# SL1210150

**TECHFUSE** · Resettable Fuses · 1210

SL1210150 from TECHFUSE, in a 1210. 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 | Non-polarized terminal of the SL1210150 PTC, rated 1.5 A hold, 3.0 A trip, 3.0 V max and 6.0 A max fault current. |
| 2 | 2 | passive | Second non-polarized terminal of the SL1210150 PTC, with a resistance of 0.005 to 0.012 ohm initially and at most 0.050 ohm after reflow. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECHFUSE |
| Package | 1210 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `SL1210150`
- Footprint: `Fuse:Fuse_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `sl1210150-etched.step` / `sl1210150-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl1210150.step` / `sl1210150.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/8588916436748550144) (5 pp, sha256 `8ae482acc55ca041`, 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/sl1210150-datasheet.pdf)