# WTM40N65AF

**WPMtek(Wei Pan Microelectronics)** · MOSFETs · TO-220F

WTM40N65AF from WPMtek(Wei Pan Microelectronics), in a TO-220F. 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 | G | input | Gate; gate-source voltage is rated ±30 V absolute maximum, with a threshold of 3.0 to 5.0 V at VDS = VGS, ID = 250 uA. |
| 2 | D | passive | Drain; drain-source voltage is rated 650 V, with continuous drain current of 40 A at TC = 25℃ (23 A at 100℃) and 110 A pulsed. |
| 3 | S | passive | Source; the body diode carries a continuous forward current of 40 A and a pulsed current of 110 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | WPMtek(Wei Pan Microelectronics) |
| Package | TO-220F |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `WTM40N65AF`
- Footprint: `Package_TO_SOT_THT:TO-220F-3_Vertical`
- 3D model: TO-220F (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [WPMtek(Wei Pan Microelectronics) datasheet](docs/wtm40n65af-datasheet.pdf) (10 pp, sha256 `44df0189cc5e2a48`, retrieved 2026-10-26, 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/wtm40n65af-datasheet.pdf)