Product introduction：
Product Introduction
**STK7002A-VB** is a **single N-channel MOSFET** in a **SOT23-3** package, designed for low power and low to medium current applications, with a **60V** maximum drain-source voltage (VDS) and **0.3A** maximum drain current (ID). This MOSFET uses **Trench technology** and has a low on-resistance (RDS(ON)), which is **3100mΩ** at **VGS=4.5V** and **2800mΩ** at **VGS=10V**, respectively, suitable for switching control and signal processing. Due to its small package and good electrical performance, it is widely used in small power supply circuits, low-power load switches, and other size- and power-sensitive applications.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SOT23-3 |
Single-N |
60V |
20（±V） |
1.7V |
0.3A |
|
|
2800mΩ |
|
Detailed parameter description
| **Parameter category** | **Parameter value** | **Description** |
|--------------------------|----------------------------------|------------------------------------------------------------|
| **Package type** | SOT23-3 | **SOT23-3** package, suitable for space-constrained applications, especially for small circuits and portable devices|
| **Channel configuration** | Single-N-Channel | Single-N-Channel configuration, suitable for efficient current switching operation|
| **Maximum drain-source voltage (VDS)** | 60V | Maximum drain-source voltage is **60V**, suitable for low to medium voltage switching and power control applications|
| **Maximum gate drive voltage (VGS)** | ±20V | Gate drive voltage range is **±20V**, supporting a wider range of gate drive voltage adjustment|
| **Threshold voltage (Vth)** | 1.7V | **1.7V** The threshold voltage ensures that the MOSFET can switch efficiently at a lower gate voltage|
| **On-resistance (RDS(ON))** | 3100mΩ @ VGS=4.5V | **3100mΩ** on-resistance at **4.5V** gate voltage is suitable for low power applications|
| **On-resistance (RDS(ON))** | 2800mΩ @ VGS=10V | **2800mΩ** on-resistance at **10V** gate voltage provides low conduction losses|
| **Maximum drain current (ID)** | 0.3A | Maximum drain current of **0.3A** is suitable for low current switching control|
| **Technology type** | Trench | Adopts **Trench technology** to provide low on-resistance and high switching efficiency|
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Domain and module applications：
Application fields and module examples
1. **Low-power power management circuit**
- **Application scenario**: STK7002A-VB can be used for **low-power power management circuit**, such as **small power adapter** and **portable power**.
- **Description**: Due to its compact **SOT23-3** package and low on-resistance, STK7002A-VB is very suitable for low-power power management systems. It can perform efficient power switching at relatively low currents and is widely used in portable devices and small power circuits.
2. **Load switch**
- **Application scenario**: Suitable for **load switching**, such as switching circuits for controlling small loads.
- **Description**: STK7002A-VB is suitable for use in low-power load switches due to its low **RDS(ON)**. It is able to switch current efficiently and, due to its **0.3A** drain current, is suitable for low-power controlled switching circuits, such as small battery-powered devices or micro appliances.
3. **Signal Switching and Regulation**
- **Application Scenarios**: Can be used for **signal switching and regulation circuits**, such as switching of audio, video or data streams.
- **Description**: With the support of **Trench technology**, the STK7002A-VB can respond quickly to signal switching requests. Its **1.7V** threshold voltage ensures that it can work effectively even at weak driving voltages, and is suitable for low-voltage signal conditioning circuits, such as audio and video signal conditioners, data transmission interfaces, etc.
4. **Battery Management System**
- **Application Scenarios**: Used in **Battery Management System (BMS)**, such as switch control of small battery packs.
- **Description**: The STK7002A-VB can be used as a switching element in the battery management system to control the charge and discharge of the battery pack and protect the battery. Its low on-resistance and good switching characteristics make it very suitable for efficient management of low-power battery packs.
5. **Home appliances and consumer electronics**
- **Application scenarios**: Used in **small home appliances and consumer electronics**, such as smart home devices, wireless sensors, etc.
- **Description**: The low power and high efficiency characteristics of this MOSFET make it widely used in home appliances and consumer electronics, especially in space-constrained and power-consumption-strict design requirements, the STK7002A-VB can provide stable and reliable switching control.
6. **Power tools**
- **Application scenarios**: Suitable for **power tool control circuits**, such as battery switching and power control circuits in power tools.
- **Description**: Due to its **small package** and **high switching efficiency**, the STK7002A-VB can be used in power tools to help achieve efficient charge and discharge control of the battery, and provide battery management and power switching functions.
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* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
Technical support：
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