component
FTR1812-020
Public Made by Adomby adom
FTR Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "FTR1812-020",
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"category": "Circuit Protection",
"subcategory": "Resettable Fuses",
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},
{
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"description": "Non-polarized PTC terminal (solder-plated copper); interchangeable with the other terminal, recommended pad 1.78 mm wide with 3.45 mm typ. pad spacing."
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],
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
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"cost_usd": 0.1547,
"at": "2026-10-17T16:41:53"
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"pages": 6,
"sha256": "901196765d349b7b",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
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},
{
"file": "ftr1812-020-etched.step",
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"metadata": {
"specs": {
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"Package": "1812",
"Category": "Circuit Protection",
"Pins": "2"
},
"appearance": {
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"quote": "Terminal Material Solder-Plated Copper (Solder Material: Matte Tin (Sn))",
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"kind": "electrical",
"unit": "A",
"min": null,
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"max": 0.2,
"conditions": "23℃ still air",
"source_page": 1,
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"unit": "A",
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{
"name": "Maximum voltage (Vmax)",
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{
"name": "Maximum fault current (Imax)",
"symbol": "Imax",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
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{
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"min": null,
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{
"name": "Minimum resistance in initial (un-soldered) state",
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"symbol": "R1max",
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"max": 5,
"conditions": "23℃, one hour after tripping or reflow soldering of 260℃ for 20 sec",
"source_page": 1,
"source": "datasheet"
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{
"name": "Typical power dissipated in tripped state (Pd typ.)",
"symbol": "Pd",
"kind": "electrical",
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"min": null,
"typ": 0.8,
"max": null,
"conditions": "tripped state at 23℃ still air",
"source_page": 1,
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{
"name": "Hold current derating at ambient -40℃",
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{
"name": "Hold current derating at ambient 0℃",
"symbol": "Ihold",
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"min": null,
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{
"name": "Hold current derating at ambient 23℃",
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"source": "datasheet"
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{
"name": "Hold current derating at ambient 40℃",
"symbol": "Ihold",
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{
"name": "Hold current derating at ambient 50℃",
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{
"name": "Hold current derating at ambient 60℃",
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{
"name": "Hold current derating at ambient 70℃",
"symbol": "Ihold",
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"typ": null,
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"conditions": "ambient operation temperature 70℃",
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{
"name": "Hold current derating at ambient 85℃",
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"name": "Operating / storage temperature",
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{
"name": "Maximum device surface temperature in tripped state",
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"min": null,
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"max": 125,
"conditions": "tripped state",
"source_page": 5,
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{
"name": "Resistance change, passive aging",
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"conditions": "+85℃, 1000 hours; typical",
"source_page": 5,
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{
"name": "Peak reflow temperature (TP)",
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"kind": "thermal",
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"min": null,
"typ": null,
"max": 260,
"conditions": "Pb-free reflow profile",
"source_page": 4,
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"min": 20,
"typ": null,
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"source_page": 4,
"source": "datasheet"
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"kind": "thermal",
"unit": "s",
"min": 60,
"typ": null,
"max": 150,
"conditions": "above TL = 217℃, Pb-free reflow",
"source_page": 4,
"source": "datasheet"
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{
"name": "Storage condition (packaging)",
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"kind": "recommended_operating",
"unit": "℃",
"min": 0,
"typ": null,
"max": 35,
"conditions": "≤70%RH",
"source_page": 4,
"source": "datasheet"
}
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}
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"email": "[email protected]"
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