# KI2310DS

**KEXIN** · MOSFETs · SOT-23

KI2310DS from KEXIN, 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 enhancement MOSFET, rated for VGS of ±10V with a gate threshold VGS(th) of 0.45V to 1V. |
| 2 | Source | passive | Source terminal of the N-channel enhancement MOSFET; the maximum body-diode continuous current IS is 1.6A. |
| 3 | Drain | passive | Drain terminal of the N-channel enhancement MOSFET, rated for VDS of 20V and continuous drain current ID of 6.5A at TA=25℃ (4.8A at TA=70℃). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KEXIN |
| 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 | -10 |  | 10 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 6.5 | A | TA=25℃ | 1 |
| Continuous Drain Current | ID |  |  | 4.8 | A | TA=70℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 30 | A |  | 1 |
| Power Dissipation | PD |  |  | 1.3 | W | TA=25℃ | 1 |
| Power Dissipation | PD |  |  | 0.8 | W | TA=70℃ | 1 |
| Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Drain-Source Breakdown Voltage | VDSS | 20 |  |  | V | ID=250μA, VGS=0V | 1 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=20V, VGS=0V | 1 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 10 | μA | VDS=20V, VGS=0V, TJ=55℃ | 1 |
| Gate-Body Leakage Current | IGSS | -10 |  | 10 | uA | VDS=0V, VGS=±10V | 1 |
| Gate Threshold Voltage | VGS(th) | 0.45 |  | 1 | V | VDS=VGS, ID=250μA | 1 |
| Static Drain-Source On-Resistance | RDS(On) |  |  | 22 | mΩ | VGS=4.5V, ID=6.5A | 1 |
| Static Drain-Source On-Resistance | RDS(On) |  |  | 30 | mΩ | VGS=2.5V, ID=5.5A | 1 |
| Forward Transconductance | gFS | 6 |  |  | S | VDS=5V, ID=6.5A | 1 |
| Maximum Body-Diode Continuous Current | IS |  |  | 1.6 | A |  | 1 |
| Diode Forward Voltage | VSD |  | 0.76 | 1.2 | V | IS=1.6A, VGS=0V | 1 |

## CAD (KiCad official)

- Symbol: `KI2310DS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ki2310ds-etched.step` / `ki2310ds-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ki2310ds.step` / `ki2310ds.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KEXIN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904716826775552) (1 pp, sha256 `1f41c73a527460b3`, retrieved 2026-10-18, 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/ki2310ds-datasheet.pdf)