# PTS12066V050

**EATON** · Resettable Fuses · 1206

PTS12066V050 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |

## 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 |
|---|---|---|---|---|---|---|---|
| Maximum continuous voltage (Vmax) | Vmax |  |  | 6 | Vdc |  | 2 |
| Maximum fault current (Imax) | Imax |  |  | 100 | A | at rated voltage | 2 |
| Maximum hold current (Ihold) | Ihold |  |  | 0.5 | A | +23 °C still air | 2 |
| Minimum trip current (Itrip) | Itrip | 1 |  |  | A | +23 °C still air | 2 |
| Time to trip (maximum) |  |  |  | 0.1 | seconds |  | 2 |
| Initial resistance minimum (Ri) | Ri | 0.15 |  |  | Ω | +23 °C | 2 |
| Post trip resistance maximum (R1) | R1 |  |  | 0.7 | Ω | one hour post reflow at +23 °C | 2 |
| Operating temperature |  | -40 |  | 85 | °C | with derating | 4 |
| Storage temperature |  | -10 |  | 40 | °C |  | 4 |
| Humidity resistance change |  | -5 |  | 5 | % | +85 °C, 85% relative humidity, 1000 hours; typical resistance change | 4 |
| Power dissipated in tripped state (Pd) | Pd |  | 0.6 |  | W | tripped state at +23 °C still air | 2 |
| Thermal shock resistance change |  |  | -33 |  | % | 20 cycles, -40 °C to +85 °C; typical resistance change | 4 |
| Reflow ramp-up rate (TL to Tp) |  |  |  | 3 | °C/second | Reference J-STD-020 | 5 |
| Reflow ramp-down rate (Tp to TL) |  |  |  | 6 | °C/second | Reference J-STD-020 | 5 |
| Time 25 °C to peak temperature |  |  |  | 6 | minutes | Standard SnPb solder | 5 |
| Time 25 °C to peak temperature |  |  |  | 8 | minutes | Lead (Pb) free solder | 5 |

## CAD (KiCad official)

- Symbol: `PTS12066V050`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `pts12066v050-etched.step` / `pts12066v050-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pts12066v050.step` / `pts12066v050.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/8590474585671176192) (5 pp, sha256 `f45593050f509860`, retrieved 2026-10-18, 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/pts12066v050-datasheet.pdf)