# SMD0603B010TF

**Brightking** · Resettable Fuses · 0603

SMD0603B010TF from Brightking, 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 | Unpolarized PTC terminal; the device is rated Ihold 0.10 A, Itrip 0.30 A, Vmax 15 Vdc and Imax 40 A, and the pad is 1.00 mm x 1.00 mm typ. |
| 2 | 2 | passive | Unpolarized PTC terminal; the device is rated Ihold 0.10 A, Itrip 0.30 A, Vmax 15 Vdc and Imax 40 A, and the pad is 1.00 mm x 1.00 mm typ. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Brightking |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current (maximum current passed without tripping) | Ihold |  |  | 0.1 | A | Maximum current passed without tripping, 23°C still air | 1 |
| Trip current (minimum current that trips the device) | Itrip | 0.3 |  |  | A | Minimum current at which device trips, 23°C still air | 1 |
| Maximum voltage | Vmax |  |  | 15 | Vdc | Maximum voltage withstood without damage at rated current (Imax) | 1 |
| Maximum fault current | Imax |  |  | 40 | A | Maximum fault current withstood without damage at rated voltage (Vmax) | 1 |
| Typical power dissipated in tripped state | Pd |  | 0.5 |  | W | Tripped state, 23°C still air | 1 |
| Maximum time to trip | Time To Trip |  |  | 1 | Sec. | At 0.50 A current | 1 |
| Minimum resistance in initial (un-soldered) state | Rmin | 0.9 |  |  | Ω | Initial un-soldered state | 1 |
| Maximum resistance at 23°C after tripping or reflow | R1max |  |  | 6 | Ω | 23°C, measured one hour after tripping or reflow soldering at 260°C for 20 sec | 1 |
| Recommended hold current at ambient -40°C |  |  | 0.13 |  | A | Thermal derating, ambient -40°C | 3 |
| Recommended hold current at ambient -20°C |  |  | 0.12 |  | A | Thermal derating, ambient -20°C | 3 |
| Recommended hold current at ambient 0°C |  |  | 0.11 |  | A | Thermal derating, ambient 0°C | 3 |
| Recommended hold current at ambient 23°C |  |  | 0.1 |  | A | Thermal derating, ambient 23°C | 3 |
| Recommended hold current at ambient 40°C |  |  | 0.08 |  | A | Thermal derating, ambient 40°C | 3 |
| Recommended hold current at ambient 50°C |  |  | 0.07 |  | A | Thermal derating, ambient 50°C | 3 |
| Recommended hold current at ambient 60°C |  |  | 0.06 |  | A | Thermal derating, ambient 60°C | 3 |
| Recommended hold current at ambient 70°C |  |  | 0.05 |  | A | Thermal derating, ambient 70°C | 3 |
| Recommended hold current at ambient 85°C |  |  | 0.03 |  | A | Thermal derating, ambient 85°C | 3 |
| Operating / storage temperature |  | -40 |  | 85 | °C | Operating / storage temperature | 5 |
| Storage temperature (recommended storage condition) |  | 0 |  | 35 | °C | Storage, ≤70%RH | 4 |
| Maximum device surface temperature in tripped state |  |  |  | 125 | °C | Tripped state | 5 |
| Peak reflow temperature | TP |  |  | 260 | °C | Pb-free reflow, peak temperature | 4 |
| Passive aging resistance change |  | -50 |  | 50 | % | +85°C, 1000 hours; typical resistance change | 5 |
| Humidity aging resistance change |  | -50 |  | 50 | % | +85°C, 85%R.H., 1000 hours; typical resistance change | 5 |
| Thermal shock resistance change |  |  | -50 |  | % | MIL-STD-202 Method 107G, -40°C/+85°C, 20 times; typical resistance change | 5 |

## CAD (KiCad official)

- Symbol: `SMD0603B010TF`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `smd0603b010tf-etched.step` / `smd0603b010tf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd0603b010tf.step` / `smd0603b010tf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Brightking datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903003483357184) (7 pp, sha256 `7cdb26eecd7dbfde`, retrieved 2026-10-14, 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/smd0603b010tf-datasheet.pdf)