# YFW3416

**YFW** · MOSFETs · SOT-23

YFW3416 from YFW, in a SOT-23. 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 | GATE | input | MOSFET gate terminal; gate-source voltage is rated VGS ±8 V. |
| 2 | SOURCE | passive | MOSFET source terminal; maximum body-diode continuous current IS is 2 A. |
| 3 | DRAIN | passive | MOSFET drain terminal; rated for drain-source voltage VDS of 20 V and continuous drain current ID of 6.5 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## 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 Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -8 |  | 8 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 6.5 | A |  | 1 |
| Drain Current-Pulsed (note 1) | IDM |  |  | 30 | A |  | 1 |
| Pulsed Drain Current (as printed; symbol PD, likely power dissipation) | PD |  |  | 1.4 | W |  | 1 |
| Junction Temperature | Tj | -55 |  | 150 | ℃ |  | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance From Junction to Ambient | RθJA | 70 |  | 90 | ℃/W | t ≤ 10s | 1 |
| Thermal Resistance From Junction to Ambient Steady-State | RθJA | 100 |  | 125 | ℃/W | Steady-State | 1 |
| Maximum Junction-to-Lead Steady-State | RθJL | 63 |  | 80 | ℃/W | Steady-State | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS | 20 |  |  | V | VGS=0V, ID=250uA | 2 |
| Zero Gate Voltage Drain current | IDSS |  |  | 1 | uA | VDS=20V, VGS=0V | 2 |
| Gate-body Leakage | IGSS | -10 |  | 10 | uA | VDS=±8V, VDS=0V | 2 |
| On state drain current | ID(ON) | 30 |  |  | A | VGS=4.5V, VDS=5V | 2 |
| Static Drain-Source On-Resistance (VGS=4.5V) | RDS(ON) |  | 16 | 22 | mΩ | VGS=4.5V, ID=6.5A | 2 |
| Static Drain-Source On-Resistance (VGS=2.5V) | RDS(ON) |  | 18 | 26 | mΩ | VGS=2.5V, ID=5.5A | 2 |
| Static Drain-Source On-Resistance (VGS=1.8V) | RDS(ON) |  | 21 | 34 | mΩ | VGS=1.8V, ID=5A | 2 |
| Gate-Threshold voltage | VGS(th) | 0.4 | 0.7 | 1.1 | V | VDS=VGS, ID=250uA | 2 |
| Diode Forward Voltage | VSD |  | 0.62 | 1 | V | IS=1A,VGS=0V | 2 |
| Maximum Body-Diode Continuous Current | IS |  |  | 2 | A |  | 2 |
| Input capacitance | Ciss |  | 1295 | 1650 | pF | VDS=10V, VGS=0V,f=1MHz | 2 |
| Body Diode Reverse Recovery Time | trr |  | 31 | 41 | nS | IF=6.5A, dI/dt=100A/ms | 2 |

## CAD (KiCad official)

- Symbol: `YFW3416`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `yfw3416-etched.step` / `yfw3416-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yfw3416.step` / `yfw3416.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [YFW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346233981485056) (6 pp, sha256 `11562d6d23eed0a1`, retrieved 2026-10-17, 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/yfw3416-datasheet.pdf)