# SL1206500

**TECHFUSE** · Resettable Fuses · 1206

SL1206500 from TECHFUSE, 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 | One of two interchangeable (non-polarized) end terminals of the resettable PTC fuse; rated Hold 5.00 A, Trip 10.0 A at 25°C, Vmax 6.0 V, Imax 50 A. |
| 2 | 2 | passive | Other interchangeable (non-polarized) end terminal of the resettable PTC fuse; rated Hold 5.00 A, Trip 10.0 A at 25°C, Vmax 6.0 V, Imax 50 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECHFUSE |
| 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 |
|---|---|---|---|---|---|---|---|
| Minimum resistance (initial, un-soldered) | Rmin | 0.001 |  |  | Ω | 25℃, initial un-soldered state | 1 |
| Maximum resistance after reflow | R1max |  |  | 0.012 | Ω | 25℃, measured one hour after reflow soldering 260℃ for 20 sec | 1 |
| Maximum continuous voltage | Vmax |  |  | 6 | V | Maximum continuous voltage device can withstand without damage at rated current | 1 |
| Maximum fault current | Imax |  |  | 50 | A | Maximum fault current device can withstand without damage at rated voltage | 1 |
| Trip current | IT | 10 |  |  | A | 25℃ still air, reflow soldering 260℃ for 20 sec; minimum current at which device always trips | 1 |
| Hold current | IH |  |  | 5 | A | 25℃ still air, reflow soldering 260℃ for 20 sec; maximum current at which device will not trip | 1 |
| Maximum time to trip | Ttrip |  |  | 5 | s | 25℃, at assigned trip current of 16.0 A | 1 |
| Typical power dissipation | Pdtyp |  | 1.5 |  | W | when in state air environment | 1 |
| Assigned trip current for Ttrip |  |  | 16 |  | A | 25℃, test current for time to trip | 1 |
| Recommended storage temperature |  |  |  | 40 | ℃ | Recommended storage conditions | 2 |
| Recommended storage relative humidity |  |  |  | 70 | % | Recommended storage conditions | 2 |
| Hold current at maximum ambient | IH |  | 7.5 |  | A | Ambient -40℃ | 2 |
| Hold current at maximum ambient | IH |  | 6.5 |  | A | Ambient -20℃ | 2 |
| Hold current at maximum ambient | IH |  | 5.5 |  | A | Ambient 0℃ | 2 |
| Hold current at maximum ambient | IH |  | 5 |  | A | Ambient 25℃ | 2 |
| Hold current at maximum ambient | IH |  | 4.5 |  | A | Ambient 40℃ | 2 |
| Hold current at maximum ambient | IH |  | 3.5 |  | A | Ambient 50℃ | 2 |
| Hold current at maximum ambient | IH |  | 3.3 |  | A | Ambient 60℃ | 2 |
| Hold current at maximum ambient | IH |  | 3 |  | A | Ambient 70℃ | 2 |

## CAD (KiCad official)

- Symbol: `SL1206500`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `sl1206500-etched.step` / `sl1206500-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl1206500.step` / `sl1206500.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/8603346453146181632) (5 pp, sha256 `f61afaf32f1aa270`, retrieved 2026-10-18, 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/sl1206500-datasheet.pdf)