# SP1326-01LTG

**Littelfuse** · ESD And Surge Protection (TVS/ESD) · SOD-523

SP1326-01LTG from Littelfuse, in a SOD-523. 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 | I/O | bidirectional | One terminal of the bidirectional back-to-back TVS diode, rated for ±30kV IEC 61000-4-2 contact and air ESD and 4A of 8/20µs surge current per diode. |
| 2 | I/O | bidirectional | The other terminal of the bidirectional back-to-back TVS diode, rated for ±30kV IEC 61000-4-2 contact and air ESD and 4A of 8/20µs surge current per diode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | SOD-523 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `SP1326-01LTG`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `sp1326-01ltg-etched.step` / `sp1326-01ltg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sp1326-01ltg.step` / `sp1326-01ltg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940298651381760) (4 pp, sha256 `424884c00e976a7f`, retrieved 2026-10-13, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/sp1326-01ltg-datasheet.pdf)