component
ULQ2004A
Public Made by Adomby adom
STMicroelectronics Darlington Transistor Arrays, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "DIP-16",
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"category": "Transistors/Thyristors",
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"lcsc": "C2971247",
"digikey": "497-2360-5-ND",
"mouser": "511-ULQ2004A"
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"pins": [
{
"number": "1",
"name": "IN 1",
"type": "input",
"description": "Darlington driver 1 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "2",
"name": "IN 2",
"type": "input",
"description": "Darlington driver 2 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "3",
"name": "IN 3",
"type": "input",
"description": "Darlington driver 3 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "4",
"name": "IN 4",
"type": "input",
"description": "Darlington driver 4 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "5",
"name": "IN 5",
"type": "input",
"description": "Darlington driver 5 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "6",
"name": "IN 6",
"type": "input",
"description": "Darlington driver 6 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "7",
"name": "IN 7",
"type": "input",
"description": "Darlington driver 7 input, for ULQ2004 intended for 6-15 V CMOS/PMOS logic with absolute maximum input voltage of 30 V."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Common emitter ground of all seven Darlington drivers, carrying the sink current of the outputs."
},
{
"number": "9",
"name": "COMMON FREE WHEELING DIODES",
"type": "passive",
"description": "Common cathode of the seven integrated suppression (free-wheeling) diodes, connected to the positive supply of the inductive load, with clamp diode rated 50 V reverse and IF = 350 mA."
},
{
"number": "10",
"name": "OUT 7",
"type": "output",
"description": "Open-collector Darlington output 7 rated for 50 V and 500 mA continuous (600 mA peak)."
},
{
"number": "11",
"name": "OUT 6",
"type": "output",
"description": "Open-collector Darlington output 6 rated for 50 V and 500 mA continuous (600 mA peak)."
},
{
"number": "12",
"name": "OUT 5",
"type": "output",
"description": "Open-collector Darlington output 5 rated for 50 V and 500 mA continuous (600 mA peak)."
},
{
"number": "13",
"name": "OUT 4",
"type": "output",
"description": "Open-collector Darlington output 4 rated for 50 V and 500 mA continuous (600 mA peak)."
},
{
"number": "14",
"name": "OUT 3",
"type": "output",
"description": "Open-collector Darlington output 3 rated for 50 V and 500 mA continuous (600 mA peak)."
},
{
"number": "15",
"name": "OUT 2",
"type": "output",
"description": "Open-collector Darlington output 2 rated for 50 V and 500 mA continuous (600 mA peak)."
},
{
"number": "16",
"name": "OUT 1",
"type": "output",
"description": "Open-collector Darlington output 1 rated for 50 V and 500 mA continuous (600 mA peak)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin-connection figure is shared by ULQ2001/2003/2004 and is not labelled per package; the ULQ200; Pin 9 is labelled 'COMMON FREE WHEELING DIODES' (clamp diode common cathode). The datasheet gives no",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 14,
"cost_usd": 0.0664,
"at": "2026-11-06T00:05:18"
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"datasheet": {
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"pages": 14,
"sha256": "5b76cfd5a2b38468",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
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"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "DIP-16",
"Category": "Transistors/Thyristors",
"Pins": "16"
},
"appearance": {
"contacts": {
"quote": "pin plastic DIP packages with a copper leadframe to reduce thermal resistance. They are",
"page": 1,
"doc": "ds.pdf",
"material": "copper"
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"email": "[email protected]"
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