component
BC846ALT1G
Public Made by Adomby adom
onsemi Bipolar (BJT), 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 @@+# BC846ALT1G++**onsemi** · Bipolar (BJT) · SOT-23++BC846ALT1G from onsemi, 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 | Base | input | Base control terminal with a maximum Emitter-Base voltage rating of 6.0 V. |+| 2 | Emitter | passive | Emitter common terminal; Collector-Emitter voltage has a maximum rating of 65 V. |+| 3 | Collector | passive | Collector terminal with maximum continuous current of 100 mA and maximum Collector-Emitter voltage of 65 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOT-23 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `BC846ALT1G`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `bc846alt1g-etched.step` / `bc846alt1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bc846alt1g.step` / `bc846alt1g.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/bc846alt1-d.pdf) (17 pp, sha256 `b27c21a6a1b457c8`, retrieved 2026-09-23, tier: manufacturer)+- **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/bc846alt1g-datasheet.pdf)
page.jsonadded+111@@ -0,0 +1,111 @@+{+ "slug": "bc846alt1g",+ "version": "0.1.0",+ "type": "component",+ "description": "onsemi Bipolar (BJT), SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "transistors-thyristors",+ "bc846alt1g",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bc846alt1g.kicad_sym",+ "bc846alt1g.kicad_mod",+ "bc846alt1g.glb",+ "bc846alt1g.step",+ "bc846alt1g.lbr",+ "docs/hero.png",+ "docs/bc846alt1g-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BC846ALT1G",+ "manufacturer": "onsemi",+ "package": "SOT-23",+ "pin_count": 3,+ "category": "Transistors/Thyristors",+ "subcategory": "Bipolar (BJT)",+ "datasheet": "https://www.onsemi.com/pdf/datasheet/bc846alt1-d.pdf",+ "parts": {+ "symbol": "bc846alt1g.kicad_sym",+ "footprint": "bc846alt1g.kicad_mod",+ "model_3d": "bc846alt1g-etched.glb",+ "model_3d_plain": "bc846alt1g.glb",+ "model_3d_step": "bc846alt1g-etched.step",+ "model_3d_step_plain": "bc846alt1g.step",+ "lbr": "bc846alt1g.lbr"+ },+ "distributor_links": {+ "lcsc": "C163723"+ },+ "pins": [+ {+ "number": "1",+ "name": "Base",+ "type": "input",+ "description": "Base control terminal with a maximum Emitter-Base voltage rating of 6.0 V."+ },+ {+ "number": "2",+ "name": "Emitter",+ "type": "passive",+ "description": "Emitter common terminal; Collector-Emitter voltage has a maximum rating of 65 V."+ },+ {+ "number": "3",+ "name": "Collector",+ "type": "passive",+ "description": "Collector terminal with maximum continuous current of 100 mA and maximum Collector-Emitter voltage of 65 V."+ }+ ],+ "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": 17,+ "cost_usd": 0.1579,+ "at": "2026-09-23T15:05:39"+ },+ "datasheet": {+ "url": "https://www.onsemi.com/pdf/datasheet/bc846alt1-d.pdf",+ "pages": 17,+ "sha256": "b27c21a6a1b457c8",+ "source_tier": "mfr"+ },+ "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]"+ }+}