# SMD0603-020-24V

**TECHFUSE** · Resettable Fuses · 0603

SMD0603-020-24V from TECHFUSE, in a 0603. 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 non-polarized resettable PPTC fuse (tin-plated nickel-copper pad, 0.7 mm pad per recommended layout); rated 24 Vdc max, 0.20 A hold, 0.50 A trip, 40 A max fault current. |
| 2 | 2 | passive | Second terminal of the non-polarized resettable PPTC fuse, interchangeable with the first terminal; rated 24 Vdc max, 0.20 A hold, 0.50 A trip, 40 A max fault current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECHFUSE |
| Package | 0603 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `SMD0603-020-24V`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `smd0603-020-24v-etched.step` / `smd0603-020-24v-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd0603-020-24v.step` / `smd0603-020-24v.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECHFUSE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602992983319339008) (4 pp, sha256 `3c3477b7c17fa16c`, retrieved 2026-10-09, 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/smd0603-020-24v-datasheet.pdf)