# SGSLVU2.8-4

**SURGING** · ESD Protection Devices · SOP-8

SGSLVU2.8-4 from SURGING, in a SOP-8. 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 | Pin 1 (dot-marked corner) of the bottom-left TVS diode element, drawn connected to pin 2 in the pin configuration diagram. |
| 2 | 2 | passive | Second terminal of the bottom-left TVS diode element, paired with pin 1 in the pin configuration diagram. |
| 3 | 3 | passive | Terminal of the bottom-right TVS diode element, paired with pin 4 in the pin configuration diagram. |
| 4 | 4 | passive | Second terminal of the bottom-right TVS diode element, paired with pin 3 in the pin configuration diagram. |
| 5 | 5 | passive | Terminal of the top-right TVS diode element, paired with pin 6 in the pin configuration diagram. |
| 6 | 6 | passive | Second terminal of the top-right TVS diode element, paired with pin 5 in the pin configuration diagram. |
| 7 | 7 | passive | Terminal of the top-left TVS diode element, paired with pin 8 in the pin configuration diagram. |
| 8 | 8 | passive | Second terminal of the top-left TVS diode element, paired with pin 7 in the pin configuration diagram. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SURGING |
| Package | SOP-8 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `SGSLVU2.8-4`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `sgslvu2-8-4-etched.step` / `sgslvu2-8-4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sgslvu2-8-4.step` / `sgslvu2-8-4.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SURGING datasheet](docs/sgslvu2-8-4-datasheet.pdf) (3 pp, sha256 `ae6c172938a16821`, retrieved 2026-10-28, 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/sgslvu2-8-4-datasheet.pdf)