component
MJD350T4
Public Made by Adomby adom
STMicroelectronics Bipolar (BJT), TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# MJD350T4++**STMicroelectronics** · Bipolar (BJT) · TO-252++MJD350T4 from STMicroelectronics, in a TO-252. 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 input terminal for transistor control, rated for VEBO (Emitter-Base Voltage) max 3V, controlling collector-emitter conduction. |+| 2 | Collector | passive | Collector terminal connected to metal tab, sustaining VCBO and VCEO max 300V each, with IC max 0.5A and ICM max 0.75A. |+| 3 | Emitter | passive | Emitter terminal providing return path for collector current, referenced in VCBO (IE=0) and VCEO measurements, completing the BJT junction. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TO-252 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `MJD350T4`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252 (KiCad packages3D, STEP)+- 3D model files: `mjd350t4-etched.step` / `mjd350t4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mjd350t4.step` / `mjd350t4.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202516833390592) (5 pp, sha256 `a6cc88d76e0c4d05`, retrieved 2026-09-23, tier: lcsc)+- **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/mjd350t4-datasheet.pdf)
page.jsonadded+113@@ -0,0 +1,113 @@+{+ "slug": "mjd350t4",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Bipolar (BJT), TO-252. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "transistors-thyristors",+ "mjd350t4",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "mjd350t4.kicad_sym",+ "mjd350t4.kicad_mod",+ "mjd350t4.glb",+ "mjd350t4.step",+ "mjd350t4.lbr",+ "docs/hero.png",+ "docs/mjd350t4-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "MJD350T4",+ "manufacturer": "STMicroelectronics",+ "package": "TO-252",+ "pin_count": 3,+ "category": "Transistors/Thyristors",+ "subcategory": "Bipolar (BJT)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202516833390592",+ "parts": {+ "symbol": "mjd350t4.kicad_sym",+ "footprint": "mjd350t4.kicad_mod",+ "model_3d": "mjd350t4-etched.glb",+ "model_3d_plain": "mjd350t4.glb",+ "model_3d_step": "mjd350t4-etched.step",+ "model_3d_step_plain": "mjd350t4.step",+ "lbr": "mjd350t4.lbr"+ },+ "distributor_links": {+ "lcsc": "C67351"+ },+ "pins": [+ {+ "number": "1",+ "name": "Base",+ "type": "input",+ "description": "Base input terminal for transistor control, rated for VEBO (Emitter-Base Voltage) max 3V, controlling collector-emitter conduction."+ },+ {+ "number": "2",+ "name": "Collector",+ "type": "passive",+ "description": "Collector terminal connected to metal tab, sustaining VCBO and VCEO max 300V each, with IC max 0.5A and ICM max 0.75A."+ },+ {+ "number": "3",+ "name": "Emitter",+ "type": "passive",+ "description": "Emitter terminal providing return path for collector current, referenced in VCBO (IE=0) and VCEO measurements, completing the BJT junction."+ }+ ],+ "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": [+ "extractor flagged: Datasheet shows package pinout diagram on page 1 but does not explicitly state in text form which pi"+ ],+ "pages_sent": 5,+ "cost_usd": 0.0921,+ "at": "2026-09-23T04:01:17"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202516833390592",+ "pages": 5,+ "sha256": "a6cc88d76e0c4d05",+ "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]"+ }+}