component
LM2903WDT
Public Made by Adomby adom
STMicroelectronics Comparators, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LM2903WDT++**STMicroelectronics** · Comparators · SO-8++LM2903WDT from STMicroelectronics, in a SO-8. 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 | Output 1 | output | Comparator 1 open-collector output with 250 mV typical saturation voltage at Isink = 4 mA and maximum 700 mV over operating temperature. |+| 2 | Inverting input 1 | input | Inverting input of comparator 1 with 25 nA typical input bias current and ±5 nA typical input offset current. |+| 3 | Non-inverting input 1 | input | Non-inverting input of comparator 1 with 25 nA typical input bias current and ±5 nA typical input offset current. |+| 4 | VCC- | power_in | Negative supply voltage; 0 V for single supply operation (0 to +36 V) or -18 V for split supply operation (±1 V to ±18 V). |+| 5 | Non-inverting input 2 | input | Non-inverting input of comparator 2 with 25 nA typical input bias current and ±5 nA typical input offset current. |+| 6 | Inverting input 2 | input | Inverting input of comparator 2 with 25 nA typical input bias current and ±5 nA typical input offset current. |+| 7 | Output 2 | output | Comparator 2 open-collector output with 250 mV typical saturation voltage at Isink = 4 mA and maximum 700 mV over operating temperature. |+| 8 | VCC+ | power_in | Positive supply voltage; +2 V to +36 V for single supply operation or +1 V to +18 V for split supply operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SO-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM2903WDT`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SO-8 (KiCad packages3D, STEP)+- 3D model files: `lm2903wdt-etched.step` / `lm2903wdt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2903wdt.step` / `lm2903wdt.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/8603086153155293184) (16 pp, sha256 `16f1dc1b15fe0cd9`, 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/lm2903wdt-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "lm2903wdt",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Comparators, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "lm2903wdt",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm2903wdt.kicad_sym",+ "lm2903wdt.kicad_mod",+ "lm2903wdt.glb",+ "lm2903wdt.step",+ "lm2903wdt.lbr",+ "docs/hero.png",+ "docs/lm2903wdt-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM2903WDT",+ "manufacturer": "STMicroelectronics",+ "package": "SO-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Comparators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603086153155293184",+ "parts": {+ "symbol": "lm2903wdt.kicad_sym",+ "footprint": "lm2903wdt.kicad_mod",+ "model_3d": "lm2903wdt-etched.glb",+ "model_3d_plain": "lm2903wdt.glb",+ "model_3d_step": "lm2903wdt-etched.step",+ "model_3d_step_plain": "lm2903wdt.step",+ "lbr": "lm2903wdt.lbr"+ },+ "distributor_links": {+ "lcsc": "C2971111"+ },+ "pins": [+ {+ "number": "1",+ "name": "Output 1",+ "type": "output",+ "description": "Comparator 1 open-collector output with 250 mV typical saturation voltage at Isink = 4 mA and maximum 700 mV over operating temperature."+ },+ {+ "number": "2",+ "name": "Inverting input 1",+ "type": "input",+ "description": "Inverting input of comparator 1 with 25 nA typical input bias current and ±5 nA typical input offset current."+ },+ {+ "number": "3",+ "name": "Non-inverting input 1",+ "type": "input",+ "description": "Non-inverting input of comparator 1 with 25 nA typical input bias current and ±5 nA typical input offset current."+ },+ {+ "number": "4",+ "name": "VCC-",+ "type": "power_in",+ "description": "Negative supply voltage; 0 V for single supply operation (0 to +36 V) or -18 V for split supply operation (±1 V to ±18 V)."+ },+ {+ "number": "5",+ "name": "Non-inverting input 2",+ "type": "input",+ "description": "Non-inverting input of comparator 2 with 25 nA typical input bias current and ±5 nA typical input offset current."+ },+ {+ "number": "6",+ "name": "Inverting input 2",+ "type": "input",+ "description": "Inverting input of comparator 2 with 25 nA typical input bias current and ±5 nA typical input offset current."+ },+ {+ "number": "7",+ "name": "Output 2",+ "type": "output",+ "description": "Comparator 2 open-collector output with 250 mV typical saturation voltage at Isink = 4 mA and maximum 700 mV over operating temperature."+ },+ {+ "number": "8",+ "name": "VCC+",+ "type": "power_in",+ "description": "Positive supply voltage; +2 V to +36 V for single supply operation or +1 V to +18 V for split supply operation."+ }+ ],+ "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": 16,+ "cost_usd": 0.1073,+ "at": "2026-09-23T04:17:38"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603086153155293184",+ "pages": 16,+ "sha256": "16f1dc1b15fe0cd9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "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]"+ }+}