# SKML2803

**Shikues** · MOSFETs · SOT-23

SKML2803 from Shikues, 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 | Gate terminal of the N-channel MOSFET; gate-source voltage limited to ±20 V with threshold of 1 V min, 1.4 V typ, 3 V max at ID=250 uA. |
| 2 | SOURCE | passive | Source terminal of the N-channel MOSFET; body diode forward current up to 1.7 A. |
| 3 | DRAIN | passive | Drain terminal of the N-channel MOSFET; drain-source voltage rated 30 V and drain current 4.5 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shikues |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate-Threshold Voltage | Vth(GS) | 1 | 1.4 | 3 | V | VDS= VGS, ID=250 uA | 1 |
| Gate-body Leakage | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 1 |
| Drain-Source On-Resistance | rDS(ON) |  | 31 | 42 | mΩ | VGS=10 V, ID=4.9A | 1 |
| Drain-Source On-Resistance | rDS(ON) |  | 46 | 65 | mΩ | VGS=4.5V, ID=4.1A | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Drain-Source voltage | VDS |  | 30 |  | V |  | 1 |
| Drain current | ID |  | 4.5 |  | A |  | 1 |
| Power Dissipation | PD |  | 1.13 |  | W |  | 1 |
| Junction Temperature | Tj |  | 150 |  | ℃ |  | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS |  | 30 |  | V | VGS=0V,ID=250uA | 1 |
| Zero Gate Voltage Drain Current | IDSS |  | 1 |  | uA | VDS=30V, VGS=0V | 1 |
| Forward Transconductance | gfs |  | 9.5 |  | s | VDS=5V, ID=2.0A | 1 |
| Input Capacitance | Ciss |  | 234.85 |  | pF | VDS=15V, VGS=0V, f=200K Hz | 1 |
| Output Capacitance | Coss |  | 33.7 |  | pF | VDS=15V, VGS=0V, f=200K Hz | 1 |
| Reverse Transfer Capacitance | Crss |  | 26.82 |  | pF | VDS=15V, VGS=0V, f=200K Hz | 1 |
| Turn-on Delay Time | td(on) |  | 4.26 |  | nS | VDD=15V, ID=1.0A, VGEN = 10 V, RGEN=6Ω | 1 |
| Turn-on Rise Time | tr |  | 2.83 |  | nS | VDD=15V, ID=1.0A, VGEN = 10 V, RGEN=6Ω | 1 |
| Turn-off Delay Time | td(off) |  | 18.72 |  | nS | VDD=15V, ID=1.0A, VGEN = 10 V, RGEN=6Ω | 1 |
| Turn-off Fall Time | tf |  | 2.59 |  | nS | VDD=15V, ID=1.0A, VGEN = 10 V, RGEN=6Ω | 1 |
| Total Gate Charge | Qg |  | 4.02 |  | nC | VDS=15V, ID=4.5A, VGS=10V | 1 |
| Gate-Source Charge | Qgs |  | 1.18 |  | nC | VDS=15V, ID=4.5A, VGS=10V | 1 |
| Gate-Drain Charge | Qgd |  | 0.86 |  | nC | VDS=15V, ID=4.5A, VGS=10V | 1 |
| Diode Forward Voltage | VSD |  | 1.2 |  | V | VGS=0V, IS=2.0A | 1 |
| Diode Forward Current | Is |  | 1.7 |  | A |  | 1 |

## CAD (KiCad official)

- Symbol: `SKML2803`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `skml2803-etched.step` / `skml2803-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `skml2803.step` / `skml2803.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shikues datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757071242421911552) (3 pp, sha256 `792243ae2376c07f`, 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/skml2803-datasheet.pdf)