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FTR1812-014
Public Made by Adomby adom
FTR Resettable Fuses, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownFTR1812-014
FTR · Resettable Fuses · 1812
FTR1812-014 from FTR, in a 1812. 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 | 1 | passive | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FTR |
| Package | 1812 |
| Category | Circuit Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Trip current (minimum) | Itrip | 0.34 | A | 23℃ still air | 1 | ||
| Minimum resistance, initial (un-soldered) state | Rmin | 1.5 | Ω | initial (un-soldered) state | 1 | ||
| Maximum voltage device can withstand without damage | Vmax | 60 | V | without damage at rated current (Imax) | 1 | ||
| Maximum fault current device can withstand without damage | Imax | 10 | A | without damage at rated voltage (Vmax) | 1 | ||
| Maximum resistance after tripping or reflow | R1max | 6 | Ω | 23℃, measured one hour after tripping or reflow soldering of 260℃ for 20 sec | 1 | ||
| Maximum time to trip | 0.15 | s | at 1.50 A current | 1 | |||
| Operating / storage temperature | -40 | 85 | ℃ | Operating / storage temperature range | 5 | ||
| Maximum device surface temperature in tripped state | 125 | ℃ | tripped state | 5 | |||
| Peak temperature (reflow profile) | TP | 260 | ℃ | Pb-free reflow profile, peak temperature | 4 | ||
| Passive aging resistance change | -50 | 50 | % | +85℃, 1000 hours; typical resistance change | 5 | ||
| Humidity aging resistance change | -50 | 50 | % | +85℃, 85%RH, 1000 hours; typical resistance change | 5 | ||
| Hold current | Ihold | 0.14 | A | maximum current device will pass without tripping in 23℃ still air | 1 | ||
| Typical power dissipated in tripped state | Pd | 0.8 | W | typical, tripped state at 23℃ still air | 1 | ||
| Thermal shock resistance change | -50 | % | MIL-STD-202 Method 107G, +85℃/-40℃ 20 times; typical resistance change | 5 |
CAD (KiCad official)
- Symbol:
FTR1812-014 - Footprint:
Fuse:Fuse_1812_4532Metric - 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
ftr1812-014-etched.step/ftr1812-014-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ftr1812-014.step/ftr1812-014.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FTR datasheet (6 pp, sha256
901196765d349b7b, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).