# FIR4N65FG-VB

**VBsemi Elec** · MOSFETs · TO-220F

FIR4N65FG-VB from VBsemi Elec, 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 terminal of the N-channel MOSFET, with gate-source voltage limited to ±30 V in the absolute maximum ratings. |
| 2 | D | passive | Drain terminal of the N-channel MOSFET, rated for a drain-source voltage of 650 V. |
| 3 | S | passive | Source terminal of the N-channel MOSFET, with continuous source-drain diode current IS rated at 4 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | VBsemi Elec |
| Package | TO-220F |
| Category | Triode/MOS Tube/Transistor |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `FIR4N65FG-VB`
- 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:** [VBsemi Elec datasheet](docs/fir4n65fg-vb-datasheet.pdf) (9 pp, sha256 `f0980bc0b44f0a5f`, retrieved 2026-10-26, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/fir4n65fg-vb-datasheet.pdf)