# CC12H7A-TR

**EATON** · Disposable Fuses · 1206

CC12H7A-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 | Fuse terminal 1 (non-polarized), rated 7 A, 32 Vdc, 100 A interrupting rating for the CC12H7A. |
| 2 | 2 | passive | Fuse terminal 2 (non-polarized), rated 7 A, 32 Vdc, 100 A interrupting rating for the CC12H7A. |

## 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 (minimum) |  | 4 |  |  | hours | 100% of amp rating, 250 mA - 30 A: 4 hours minimum | 2 |
| Opening time at 350% of rated current (maximum) |  |  |  | 5 | s | 350% of amp rating, 6 A - 30 A: 5 s max | 2 |
| Operating temperature |  | -55 |  | 125 | °C | With derating (see temperature derating curve) | 6 |
| Current rating |  |  | 7 |  | A | Rated current of CC12H7A | 2 |
| Voltage rating |  |  | 32 |  | Vdc | Rated voltage, CC12H7A | 2 |
| Typical DC cold resistance |  |  | 11.5 |  | mΩ | Measured at <10% of rated current | 2 |
| Typical pre-arcing I2t |  |  | 18 |  | A2s | Measured at 10In rated current | 2 |
| Typical voltage drop |  |  | 130 |  | mV |  | 2 |
| Interrupting rating |  |  | 100 |  | A | DC, at rated voltage, time constant less than 50 microseconds, battery source | 2 |

## CAD (KiCad official)

- Symbol: `CC12H7A-TR`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `cc12h7a-tr-etched.step` / `cc12h7a-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cc12h7a-tr.step` / `cc12h7a-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/8589808392513753088) (8 pp, sha256 `0d110f1f5f609559`, retrieved 2026-10-17, 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/cc12h7a-tr-datasheet.pdf)