component
LM339SR
Public Made by Adomby adom
COSINE Comparators, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
lm339sr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wit…
f6b961e
1d ago
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{
"slug": "lm339sr",
"version": "0.1.0",
"type": "component",
"description": "COSINE Comparators, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"amplifiers-comparators",
"lm339sr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lm339sr.kicad_sym",
"lm339sr.kicad_mod",
"lm339sr.glb",
"lm339sr.step",
"lm339sr.lbr",
"docs/hero.png",
"docs/lm339sr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm339sr-hero.glb",
"lm339sr-hero.overlay.json"
],
"component": {
"mpn": "LM339SR",
"manufacturer": "COSINE",
"package": "SOP-14",
"pin_count": 14,
"category": "Amplifiers/Comparators",
"subcategory": "Comparators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603352579254329344",
"parts": {
"symbol": "lm339sr.kicad_sym",
"footprint": "lm339sr.kicad_mod",
"model_3d": "lm339sr-hero.glb",
"model_3d_plain": "lm339sr.glb",
"model_3d_step": "lm339sr-etched.step",
"model_3d_step_plain": "lm339sr.step",
"lbr": "lm339sr.lbr"
},
"distributor_links": {
"lcsc": "C25503984"
},
"distributor_check": {
"checked_at": "2026-10-09T21:56:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 547 calls left today"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "OUT2",
"type": "output",
"description": "Output of comparator 2, open-drain; connect to a load or pull-up resistor."
},
{
"number": "2",
"name": "OUT1",
"type": "output",
"description": "Output of comparator 1, open-drain; connect to a load or pull-up resistor."
},
{
"number": "3",
"name": "+Vs",
"type": "power_in",
"description": "Positive power supply (2V to 36V single supply); place a 0.1µF bypass capacitor as close to the part as possible."
},
{
"number": "4",
"name": "-IN1",
"type": "input",
"description": "Inverting input of comparator 1; voltage range -Vs -0.3V to +Vs +0.3V."
},
{
"number": "5",
"name": "+IN1",
"type": "input",
"description": "Non-inverting input of comparator 1; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
},
{
"number": "6",
"name": "-IN2",
"type": "input",
"description": "Inverting input of comparator 2; voltage range -Vs -0.3V to +Vs +0.3V."
},
{
"number": "7",
"name": "+IN2",
"type": "input",
"description": "Non-inverting input of comparator 2; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
},
{
"number": "8",
"name": "-IN3",
"type": "input",
"description": "Inverting input of comparator 3; voltage range -Vs -0.3V to +Vs +0.3V."
},
{
"number": "9",
"name": "+IN3",
"type": "input",
"description": "Non-inverting input of comparator 3; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
},
{
"number": "10",
"name": "-IN4",
"type": "input",
"description": "Inverting input of comparator 4; voltage range -Vs -0.3V to +Vs +0.3V."
},
{
"number": "11",
"name": "+IN4",
"type": "input",
"description": "Non-inverting input of comparator 4; same voltage range as -IN (-Vs -0.3V to +Vs +0.3V)."
},
{
"number": "12",
"name": "-Vs",
"type": "power_in",
"description": "Negative power supply or ground; if not grounded, bypass with a 0.1µF capacitor close to the part."
},
{
"number": "13",
"name": "OUT4",
"type": "output",
"description": "Output of comparator 4, open-drain; connect to a load or pull-up resistor."
},
{
"number": "14",
"name": "OUT3",
"type": "output",
"description": "Output of comparator 3, open-drain; connect to a load or pull-up resistor."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"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 datasheet shows one shared SOP-14/TSSOP-14 pin diagram. The SOP-14 pin numbering comes from that",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 9,
"cost_usd": 0.2545,
"at": "2026-10-09T21:54:37"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603352579254329344",
"pages": 9,
"sha256": "6a3fe0a3e7e8bccc",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lm339sr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm339sr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "893076dabe37e65957cba53392e20d6794b19c84c38003c4327852bf99af4dd0",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}