# YJL2102W

**Yangzhou Yangjie Elec Tech** · MOSFETs · SOT-323

YJL2102W from Yangzhou Yangjie Elec Tech, in a SOT-323. 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 ±10 V, with threshold VGS(th) 0.55 V min, 0.78 V typ, 1.1 V max at VDS=VGS, ID=250 µA. |
| 2 | S | passive | Source; body-diode continuous current IS is 3.0 A max and drain current ID is 3.0 A at TA=25℃. |
| 3 | D | passive | Drain; drain-source voltage is 20 V max, drain current 3.0 A continuous and 14 A pulsed. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOT-323 |
| 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 |
| Drain Current, steady state | ID |  |  | 3 | A | TA=25℃ @ Steady State | 1 |
| Drain Current, steady state | ID |  |  | 2.4 | A | TA=70℃ @ Steady State | 1 |
| Pulsed Drain Current | IDM |  |  | 14 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 0.25 | W | TA=25℃ | 1 |
| Thermal Resistance Junction-to-Ambient, steady state | RθJA |  |  | 500 | ℃/W | @ Steady State | 1 |
| Junction and Storage Temperature Range | TJ ,TSTG | -55 |  | 150 | ℃ |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 20 |  |  | V | VGS= 0V, ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=20V, VGS=0V | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VGS= ±10V, VDS=0V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.55 | 0.78 | 1.1 | V | VDS= VGS, ID=250μA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 57 | 70 | mΩ | VGS= 4.5V, ID=2.5A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 72 | 98 | mΩ | VGS= 2.5V, ID=2.0A | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | IS=2.5A, VGS=0V | 2 |
| Maximum Body-Diode Continuous Current | IS |  |  | 3 | A |  | 2 |

## CAD (KiCad official)

- Symbol: `YJL2102W`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `yjl2102w-etched.step` / `yjl2102w-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yjl2102w.step` / `yjl2102w.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917310015090688) (6 pp, sha256 `5a0c01d11ff793b6`, retrieved 2026-10-09, 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/yjl2102w-datasheet.pdf)