# 1.5KE75A-AT

**Brightking Elec (TAIWAN)** · TVS · DO-201

1.5KE75A-AT from Brightking Elec (TAIWAN), in a DO-201. 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 | K | passive | Cathode of the unidirectional TVS (axial lead at the color-band end); connect to the positive/protected line, with VRWM 64.10V, VBR 71.30~78.80V at 1mA and max VC 103.0V at IPP 14.8A for the 1.5KE75A-AT. |
| 2 | A | passive | Anode of the unidirectional TVS (axial lead at the end opposite the color band); connect to ground/return, with 1500W peak pulse power at 10/1000μs. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Brightking Elec (TAIWAN) |
| Package | DO-201 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `1.5KE75A-AT`
- Footprint: `Diode_THT:D_DO-201AD_P15.24mm_Horizontal`
- 3D model: DO-201 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Brightking Elec (TAIWAN) datasheet](docs/1-5ke75a-at-datasheet.pdf) (6 pp, sha256 `409360fd09016cbb`, retrieved 2026-10-24, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/1-5ke75a-at-datasheet.pdf)