# P6KE51A-T

**Diodes Incorporated** · ESD And Surge Protection (TVS/ESD) · DO-15

P6KE51A-T from Diodes Incorporated, in a DO-15. 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 lead, marked by the cathode band on the unidirectional P6KE51A; it connects to the protected positive line and the device clamps at 70.1V max at 8.6A IPP (VRWM 43.6V). |
| 2 | A | passive | Anode lead, at the end opposite the cathode band; it connects to the return or ground side and the device is rated for 600W peak pulse power (tP = 1.0ms). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | DO-15 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `P6KE51A-T`
- Footprint: `Diode_THT:D_DO-15_P12.70mm_Horizontal`
- 3D model: DO-15 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8558417574322475008) (4 pp, sha256 `163a83d82749d073`, retrieved 2026-10-13, 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/p6ke51a-t-datasheet.pdf)