# 0805L300SL9AR

**LUTE** · Resettable Fuses · 0805

0805L300SL9AR from LUTE, in a 0805. 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 the non-polarized PPTC resettable fuse (Ihold 3.00 A, Itrip 6.00 A, Vmax 6.0 Vdc, Imax 50 A). |
| 2 | 2 | passive | Terminal 2 of the non-polarized PPTC resettable fuse (Ihold 3.00 A, Itrip 6.00 A, Vmax 6.0 Vdc, Imax 50 A). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LUTE |
| Package | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| Time to trip (max) at 12.0 A |  |  |  | 5 | s | Time to Trip at current 12.0 A, 25℃ still air | 1 |
| Initial minimum resistance | R min | 0.003 |  |  | Ω | Minimum resistance in initial (un-soldered) state | 1 |
| Maximum resistance after trip or reflow | R 1max |  |  | 0.03 | Ω | 25℃, measured one hour after tripping or reflow soldering at 260℃ for 20 sec | 1 |
| Trip current (minimum) | I trip | 6 |  |  | A | 25℃ still air; minimum current at which the device trips | 1 |
| Maximum voltage withstand | V max |  |  | 6 | Vdc | At rated current (I max) | 1 |
| Maximum fault current withstand | I max |  |  | 50 | A | At rated voltage (V max) | 1 |
| Hold current (nominal) | I hold |  | 3 |  | A | 25℃ still air; maximum current device passes without tripping | 1 |
| Typical power dissipated when tripped | P d |  | 1 |  | W | Tripped state, 25℃ still air | 1 |
| Hold current vs ambient temperature | I hold |  | 4.5 |  | A | Ambient temperature -40℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 3.9 |  | A | Ambient temperature -20℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 3.3 |  | A | Ambient temperature 0℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 3 |  | A | Ambient temperature 25℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 2.7 |  | A | Ambient temperature 40℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 2.1 |  | A | Ambient temperature 50℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 2 |  | A | Ambient temperature 60℃ | 1 |
| Hold current vs ambient temperature | I hold |  | 1.8 |  | A | Ambient temperature 70℃ | 1 |

## CAD (KiCad official)

- Symbol: `0805L300SL9AR`
- Footprint: `Fuse:Fuse_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `0805l300sl9ar-etched.step` / `0805l300sl9ar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0805l300sl9ar.step` / `0805l300sl9ar.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [LUTE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602905595112939520) (1 pp, sha256 `ad9b3ce7e41af79f`, retrieved 2026-10-18, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/0805l300sl9ar-datasheet.pdf)