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ULN2003ACM
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HGSEMI Darlington Transistor Arrays, SOP-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# ULN2003ACM++**HGSEMI** · Darlington Transistor Arrays · SOP-16++ULN2003ACM from HGSEMI, in a SOP-16. 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 | 1B | input | Input 1: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 2 | 2B | input | Input 2: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 3 | 3B | input | Input 3: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 4 | 4B | input | Input 4: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 5 | 5B | input | Input 5: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 6 | 6B | input | Input 6: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 7 | 7B | input | Input 7: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V. |+| 8 | GND | power_in | Common emitter ground return for all seven Darlington output stages. |+| 9 | COM | power_in | Flyback-suppression diode common cathode; connect to load supply (up to 50 V) to clamp inductive-load transients; diode VF = 1.7-2.0 V at IF = 350 mA. |+| 10 | 7C | output | Output 7: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |+| 11 | 6C | output | Output 6: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |+| 12 | 5C | output | Output 5: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |+| 13 | 4C | output | Output 4: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |+| 14 | 3C | output | Output 3: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |+| 15 | 2C | output | Output 2: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |+| 16 | 1C | output | Output 1: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-16 |+| Category | Transistors/Thyristors |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `ULN2003ACM`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOP-16 (KiCad packages3D, STEP)+- 3D model files: `uln2003acm-etched.step` / `uln2003acm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uln2003acm.step` / `uln2003acm.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758075323617689600) (9 pp, sha256 `91521ebac52846fe`, retrieved 2026-09-29, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/uln2003acm-datasheet.pdf)
page.jsonadded+188@@ -0,0 +1,188 @@+{+ "slug": "uln2003acm",+ "version": "0.1.0",+ "type": "component",+ "description": "HGSEMI Darlington Transistor Arrays, SOP-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "transistors-thyristors",+ "uln2003acm",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "uln2003acm.kicad_sym",+ "uln2003acm.kicad_mod",+ "uln2003acm.glb",+ "uln2003acm.step",+ "uln2003acm.lbr",+ "docs/hero.png",+ "docs/uln2003acm-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "ULN2003ACM",+ "manufacturer": "HGSEMI",+ "package": "SOP-16",+ "pin_count": 16,+ "category": "Transistors/Thyristors",+ "subcategory": "Darlington Transistor Arrays",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758075323617689600",+ "parts": {+ "symbol": "uln2003acm.kicad_sym",+ "footprint": "uln2003acm.kicad_mod",+ "model_3d": "uln2003acm-etched.glb",+ "model_3d_plain": "uln2003acm.glb",+ "model_3d_step": "uln2003acm-etched.step",+ "model_3d_step_plain": "uln2003acm.step",+ "lbr": "uln2003acm.lbr"+ },+ "distributor_links": {+ "lcsc": "C910869"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T16:56:00Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "1B",+ "type": "input",+ "description": "Input 1: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "2",+ "name": "2B",+ "type": "input",+ "description": "Input 2: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "3",+ "name": "3B",+ "type": "input",+ "description": "Input 3: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "4",+ "name": "4B",+ "type": "input",+ "description": "Input 4: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "5",+ "name": "5B",+ "type": "input",+ "description": "Input 5: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "6",+ "name": "6B",+ "type": "input",+ "description": "Input 6: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "7",+ "name": "7B",+ "type": "input",+ "description": "Input 7: NPN Darlington base input with 2.7 kΩ series resistor; TTL/CMOS compatible, VI(ON) 2.4-3.0 V, input voltage range −0.3 V to 30 V."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Common emitter ground return for all seven Darlington output stages."+ },+ {+ "number": "9",+ "name": "COM",+ "type": "power_in",+ "description": "Flyback-suppression diode common cathode; connect to load supply (up to 50 V) to clamp inductive-load transients; diode VF = 1.7-2.0 V at IF = 350 mA."+ },+ {+ "number": "10",+ "name": "7C",+ "type": "output",+ "description": "Output 7: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ },+ {+ "number": "11",+ "name": "6C",+ "type": "output",+ "description": "Output 6: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ },+ {+ "number": "12",+ "name": "5C",+ "type": "output",+ "description": "Output 5: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ },+ {+ "number": "13",+ "name": "4C",+ "type": "output",+ "description": "Output 4: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ },+ {+ "number": "14",+ "name": "3C",+ "type": "output",+ "description": "Output 3: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ },+ {+ "number": "15",+ "name": "2C",+ "type": "output",+ "description": "Output 2: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ },+ {+ "number": "16",+ "name": "1C",+ "type": "output",+ "description": "Output 1: open-collector NPN Darlington; max VCEO = 50 V, IC(continuous) = 500 mA, VCE(sat) = 1.3 V max at IC = 350 mA / IB = 500 µA."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758075323617689600",+ "pages": 9,+ "sha256": "91521ebac52846fe",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}