# R12.100.8

**Reomax** · Disposable Fuses · 1206

R12.100.8 from Reomax, in a 1206. 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 | One end termination (silver over-plated with tin) of the non-polarized 8A slow-blow fuse element, interchangeable with the other terminal; pad 1.52 mm x 2.03 mm per the pad layout. |
| 2 | 2 | passive | Other end termination (silver over-plated with tin) of the non-polarized 8A slow-blow fuse element, interchangeable with terminal 1; pad 1.52 mm x 2.03 mm per the pad layout. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Reomax |
| Package | 1206 |
| 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 |
|---|---|---|---|---|---|---|---|
| Opening time at 350% of rated current (6A~30A range) |  |  |  | 5 | s | 350% of rated current, 6A~30A | 1 |
| Opening time at 1000% of rated current (250mA~30A range) |  | 0.2 |  | 20 | ms | 1000% of rated current, 250mA~30A | 1 |
| Hold time at 100% of rated current |  | 4 |  |  | hours | 100% of amp rating | 1 |
| Operating temperature |  | -55 |  | 125 | °C | Consult temperature rerating curve chart | 2 |
| Rated current |  |  | 8 |  | A |  | 1 |

## CAD (KiCad official)

- Symbol: `R12.100.8`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `r12-100-8-etched.step` / `r12-100-8-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `r12-100-8.step` / `r12-100-8.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Reomax datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916423076028416) (4 pp, sha256 `c1f560e2a821a924`, retrieved 2026-10-18, tier: lcsc)
- **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/r12-100-8-datasheet.pdf)