component
KMSMD300
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.
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KMSMD300
KUU · Resettable Fuses · 1812
KMSMD300 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 |
|---|---|---|---|---|---|---|---|
| V max | 6 | V | 1 | ||||
| I max | 100 | A | 1 | ||||
| Maximum action time (column headed (Sec.)) | 5 | Sec. | 1 | ||||
| R min | 0.012 | Ω | 1 | ||||
| R1 max | 0.06 | Ω | 1 | ||||
| Pd typ | 1.2 | W | 1 | ||||
| IT (trip current) | IT | 6 | A | 1 | |||
| Hold current IH at ambient -40℃ | IH | 4.4 | A | Ambient -40℃ | 3 | ||
| Hold current IH at ambient -20℃ | IH | 3.9 | A | Ambient -20℃ | 3 | ||
| Hold current IH at ambient 0℃ | IH | 3.5 | A | Ambient 0℃ | 3 | ||
| Hold current IH at ambient 25℃ | IH | 3 | A | Ambient 25℃ | 3 | ||
| Hold current IH at ambient 40℃ | IH | 2.6 | A | Ambient 40℃ | 3 | ||
| Hold current IH at ambient 50℃ | IH | 2.3 | A | Ambient 50℃ | 3 | ||
| Hold current IH at ambient 60℃ | IH | 2.1 | A | Ambient 60℃ | 3 | ||
| Hold current IH at ambient 70℃ | IH | 1.8 | A | Ambient 70℃ | 3 | ||
| Hold current IH at ambient 85℃ | IH | 1.5 | A | Ambient 85℃ | 3 |
CAD (KiCad official)
- Symbol:
KMSMD300 - 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:
kmsmd300-etched.step/kmsmd300-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);kmsmd300.step/kmsmd300.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (3 pp, sha256
66f8e3aeae0fefee, retrieved 2026-10-19, 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).
# KMSMD300
**KUU** · Resettable Fuses · 1812
KMSMD300 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 |
|---|---|---|---|---|---|---|---|
| V max | | | | 6 | V | | 1 |
| I max | | | | 100 | A | | 1 |
| Maximum action time (column headed (Sec.)) | | | | 5 | Sec. | | 1 |
| R min | | 0.012 | | | Ω | | 1 |
| R1 max | | | | 0.06 | Ω | | 1 |
| Pd typ | | | 1.2 | | W | | 1 |
| IT (trip current) | IT | | 6 | | A | | 1 |
| Hold current IH at ambient -40℃ | IH | | 4.4 | | A | Ambient -40℃ | 3 |
| Hold current IH at ambient -20℃ | IH | | 3.9 | | A | Ambient -20℃ | 3 |
| Hold current IH at ambient 0℃ | IH | | 3.5 | | A | Ambient 0℃ | 3 |
| Hold current IH at ambient 25℃ | IH | | 3 | | A | Ambient 25℃ | 3 |
| Hold current IH at ambient 40℃ | IH | | 2.6 | | A | Ambient 40℃ | 3 |
| Hold current IH at ambient 50℃ | IH | | 2.3 | | A | Ambient 50℃ | 3 |
| Hold current IH at ambient 60℃ | IH | | 2.1 | | A | Ambient 60℃ | 3 |
| Hold current IH at ambient 70℃ | IH | | 1.8 | | A | Ambient 70℃ | 3 |
| Hold current IH at ambient 85℃ | IH | | 1.5 | | A | Ambient 85℃ | 3 |
## CAD (KiCad official)
- Symbol: `KMSMD300`
- 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: `kmsmd300-etched.step` / `kmsmd300-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kmsmd300.step` / `kmsmd300.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [KUU datasheet](docs/kmsmd300-datasheet.pdf) (3 pp, sha256 `66f8e3aeae0fefee`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/kmsmd300-datasheet.pdf)