# SL1206260

**TECHFUSE** · Resettable Fuses · 1206

SL1206260 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 end terminal of the SL1206260 PPTC thermistor (hold current 2.60 A, trip current 5.2 A at 25℃, Vmax 6.0 V, Imax 50 A). |
| 2 | 2 | passive | Other end terminal of the SL1206260 PPTC thermistor (hold current 2.60 A, trip current 5.2 A at 25℃, 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 |
|---|---|---|---|---|---|---|---|
| Hold current (maximum current that does not trip at 25℃ or 60℃) | IH |  |  | 2.6 | A | 25℃ or 60℃, still air, reflow 260℃ 20 s | 2 |
| Trip current (minimum current that always trips at 25℃) | IT | 5.2 |  |  | A | 25℃, still air, reflow 260℃ 20 s | 2 |
| Maximum continuous voltage | Vmax |  |  | 6 | V | At rated current | 2 |
| Maximum fault current | Imax |  |  | 50 | A | At rated voltage | 2 |
| Typical power dissipation | Pdtyp |  | 1.2 |  | W | Tripped state, still air | 2 |
| Maximum time to trip | Ttrip |  |  | 12 | s | At assigned current (5.0 A column, see review); reflow 260℃ 20 s | 2 |
| Minimum resistance in initial (un-soldered) state | Rmin | 0.004 |  |  | Ω | Initial un-soldered state | 2 |
| Maximum resistance in initial (un-soldered) state | Rmax |  |  | 0.009 | Ω | Initial un-soldered state | 2 |
| Maximum resistance at 25℃ one hour after reflow | R1max |  |  | 0.035 | Ω | 25℃, measured one hour after reflow 260℃ 20 s; PWB 0.030 in 1.5oz copper traces | 2 |
| Resistance change, vibration |  | -5 |  | 5 | % | MIL-STD-883C Method 2007.1 Condition A | 2 |
| Recommended storage temperature (maximum) |  |  |  | 40 | ℃ | Storage | 2 |
| Recommended storage relative humidity (maximum) |  |  |  | 70 | % R.H. | Storage | 2 |
| Hold current at ambient -40℃ (thermal derating) |  |  |  | 3.5 | A | Ambient temperature -40℃ | 3 |
| Hold current at ambient -20℃ (thermal derating) |  |  |  | 3 | A | Ambient temperature -20℃ | 3 |
| Hold current at ambient 0℃ (thermal derating) |  |  |  | 2.8 | A | Ambient temperature 0℃ | 3 |
| Hold current at ambient 25℃ (thermal derating) |  |  |  | 2.6 | A | Ambient temperature 25℃ | 3 |
| Hold current at ambient 40℃ (thermal derating) |  |  |  | 2.1 | A | Ambient temperature 40℃ | 3 |
| Hold current at ambient 50℃ (thermal derating) |  |  |  | 1.9 | A | Ambient temperature 50℃ | 3 |
| Hold current at ambient 60℃ (thermal derating) |  |  |  | 1.8 | A | Ambient temperature 60℃ | 3 |
| Hold current at ambient 70℃ (thermal derating) |  |  |  | 1.5 | A | Ambient temperature 70℃ | 3 |

## CAD (KiCad official)

- Symbol: `SL1206260`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `sl1206260-etched.step` / `sl1206260-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl1206260.step` / `sl1206260.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/8588916502291992576) (4 pp, sha256 `cf3d6cb18e8e5a3e`, 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/sl1206260-datasheet.pdf)