# SMD0603-020-16

**hongjiacheng** · Resettable Fuses · 0603

SMD0603-020-16 from hongjiacheng, 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 | One terminal of the non-polarized PTC resettable fuse, rated Ihold 0.20 A, Itrip 0.50 A, Vmax 16 V and Imax 40 A. |
| 2 | 2 | passive | Second terminal of the non-polarized PTC resettable fuse, interchangeable with the other terminal, with a resistance of 0.55 Ω min to 3.50 Ω max (Ri min and R1 max). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | 0603 |
| 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 voltage device can withstand (Vmax) | Vmax |  |  | 16 | V | At rated current (Imax), per datasheet definition | 3 |
| Maximum fault current device can withstand (Imax) | Imax |  |  | 40 | A | At rated voltage (Vmax), per datasheet definition | 3 |
| Hold current (Ihold) | Ihold |  | 0.2 |  | A | 25℃ still air | 2 |
| Trip current (Itrip) | Itrip | 0.5 |  |  | A | 25℃ still air | 2 |
| Maximum time-to-trip |  |  |  | 1 | Sec |  | 2 |
| Typical power dissipated in tripped state (Pd typ) | Pd |  | 0.5 |  | W | Tripped state, 25℃ still air | 2 |
| Operating / storage temperature |  | -40 |  | 85 | ℃ | Operating / storage temperature | 4 |
| Maximum device surface temperature in tripped state |  |  |  | 125 | ℃ | Tripped state | 4 |
| Peak reflow temperature (TP) | TP |  |  | 260 | ℃ | Pb-free reflow, printed as +260(+0/-5)℃; do not exceed +260℃ | 1 |

## CAD (KiCad official)

- Symbol: `SMD0603-020-16`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `smd0603-020-16-etched.step` / `smd0603-020-16-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd0603-020-16.step` / `smd0603-020-16.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [hongjiacheng datasheet](docs/smd0603-020-16-datasheet.pdf) (6 pp, sha256 `fa7ebd4833c04044`, retrieved 2026-10-13, 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/smd0603-020-16-datasheet.pdf)