# 0ZCH0075AF2E

**Bel Fuse** · Resettable Fuses · 1210

0ZCH0075AF2E from Bel Fuse, in a 1210. 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 | 1210 |
| 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 |
|---|---|---|---|---|---|---|---|
| Minimum device resistance at 23°C, initial un-soldered state | Rmin | 0.13 |  |  | Ohms | 23°C, initial un-soldered state | 1 |
| Maximum device resistance after trip or soldering | R1max |  |  | 0.4 | Ohms | 23°C, 1 hour after initial device trip, or after soldering to PCB | 1 |
| Hold current | IH |  |  | 0.75 | A | Maximum current at which device will not trip, still air at 23°C | 1 |
| Trip current | IT | 1.5 |  |  | A | Minimum current at which device will trip, still air at 23°C | 1 |
| Maximum time to trip |  |  |  | 8 | sec |  | 1 |
| Typical power dissipated in tripped state | Pd |  | 0.6 |  | W | Tripped state, 23°C still air | 1 |
| Rated (maximum) voltage | Vmax |  |  | 24 | Vdc | Maximum voltage device can withstand at its rated current without damage | 1 |
| Maximum fault current at rated voltage | Imax |  |  | 100 | A | At rated voltage (Vmax) without damage | 1 |
| Operating temperature range |  | -40 |  | 85 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `0ZCH0075AF2E`
- Footprint: `Fuse:Fuse_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `0zch0075af2e-etched.step` / `0zch0075af2e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0zch0075af2e.step` / `0zch0075af2e.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/8590399207514406912) (4 pp, sha256 `697ab41e04d00aeb`, 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/0zch0075af2e-datasheet.pdf)