component
K1812L075PR
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
markdownK1812L075PR
KUU · Resettable Fuses · 1812
K1812L075PR 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 |
|---|---|---|---|---|---|---|---|
| Minimum resistance | R min | 0.11 | Ω | 1 | |||
| Maximum resistance after trip (R1) | R1 max | 0.45 | Ω | 1 | |||
| Maximum voltage | V max | 16 | V | 1 | |||
| Maximum current | I max | 40 | A | 1 | |||
| Maximum time to trip | 0.2 | s | 1 | ||||
| Hold current | IH | 0.75 | A | Ambient 25℃ (IH column) | 1 | ||
| Trip current | IT | 1.5 | A | 1 | |||
| Power dissipation | Pd typ | 0.8 | W | 1 | |||
| Hold current vs ambient temperature | 0.16 | A | Ambient -40℃ | 3 | |||
| Hold current vs ambient temperature | 0.14 | A | Ambient -20℃ | 3 | |||
| Hold current vs ambient temperature | 0.12 | A | Ambient 0℃ | 3 | |||
| Hold current vs ambient temperature | 0.1 | A | Ambient 25℃ | 3 | |||
| Hold current vs ambient temperature | 0.08 | A | Ambient 40℃ | 3 | |||
| Hold current vs ambient temperature | 0.07 | A | Ambient 50℃ | 3 | |||
| Hold current vs ambient temperature | 0.06 | A | Ambient 60℃ | 3 | |||
| Hold current vs ambient temperature | 0.05 | A | Ambient 70℃ | 3 | |||
| Hold current vs ambient temperature | 0.03 | A | Ambient 85℃ | 3 |
CAD (KiCad official)
- Symbol:
K1812L075PR - 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:
k1812l075pr-etched.step/k1812l075pr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);k1812l075pr.step/k1812l075pr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (3 pp, sha256
b3fbc50fa7279685, retrieved 2026-10-18, 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).