# FH8810

**XIN FEI HONG** · MOSFETs · SOT-23-6

FH8810 from XIN FEI HONG, 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 | S1 | passive | Source of MOSFET 1 (pin-1 marker side), part of a dual N-channel 20V device. |
| 2 | D1/D2 | passive | Common drain of MOSFET 1 and MOSFET 2, internally tied together (D1 and D2 joined in the schematic). |
| 3 | S2 | passive | Source of MOSFET 2. |
| 4 | G2 | input | Gate of MOSFET 2, ESD protected (2000V HBM), absolute maximum VGS ±8V, logic-level drive down to 1.8V. |
| 5 | D1/D2 | passive | Common drain of MOSFET 1 and MOSFET 2, internally tied together (D1 and D2 joined in the schematic). |
| 6 | G1 | input | Gate of MOSFET 1, ESD protected (2000V HBM), absolute maximum VGS ±8V, logic-level drive down to 1.8V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XIN FEI HONG |
| Package | SOT-23-6 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 6 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source On-State Resistance (VGS=4.5V, ID=4A) | RDS(ON) |  |  | 18 | mΩ | VGS=4.5V,ID=4A | 2 |
| Drain-Source On-State Resistance (VGS=2.5V, ID=3A) | RDS(ON) |  |  | 23 | mΩ | VGS=2.5V,ID=3A | 2 |
| Drain-Source On-State Resistance (VGS=1.8V, ID=3A) | RDS(ON) |  |  | 29 | mΩ | VGS=1.8V,ID=3A | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -8 |  | 8 | V |  | 1 |
| Drain Current-Continuous | ID |  |  | 8 | A |  | 1 |
| Drain Current-Pulsed | IDM |  |  | 30 | A | Note 1 | 1 |
| Maximum Power Dissipation | PD |  |  | 1.25 | W |  | 1 |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance, Junction-to-Ambient | RθJA |  |  | 83 | ℃/W | Note 2 | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 20 |  |  | V | VGS=0V ID=250μA | 2 |
| Gate-Body Leakage Current | IGSS | -10 |  | 10 | μA | VGS=±8V,VDS=0V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.4 | 0.7 | 1 | V | VDS=VGS,ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=20V,VGS=0V | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS=0V,IS=1A | 2 |
| Diode Forward Current | IS |  |  | 3 | A | Note 2 | 2 |

## CAD (KiCad official)

- Symbol: `FH8810`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `fh8810-etched.step` / `fh8810-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fh8810.step` / `fh8810.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XIN FEI HONG datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945769684742144) (6 pp, sha256 `f9f55e5027035633`, retrieved 2026-10-19, 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/fh8810-datasheet.pdf)