# SL3404

**Slkor SLKORMICRO Elec** · MOSFETs · SOT-23

SL3404 from Slkor SLKORMICRO Elec, 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 | G | input | Gate; gate-source voltage limited to ±20 V max, threshold VGS(th) 1 V min to 3 V max at ID=250uA. |
| 2 | S | passive | Source terminal of the N-channel MOSFET; continuous drain current 5 A max (18 A pulsed). |
| 3 | D | passive | Drain terminal; drain-source voltage 30 V max, continuous drain current 5 A, pulsed 18 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Slkor SLKORMICRO Elec |
| 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 | BVDSS |  |  | 30 | V |  | 1 |
| Gate-Source Voltage | VGS |  |  | 20 | V |  | 1 |
| Drain Current (continuous) | ID |  |  | 5 | A |  | 1 |
| Drain Current (pulsed) | IDM |  |  | 18 | A |  | 1 |
| Total Device Dissipation | PD |  |  | 1400 | mW | TA=25℃ | 1 |
| Junction | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 30 |  |  | V | ID =250uA,VGS=0V | 2 |
| Gate Threshold Voltage | VGS(th) | 1 |  | 3 | V | ID = 250uA,VGS= VDS | 2 |
| Diode Forward Voltage Drop | VSD |  | 0.7 | 1 | V | IS= 1A,VGS=0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | uA | VGS=0V, VDS= 30V | 2 |
| Gate Body Leakage | IGSS |  |  | 100 | nA | VGS=+20V, VDS=0V | 2 |
| Static Drain-Source On-State Resistance | RDS(ON) |  | 25 | 28 | mΩ | ID= 5A,VGS=10V | 2 |
| Static Drain-Source On-State Resistance | RDS(ON) |  | 40 | 45 | mΩ | ID= 3A,VGS=4.5V | 2 |

## CAD (KiCad official)

- Symbol: `SL3404`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `sl3404-etched.step` / `sl3404-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl3404.step` / `sl3404.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Slkor SLKORMICRO Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912851691966464) (3 pp, sha256 `1c37ad457295230e`, retrieved 2026-10-18, 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/sl3404-datasheet.pdf)