# CC12H1A-TR

**EATON** · Disposable Fuses · 1206

CC12H1A-TR from EATON, 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 | First terminal of the CC12H1A 1 A, 63 Vdc chip fuse (non-polarized); the drawing shows a 0.51 mm end termination and a 1.52 mm wide recommended pad. |
| 2 | 2 | passive | Second terminal of the CC12H1A 1 A, 63 Vdc chip fuse (non-polarized), at the opposite end of the 3.20 mm body, with a 1.52 mm wide recommended pad. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | EATON |
| 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 100% of rated current (250 mA - 30 A) |  | 4 |  |  | hours | Amp rating 250 mA, 30 A, condition 100% | 2 |
| Opening time at 200% of rated current (1 A - 3 A) |  | 1 |  | 60 | s | Amp rating 1 A, 3 A, condition 200% | 2 |
| Opening time at 250% of rated current (1 A - 5 A) |  |  |  | 5 | s | Amp rating 1 A, 5 A, condition 250% | 2 |
| Opening time at 300% of rated current (1 A - 5 A) |  | 0.1 |  | 3 | s | Amp rating 1 A, 5 A, condition 300% | 2 |
| Operating temperature |  | -55 |  | 125 | °C | With derating (see temperature derating curve) | 6 |
| Current rating |  |  | 1 |  | A | Part CC12H1A / CC12H1A-TR | 2 |
| Voltage rating |  |  | 63 |  | Vdc | Part CC12H1A / CC12H1A-TR | 2 |
| DC interrupting rating |  |  | 50 |  | A | Measured at rated voltage, time constant of less than 50 microseconds, battery source | 2 |
| Typical DC cold resistance |  |  | 470 |  | mΩ | Measured at <10% of rated current | 2 |
| Typical pre-arcing I²t |  |  | 0.18 |  | A2s | Measured at 10In rated current | 2 |
| Typical voltage drop |  |  | 490 |  | mV |  | 2 |

## CAD (KiCad official)

- Symbol: `CC12H1A-TR`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `cc12h1a-tr-etched.step` / `cc12h1a-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cc12h1a-tr.step` / `cc12h1a-tr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [EATON datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590234762729459713) (8 pp, sha256 `240f263697e2187a`, retrieved 2026-10-19, 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/cc12h1a-tr-datasheet.pdf)