# YJL2101W

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

YJL2101W 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 is limited to ±10 V, with threshold VGS(th) of -0.4 to -1.0 V at ID=-250μA. |
| 2 | S | passive | Source; body-diode continuous current is -2.0 A maximum and drain current is -2.0 A at TA=25℃. |
| 3 | D | passive | Drain; drain-source voltage is rated -20 V, with pulsed drain current of -8 A. |

## 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 | ID |  |  | -2 | A | TA=25℃ @ Steady State | 1 |
| Drain Current | ID |  |  | -1.6 | A | TA=70℃ @ Steady State | 1 |
| Pulsed Drain Current | IDM |  |  | -8 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 0.45 | W | TA=25℃ | 1 |
| Junction and Storage Temperature Range | TJ ,TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-to-Ambient | RθJA |  |  | 278 | ℃/ W | Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch (note B) | 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,TC=25℃ | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VGS= ±10V, VDS=0V | 2 |
| Gate Threshold Voltage | VGS(th) | -0.4 | -0.62 | -1 | V | VDS= VGS, ID=-250μA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 100 | 130 | mΩ | VGS= -4.5V, ID=-1.5A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 130 | 170 | mΩ | VGS= -2.5V, ID=-1.2A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 165 | 250 | mΩ | VGS= -1.8V, ID=-1.0A | 2 |
| Diode Forward Voltage | VSD |  | -0.8 | -1.2 | V | IS=-2.0A,VGS=0V | 2 |
| Maximum Body-Diode Continuous Current | IS |  |  | -2 | A |  | 2 |

## CAD (KiCad official)

- Symbol: `YJL2101W`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `yjl2101w-etched.step` / `yjl2101w-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yjl2101w.step` / `yjl2101w.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/8588916628620234752) (6 pp, sha256 `42323d1ab312e3a2`, retrieved 2026-10-17, 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/yjl2101w-datasheet.pdf)