component
TL431ACL5T
Public Made by Adomby adom
STMicroelectronics Voltage References, SOT-23-5. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+41@@ -0,0 +1,41 @@+# TL431ACL5T++**STMicroelectronics** · Voltage References · SOT-23-5++TL431ACL5T from STMicroelectronics, in a SOT-23-5. 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 | Anode | power_in | Anode terminal; connection to high-side supply voltage (operating voltage Vref to 36 V relative to cathode). |+| 2 | NC | unconnected | No connect; unused internal connection. |+| 3 | Ref | input | Reference input pin for voltage divider feedback network that programs the regulated output voltage (reference input current -0.05 to +10 mA, absolute maximum per Table 1). |+| 4 | NC | unconnected | No connect; unused internal connection. |+| 5 | Cathode | output | Cathode terminal; regulated reference output point where the device sinks current from anode with capability of 1 to 100 mA (sink current per Table 2, page 4). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOT-23-5 |+| Category | Power Supply Chip |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `TL431ACL5T`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `tl431acl5t-etched.step` / `tl431acl5t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl431acl5t.step` / `tl431acl5t.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/8588927341754400768) (22 pp, sha256 `d174b1869a9d426d`, retrieved 2026-09-29, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tl431acl5t-datasheet.pdf)
page.jsonadded+125@@ -0,0 +1,125 @@+{+ "slug": "tl431acl5t",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Voltage References, SOT-23-5. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power supply chip",+ "tl431acl5t",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tl431acl5t.kicad_sym",+ "tl431acl5t.kicad_mod",+ "tl431acl5t.glb",+ "tl431acl5t.step",+ "tl431acl5t.lbr",+ "docs/hero.png",+ "docs/tl431acl5t-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "TL431ACL5T",+ "manufacturer": "STMicroelectronics",+ "package": "SOT-23-5",+ "pin_count": 5,+ "category": "Power Supply Chip",+ "subcategory": "Voltage References",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588927341754400768",+ "parts": {+ "symbol": "tl431acl5t.kicad_sym",+ "footprint": "tl431acl5t.kicad_mod",+ "model_3d": "tl431acl5t-etched.glb",+ "model_3d_plain": "tl431acl5t.glb",+ "model_3d_step": "tl431acl5t-etched.step",+ "model_3d_step_plain": "tl431acl5t.step",+ "lbr": "tl431acl5t.lbr"+ },+ "distributor_links": {+ "lcsc": "C2157665",+ "digikey": "497-TL431ACL5TTR-ND",+ "mouser": "511-TL431ACL5T"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T23:32:49Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-TL431ACL5TTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-TL431ACL5T",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "Anode",+ "type": "power_in",+ "description": "Anode terminal; connection to high-side supply voltage (operating voltage Vref to 36 V relative to cathode)."+ },+ {+ "number": "2",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect; unused internal connection."+ },+ {+ "number": "3",+ "name": "Ref",+ "type": "input",+ "description": "Reference input pin for voltage divider feedback network that programs the regulated output voltage (reference input current -0.05 to +10 mA, absolute maximum per Table 1)."+ },+ {+ "number": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect; unused internal connection."+ },+ {+ "number": "5",+ "name": "Cathode",+ "type": "output",+ "description": "Cathode terminal; regulated reference output point where the device sinks current from anode with capability of 1 to 100 mA (sink current per Table 2, page 4)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588927341754400768",+ "pages": 22,+ "sha256": "d174b1869a9d426d",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "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]"+ }+}