component
K1812L200
Public Made by Adomby adom
KUU 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
markdownK1812L200
KUU · Resettable Fuses · 1812
K1812L200 from KUU, 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 | KUU |
| 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 |
|---|---|---|---|---|---|---|---|
| Holding current | IH | 2 | A | 25℃ still air; max current at which device will not trip | 1 | ||
| Tripping current | IT | 4 | A | 25℃ still air; min current at which device will trip | 1 | ||
| Maximum voltage | Vmax | 12 | V | at rated current | 1 | ||
| Maximum fault current | I max | 100 | A | at rated voltage | 1 | ||
| Maximum time to trip | Ttrip | 3 | s | at 8.0 A | 1 | ||
| Rated working power | Pd | 1.2 | W | 1 | |||
| Minimum resistance prior to trip | R min | 0.02 | Ω | at 25℃ | 1 | ||
| Maximum resistance one hour post reflow | R1max | 0.08 | Ω | measured one hour post reflow at 25℃ | 1 | ||
| Maximum ambient operating temperature | -40 | 85 | ℃ | thermal derating table range (hold/trip current derating -40℃ to 85℃) | 1 | ||
| Reflow peak temperature | 260 | ℃ | recommended reflow profile peak | 1 | |||
| Average ramp-up rate | 3 | ℃/second | average ramp-up in reflow profile | 1 | |||
| Ramp-down rate | 6 | ℃/second | ramp-down in reflow profile | 1 |
CAD (KiCad official)
- Symbol:
K1812L200 - 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:
k1812l200-etched.step/k1812l200-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);k1812l200.step/k1812l200.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (1 pp, sha256
bc00642f5e3205a3, retrieved 2026-10-14, 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).