# 4406

**HL** · MOSFETs · SOP-8

4406 from HL, in a SOP-8. 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 | S | passive | Source terminal of the N-channel MOSFET, grouped with pins 2 and 3 as the source connection in the ordering table; continuous source current IS is limited to 13 A. |
| 2 | S | passive | Source terminal of the N-channel MOSFET, grouped with pins 1 and 3 as the source connection; continuous source current IS is limited to 13 A. |
| 3 | S | passive | Source terminal of the N-channel MOSFET, grouped with pins 1 and 2 as the source connection; continuous source current IS is limited to 13 A. |
| 4 | G | input | Gate terminal of the MOSFET; gate-source voltage is rated at VGSS ±20 V. |
| 5 | D | passive | Drain terminal of the MOSFET, grouped with pins 6, 7 and 8 as the drain connection; drain-source voltage is rated at VDSS 30 V with continuous drain current ID 13 A at TC = 25℃. |
| 6 | D | passive | Drain terminal of the MOSFET, grouped with pins 5, 7 and 8 as the drain connection; drain-source voltage is rated at VDSS 30 V. |
| 7 | D | passive | Drain terminal of the MOSFET, grouped with pins 5, 6 and 8 as the drain connection; drain-source voltage is rated at VDSS 30 V. |
| 8 | D | passive | Drain terminal of the MOSFET, grouped with pins 5, 6 and 7 as the drain connection; drain-source voltage is rated at VDSS 30 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HL |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `4406`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `4406-etched.step` / `4406-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `4406.step` / `4406.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HL datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757864318379397120) (7 pp, sha256 `995df8f662a275e4`, retrieved 2026-10-09, 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/4406-datasheet.pdf)