component
SMD1812-350
Public Made by Adomby adom
BORN Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "smd1812-350",
"title": "SMD1812-350",
"brief": "BORN Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"category": "Circuit Protection",
"subcategory": "Resettable Fuses",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922965750542336",
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"lbr": "smd1812-350.lbr"
},
"distributor_links": {
"lcsc": "C22366126"
},
"distributor_check": {
"checked_at": "2026-10-18T15:20:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "1",
"type": "passive",
"description": "Non-polarized PPTC terminal (tin-plated nickel-copper) in series with the protected circuit, rated I-hold 3.50 A and I-trip 7.00 A at 25 °C, with Vmax of 6, 12 or 16 Vdc depending on the -350 variant."
},
{
"number": "2",
"name": "2",
"type": "passive",
"description": "Second non-polarized PPTC terminal, interchangeable with the other terminal, rated I-hold 3.50 A and I-trip 7.00 A at 25 °C, with Imax of 100 A at Vmax."
}
],
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"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 draws two unnumbered pads (pad layout on page 7) and gives no pin numbering. Pins 1 an; The MPN 'SMD1812-350' has no voltage suffix. The datasheet lists SMD1812-350/6N, /12N and /16N with ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 8,
"cost_usd": 0.2098,
"at": "2026-10-18T15:16:12"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922965750542336",
"pages": 8,
"sha256": "294e382d427046cd",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 2,
"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"seat": "z = 0",
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"footprint_binding": "identity",
"sha256": "9b67739c264289abed13eb93ba7cc03801a597a9fd5f7acf746c3060219a8bcc",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "smd1812-350-etched.step",
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"footprint_binding": "identity",
"sha256": "01b7a0e7d28987fee28d509dc4b04183fb154e34bdd9aa584e8a46f4a9f0179f",
"checked": "2026-10-18",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "BORN",
"Package": "1812",
"Category": "Circuit Protection",
"Pins": "2"
},
"appearance": {
"contacts": {
"quote": "Terminal Material Tin-Plated Nickle-Copper (Solder Material:",
"page": 7,
"doc": "ds.pdf",
"material": "Copper",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "294e382d427046cdfceb1976dbc6fcfc565c3348b353b90855774fe2c57613f2"
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"characteristics": {
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"source": "datasheet",
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"rows": [
{
"name": "Minimum resistance, initial un-soldered state (R0 min, 350/xx N family)",
"symbol": "R0",
"kind": "electrical",
"unit": "Ohm",
"min": 0.008,
"typ": null,
"max": null,
"conditions": "Initial (un-soldered) state",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum resistance one hour after tripping or 260℃ reflow (R1 max, 350/xx N family)",
"symbol": "R1",
"kind": "electrical",
"unit": "Ohm",
"min": null,
"typ": null,
"max": 0.035,
"conditions": "25℃, one hour after tripping or reflow soldering of 260℃ for 20 sec",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Holding current (I-hold)",
"symbol": "I-hold",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 3.5,
"conditions": "25℃ still air; maximum current at which the device will not trip",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Tripping current (I-trip)",
"symbol": "I-trip",
"kind": "electrical",
"unit": "A",
"min": 7,
"typ": null,
"max": null,
"conditions": "25℃ still air; minimum current at which the device will trip",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum fault current withstand (Imax)",
"symbol": "Imax",
"kind": "absolute_maximum",
"unit": "A",
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{
"name": "Maximum time to trip",
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"typ": null,
"max": 4,
"conditions": "At 10.00 A, 25 °C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipated in tripped state (Pd typ)",
"symbol": "Pd",
"kind": "electrical",
"unit": "W",
"min": null,
"typ": 1,
"max": null,
"conditions": "Tripped state, 25℃ still air (typical)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum device surface temperature in tripped state",
"symbol": "",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
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"source_page": 3,
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{
"name": "Resistance change, passive aging",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -5,
"typ": null,
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"conditions": "+85 °C, 1000 hours; typical resistance change",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Resistance change, humidity aging",
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"unit": "%",
"min": -5,
"typ": null,
"max": 5,
"conditions": "+85 °C, 85 % R.H., 1000 hours; typical resistance change",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Resistance change, thermal shock",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": -30,
"max": null,
"conditions": "MIL-STD-202 Method 107, +85 °C to -40 °C, 20 times; typical resistance change",
"source_page": 3,
"source": "datasheet"
}
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}
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"email": "[email protected]"
},
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