# WP61300B

**WPMtek Wei Pan Microelectronics** · ESD And Surge Protection (TVS/ESD) · SMB(DO-214AA)

WP61300B from WPMtek Wei Pan Microelectronics, in a SMB(DO-214AA). 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 | Pin 1 | passive | Line-side terminal of the bidirectional thyristor/TVS protector (VRM 25V, VBO 40V max, IPP 100A), connected to the protected signal line. |
| 2 | Pin 2 | passive | Second terminal of the two-terminal thyristor/TVS protector (VRM 25V, VBO 40V max), connected to the other line or return of the protected pair. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | WPMtek Wei Pan Microelectronics |
| Package | SMB(DO-214AA) |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `WP61300B`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files: `wp61300b-etched.step` / `wp61300b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wp61300b.step` / `wp61300b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [WPMtek Wei Pan Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757103708448530432) (5 pp, sha256 `2bd0d4391e2fdaa5`, 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/wp61300b-datasheet.pdf)