component
CH443SR
Public Made by Adomby adom
COSEMITECH Hall Switches, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# CH443SR++**COSEMITECH** · Hall Switches · SOT-23++CH443SR from COSEMITECH, in a SOT-23. 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 | VDD | power_in | Supply voltage pin rated 2.5V to 22V with integrated regulator and reverse battery protection to -22V. |+| 2 | OUT | tri_state | Open-drain Hall sensor output pin rated to sink 30 mA with short-circuit protection limiting current to 30-90 mA. |+| 3 | GND | power_in | Ground return pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | COSEMITECH |+| Package | SOT-23 |+| Category | Magnetic Sensors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `CH443SR`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `ch443sr-etched.step` / `ch443sr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ch443sr.step` / `ch443sr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [COSEMITECH datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590235764580777984) (15 pp, sha256 `bb180a03995d8124`, retrieved 2026-09-21, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/ch443sr-datasheet.pdf)
page.jsonadded+111@@ -0,0 +1,111 @@+{+ "slug": "ch443sr",+ "version": "0.1.0",+ "type": "component",+ "description": "COSEMITECH Hall Switches, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "magnetic sensors",+ "ch443sr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ch443sr.kicad_sym",+ "ch443sr.kicad_mod",+ "ch443sr.glb",+ "ch443sr.step",+ "ch443sr.lbr",+ "docs/hero.png",+ "docs/ch443sr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CH443SR",+ "manufacturer": "COSEMITECH",+ "package": "SOT-23",+ "pin_count": 3,+ "category": "Magnetic Sensors",+ "subcategory": "Hall Switches",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590235764580777984",+ "parts": {+ "symbol": "ch443sr.kicad_sym",+ "footprint": "ch443sr.kicad_mod",+ "model_3d": "ch443sr-etched.glb",+ "model_3d_plain": "ch443sr.glb",+ "model_3d_step": "ch443sr-etched.step",+ "model_3d_step_plain": "ch443sr.step",+ "lbr": "ch443sr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2994672"+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Supply voltage pin rated 2.5V to 22V with integrated regulator and reverse battery protection to -22V."+ },+ {+ "number": "2",+ "name": "OUT",+ "type": "tri_state",+ "description": "Open-drain Hall sensor output pin rated to sink 30 mA with short-circuit protection limiting current to 30-90 mA."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return pin."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 15,+ "cost_usd": 0.1111,+ "at": "2026-09-21T23:26:13"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590235764580777984",+ "pages": 15,+ "sha256": "bb180a03995d8124",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}