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L78L12ACZ-TR
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STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# L78L12ACZ-TR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-92-3++L78L12ACZ-TR from STMicroelectronics, in a TO-92-3. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VOUT | power_out | Regulated 12 V output (11.5 V min, 12.5 V max at TJ=25 °C for AC grade); supplies up to 100 mA with internal current limiting and thermal shutdown; bypass with CO = 0.1 µF. |+| 2 | GND | power_in | Ground reference for the regulator; common return for input and output; dropout voltage from input to output is 1.7 V typ. |+| 3 | VIN | power_in | Unregulated DC input voltage; for VO = 12 V the operating input range is 14.5 V to 27 V (load/line reg.), absolute maximum 35 V; bypass with CI = 0.33 µF. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | TO-92-3 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `L78L12ACZ-TR`+- Footprint: `Package_TO_SOT_THT:TO-92_Inline`+- 3D model: TO-92-3 (KiCad packages3D, STEP)+- 3D model files: `l78l12acz-tr-etched.step` / `l78l12acz-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l78l12acz-tr.step` / `l78l12acz-tr.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/8588943841206001664) (40 pp, sha256 `8b73c521b7f1b36e`, retrieved 2026-09-27, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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/l78l12acz-tr-datasheet.pdf)
page.jsonadded+127@@ -0,0 +1,127 @@+{+ "slug": "l78l12acz-tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "l78l12acz-tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "l78l12acz-tr.kicad_sym",+ "l78l12acz-tr.kicad_mod",+ "l78l12acz-tr.glb",+ "l78l12acz-tr.step",+ "l78l12acz-tr.lbr",+ "docs/hero.png",+ "docs/l78l12acz-tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "L78L12ACZ-TR",+ "manufacturer": "STMicroelectronics",+ "package": "TO-92-3",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943841206001664",+ "parts": {+ "symbol": "l78l12acz-tr.kicad_sym",+ "footprint": "l78l12acz-tr.kicad_mod",+ "model_3d": "l78l12acz-tr-etched.glb",+ "model_3d_plain": "l78l12acz-tr.glb",+ "model_3d_step": "l78l12acz-tr-etched.step",+ "model_3d_step_plain": "l78l12acz-tr.step",+ "lbr": "l78l12acz-tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2798210",+ "digikey": "497-1196-2-ND",+ "mouser": "511-L78L12ACZ-TR"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T03:58:14Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-1196-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-L78L12ACZ-TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated 12 V output (11.5 V min, 12.5 V max at TJ=25 °C for AC grade); supplies up to 100 mA with internal current limiting and thermal shutdown; bypass with CO = 0.1 µF."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the regulator; common return for input and output; dropout voltage from input to output is 1.7 V typ."+ },+ {+ "number": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Unregulated DC input voltage; for VO = 12 V the operating input range is 14.5 V to 27 V (load/line reg.), absolute maximum 35 V; bypass with CI = 0.33 µF."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-sonnet-4-6",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-4-7",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 40,+ "cost_usd": 0.4475,+ "at": "2026-09-27T03:57:59"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943841206001664",+ "pages": 40,+ "sha256": "8b73c521b7f1b36e",+ "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]"+ }+}