# FDC655BN

**TECH PUBLIC** · MOSFETs · SOT-23-6

FDC655BN from TECH PUBLIC, in a SOT-23-6. 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 | D | passive | Drain; connected internally with pins 2, 5 and 6, rated for VDS 30V and continuous ID 6A. |
| 2 | D | passive | Drain; connected internally with pins 1, 5 and 6, rated for VDS 30V and continuous ID 6A. |
| 3 | G | input | Gate; gate-source voltage limit is ±20V with threshold VGS(TH) of 1.0V min to 2.5V max. |
| 4 | S | passive | Source; the source terminal of the N-channel MOSFET, with body diode continuous forward current of 6A max. |
| 5 | D | passive | Drain; connected internally with pins 1, 2 and 6, rated for VDS 30V and continuous ID 6A. |
| 6 | D | passive | Drain; connected internally with pins 1, 2 and 5, rated for VDS 30V and continuous ID 6A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23-6 |
| Category | Transistors/Thyristors |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `FDC655BN`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `fdc655bn-etched.step` / `fdc655bn-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fdc655bn.step` / `fdc655bn.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590233459861467136) (4 pp, sha256 `4693d0c8c261b4f5`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/fdc655bn-datasheet.pdf)