh-2012-hm1.kicad_sym",+ "kh-2012-hm1.kicad_mod",+ "kh-2012-hm1.glb",+ "kh-2012-hm1.step",+ "kh-2012-hm1.lbr",+ "docs/hero.png",+ "docs/kh-2012-hm1-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "visibility": "public",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}