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RF1335-000
Public Made by Adomby adom
Littelfuse 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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RF1335-000
Littelfuse · Resettable Fuses · 1812
RF1335-000 from Littelfuse, 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 | Littelfuse |
| 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 as supplied | RMIN | 0.6 | Ω | as supplied at 20°C unless otherwise specified | 2 | ||
| Maximum resistance one hour post-trip or post-reflow | R1MAX | 3.3 | Ω | measured one hour post-trip or post-reflow at 20°C | 2 | ||
| Maximum continuous voltage (VMAX) | VMAX | 30 | VDC | at rated current | 2 | ||
| Maximum fault current (IMAX) | IMAX | 10 | A | at rated voltage | 2 | ||
| Max column (unlabeled 'MAX' header, A) | 8 | A | 2 | ||||
| Max time-to-trip | 0.02 | s | 2 | ||||
| Hold current (IH) | IH | 0.2 | A | maximum current device will pass without interruption in 20°C still air | 2 | ||
| Trip current (IT) | IT | 0.4 | A | minimum current that will switch the device from low to high resistance in 20°C still air | 2 | ||
| Power dissipated in tripped state (PD) | PD | 0.8 | W | power dissipated from device when in the tripped state in 20°C still air | 2 |
CAD (KiCad official)
- Symbol:
RF1335-000 - 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:
rf1335-000-etched.step/rf1335-000-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rf1335-000.step/rf1335-000.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (7 pp, sha256
d8900313dd6a79f4, 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).
# RF1335-000
**Littelfuse** · Resettable Fuses · 1812
RF1335-000 from Littelfuse, 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 | Littelfuse |
| 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 as supplied | RMIN | 0.6 | | | Ω | as supplied at 20°C unless otherwise specified | 2 |
| Maximum resistance one hour post-trip or post-reflow | R1MAX | | | 3.3 | Ω | measured one hour post-trip or post-reflow at 20°C | 2 |
| Maximum continuous voltage (VMAX) | VMAX | | | 30 | VDC | at rated current | 2 |
| Maximum fault current (IMAX) | IMAX | | | 10 | A | at rated voltage | 2 |
| Max column (unlabeled 'MAX' header, A) | | | | 8 | A | | 2 |
| Max time-to-trip | | | | 0.02 | s | | 2 |
| Hold current (IH) | IH | | 0.2 | | A | maximum current device will pass without interruption in 20°C still air | 2 |
| Trip current (IT) | IT | | 0.4 | | A | minimum current that will switch the device from low to high resistance in 20°C still air | 2 |
| Power dissipated in tripped state (PD) | PD | | 0.8 | | W | power dissipated from device when in the tripped state in 20°C still air | 2 |
## CAD (KiCad official)
- Symbol: `RF1335-000`
- 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: `rf1335-000-etched.step` / `rf1335-000-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rf1335-000.step` / `rf1335-000.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590239347330359296) (7 pp, sha256 `d8900313dd6a79f4`, retrieved 2026-10-15, 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/rf1335-000-datasheet.pdf)