component
TIP31C
Public Made by Adomby adom
STMicroelectronics Bipolar (BJT), TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# TIP31C++**STMicroelectronics** · Bipolar (BJT) · TO-220++TIP31C from STMicroelectronics, in a TO-220. 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 terminal of the NPN power transistor; base current IB is rated up to 1 A absolute maximum. |+| 2 | Collector | passive | Collector terminal, internally connected to the metal mounting tab; rated for collector-emitter voltage up to 100 V and collector current up to 3 A (5 A peak). |+| 3 | Emitter | passive | Emitter terminal of the NPN power transistor; emitter-base voltage rated up to 5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TO-220 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `TIP31C`+- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`+- 3D model: TO-220 (KiCad packages3D, STEP)+- 3D model files: `tip31c-etched.step` / `tip31c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tip31c.step` / `tip31c.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/tip31c.pdf) (10 pp, sha256 `01acd35a9e756d39`, retrieved 2026-09-22, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (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/tip31c-datasheet.pdf)
page.jsonadded+111@@ -0,0 +1,111 @@+{+ "slug": "tip31c",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Bipolar (BJT), TO-220. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "transistors-thyristors",+ "tip31c",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tip31c.kicad_sym",+ "tip31c.kicad_mod",+ "tip31c.glb",+ "tip31c.step",+ "tip31c.lbr",+ "docs/hero.png",+ "docs/tip31c-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TIP31C",+ "manufacturer": "STMicroelectronics",+ "package": "TO-220",+ "pin_count": 3,+ "category": "Transistors/Thyristors",+ "subcategory": "Bipolar (BJT)",+ "datasheet": "https://www.st.com/resource/en/datasheet/tip31c.pdf",+ "parts": {+ "symbol": "tip31c.kicad_sym",+ "footprint": "tip31c.kicad_mod",+ "model_3d": "tip31c-etched.glb",+ "model_3d_plain": "tip31c.glb",+ "model_3d_step": "tip31c-etched.step",+ "model_3d_step_plain": "tip31c.step",+ "lbr": "tip31c.lbr"+ },+ "distributor_links": {+ "lcsc": "C13506"+ },+ "pins": [+ {+ "number": "1",+ "name": "Base",+ "type": "input",+ "description": "Base terminal of the NPN power transistor; base current IB is rated up to 1 A absolute maximum."+ },+ {+ "number": "2",+ "name": "Collector",+ "type": "passive",+ "description": "Collector terminal, internally connected to the metal mounting tab; rated for collector-emitter voltage up to 100 V and collector current up to 3 A (5 A peak)."+ },+ {+ "number": "3",+ "name": "Emitter",+ "type": "passive",+ "description": "Emitter terminal of the NPN power transistor; emitter-base voltage rated up to 5 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-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 10,+ "cost_usd": 0.1174,+ "at": "2026-09-22T19:03:42"+ },+ "datasheet": {+ "url": "https://www.st.com/resource/en/datasheet/tip31c.pdf",+ "pages": 10,+ "sha256": "01acd35a9e756d39",+ "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]"+ }+}