component
MMBFJ270
Public Made by Adomby adom
onsemi JFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+39@@ -0,0 +1,39 @@+# MMBFJ270++**onsemi** · JFETs · SOT-23++MMBFJ270 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 | G | input | Gate terminal with maximum gate-source voltage of ±30V and gate reverse leakage current not exceeding 200 pA at 20V. |+| 2 | S | passive | Source terminal, common reference point with maximum gate-source voltage of ±30V. |+| 3 | D | passive | Drain terminal with maximum drain-gate voltage of -30V and zero-gate-voltage drain current of -2.0 to -15 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOT-23 |+| Category | Transistors/Thyristors |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `MMBFJ270`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `mmbfj270-etched.step` / `mmbfj270-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbfj270.step` / `mmbfj270.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884488226525184) (7 pp, sha256 `ea787f7574981c10`, retrieved 2026-09-18, 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/mmbfj270-datasheet.pdf)
page.jsonadded+113@@ -0,0 +1,113 @@+{+ "slug": "mmbfj270",+ "version": "0.1.0",+ "type": "component",+ "description": "onsemi JFETs, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "transistors-thyristors",+ "mmbfj270",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "mmbfj270.kicad_sym",+ "mmbfj270.kicad_mod",+ "mmbfj270.glb",+ "mmbfj270.step",+ "mmbfj270.lbr",+ "docs/hero.png",+ "docs/mmbfj270-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "MMBFJ270",+ "manufacturer": "onsemi",+ "package": "SOT-23",+ "pin_count": 3,+ "category": "Transistors/Thyristors",+ "subcategory": "JFETs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884488226525184",+ "parts": {+ "symbol": "mmbfj270.kicad_sym",+ "footprint": "mmbfj270.kicad_mod",+ "model_3d": "mmbfj270-etched.glb",+ "model_3d_plain": "mmbfj270.glb",+ "model_3d_step": "mmbfj270-etched.step",+ "model_3d_step_plain": "mmbfj270.step",+ "lbr": "mmbfj270.lbr"+ },+ "distributor_links": {+ "lcsc": "C160435"+ },+ "pins": [+ {+ "number": "1",+ "name": "G",+ "type": "input",+ "description": "Gate terminal with maximum gate-source voltage of ±30V and gate reverse leakage current not exceeding 200 pA at 20V."+ },+ {+ "number": "2",+ "name": "S",+ "type": "passive",+ "description": "Source terminal, common reference point with maximum gate-source voltage of ±30V."+ },+ {+ "number": "3",+ "name": "D",+ "type": "passive",+ "description": "Drain terminal with maximum drain-gate voltage of -30V and zero-gate-voltage drain current of -2.0 to -15 mA."+ }+ ],+ "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": [+ "extractor flagged: Pin numbers (1, 2, 3) mapping to functions (G, S, D) is not explicitly stated in the datasheet. The "+ ],+ "pages_sent": 7,+ "cost_usd": 0.1307,+ "at": "2026-09-18T02:59:29"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884488226525184",+ "pages": 7,+ "sha256": "ea787f7574981c10",+ "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]"+ }+}