# 0ZCJ0050AF2E

**Bel Fuse** · Resettable Fuses · 1206

0ZCJ0050AF2E from Bel Fuse, 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 | Bel Fuse |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current (maximum current that does not trip) | IH |  |  | 0.5 | A | still air at 23°C | 1 |
| Trip current (minimum current that trips) | IT | 1 |  |  | A | still air at 23°C | 1 |
| Maximum voltage device can withstand at its rated current | Vmax |  |  | 24 | Vdc | at rated current | 1 |
| Maximum fault current device can withstand without damage | Imax |  |  | 100 | A | at rated voltage (Vmax) without damage | 1 |
| Typical power dissipated in tripped state | Pd |  | 0.6 |  | W | tripped state, 23°C still air | 1 |
| Maximum time to trip |  |  |  | 0.1 | Sec | at 8.00 A | 1 |
| Minimum device resistance (initial, un-soldered) | Rmin | 0.15 |  |  | Ohms | 23°C, initial un-soldered state | 1 |
| Maximum device resistance (after trip or soldering) | R1max |  |  | 0.75 | Ohms | 23°C, 1 hour after initial trip, or after soldering to PCB | 1 |
| Operating (ambient) temperature range |  | -40 |  | 85 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `0ZCJ0050AF2E`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `0zcj0050af2e-etched.step` / `0zcj0050af2e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0zcj0050af2e.step` / `0zcj0050af2e.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Bel Fuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589784647782998016) (4 pp, sha256 `85f7f921368d50f3`, retrieved 2026-10-19, 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/0zcj0050af2e-datasheet.pdf)