# 4532-075-LF

**Brightking** · Gas Discharge Tube Arresters (GDT) · 1812

4532-075-LF from Brightking, in a 1812. 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 | First electrode of the two-terminal surface-mount gas discharge tube (DC spark-over 55~95V, 2000A 8/20μs impulse discharge current), interchangeable with the other electrode. |
| 2 | 2 | passive | Second electrode of the two-terminal surface-mount gas discharge tube (DC spark-over 55~95V, 2000A 8/20μs impulse discharge current), interchangeable with the other electrode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Brightking |
| Package | 1812 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `4532-075-LF`
- Footprint: `Resistor_SMD:R_1812_4532Metric`
- 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files: `4532-075-lf-etched.step` / `4532-075-lf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `4532-075-lf.step` / `4532-075-lf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Brightking datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906304366915584) (4 pp, sha256 `42c70a15b60c3a6c`, retrieved 2026-09-29, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/4532-075-lf-datasheet.pdf)