Featured Model

Last updated:

STF40NF03L-VB Product details

Product introduction:

Product Introduction

**STF40NF03L-VB** is a **single N-channel MOSFET** in **TO220F package**. It adopts **Trench technology**, has **30V maximum drain-source voltage (VDS)** and **68A maximum drain current (ID)**, and can provide excellent performance under high efficiency and low loss conditions. The **on-resistance (RDS(ON))** of this MOSFET is **2mΩ** at **VGS=4.5V**, and drops to **1mΩ** at **VGS=10V**. It has extremely low conduction loss and is suitable for high current applications. Its **1.7V threshold voltage (Vth)** and **wide voltage operating range** enable it to perform well in a variety of power control and current switching applications, especially for low voltage and high current applications.

---

File download

Download PDF document
Download now

Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
TO220F Single-N 30V 1.7V 68A 1mΩ Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
TO220F Single-N Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
TO220F Single-N 30V 1.7V 68A Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO220F Single-N 30V 1.7V 68A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO220F Single-N
Detailed parameter description

| **Parameter category** | **Parameter value** | **Description** |
|------------------------|---------------------------------|-------------------------------------------------------------------------|
| **Package type** | TO-220F | Provides excellent heat dissipation performance, suitable for high-power applications and scenarios requiring high current|
| **Channel configuration** | Single N-channel | Efficient current control and switching capability, suitable for various power and motor drive systems|
| **Maximum drain-source voltage (VDS)** | 30V | Suitable for low-voltage system applications, especially low-voltage power management, motor drive, etc.|
| **Maximum gate drive voltage (VGS)** | ±20V | Provides a flexible gate drive voltage range, suitable for various power control circuits|
| **Threshold voltage (Vth)** | 1.7V | Turns on at low gate voltage, suitable for low-voltage applications, providing higher switching speed and efficiency|
| **On-resistance (RDS(ON))** | 2mΩ @ VGS=4.5V | Very low on-resistance at medium gate voltage for high current and low voltage systems|
| | 1mΩ @ VGS=10V | Lower on-resistance at high gate voltage for high efficiency power conversion and drive circuits|
| **Maximum drain current (ID)** | 68A | Suitable for power control and motor drive applications requiring high current carrying capability|
| **Technology type** | Trench | Provides low on-resistance and high switching efficiency for high current and high efficiency applications|

---

Domain and module applications:

Application fields and module examples

1. **High-efficiency power management system**
- **Application scenario**: STF40NF03L-VB can be widely used in **high-efficiency power management systems**, especially low-voltage power conversion, DC-DC converters, etc.
- **Description**: Due to its **extremely low on-resistance** (1mΩ** at **VGS=10V**), this MOSFET can significantly reduce power loss, especially suitable for **DC-DC converters** and **power management modules**, improving the overall efficiency of the system.

2. **Power tool and household appliance motor drive**
- **Application scenario**: Suitable for **power tool** and **household appliance motor drive systems**, such as vacuum cleaners, fans, grinding tools, etc.
- **Description**: The **68A maximum drain current** and **low on-resistance** of STF40NF03L-VB enable it to drive high current loads, making it suitable for efficient motor control systems for power tools, providing smooth and stable power output.

3. **Inverter applications**
- **Application scenarios**: It can be used for **small inverters**, such as **home solar inverters** and **car power converters**.
- **Description**: This MOSFET is suitable for **high current and low voltage applications** and has efficient switching characteristics, making it very suitable for current conversion in inverters, ensuring high efficiency and stability of the inverter.

4. **LED driver power supply**
- **Application scenarios**: STF40NF03L-VB can be used for **LED driver power supply**, especially in scenarios where efficient power conversion is required.
- **Description**: Due to its **extremely low on-resistance of 1mΩ**, this MOSFET can efficiently drive high-power **LED lighting systems**, providing stable current while reducing energy loss.

5. **Electric Vehicle Battery Management System (BMS)**
- **Application Scenario**: Suitable for **electric vehicle battery management systems**, especially the control and protection of battery charge/discharge current.
- **Description**: The **high leakage current capability** and **extremely low on-resistance** of this MOSFET make it very suitable for use in **electric vehicle battery management systems**, which can efficiently control the battery charge and discharge process and effectively improve the efficiency of the system and battery life.

---

**STF40NF03L-VB** MOSFET, with its **30V withstand voltage**, **68A drain current capability** and **ultra-low on-resistance**, is suitable for **high-efficiency power management systems**, **power tool drives**, **inverter applications**, **LED drive power** and **electric vehicle battery management systems** and other fields. It provides efficient switching performance and low energy loss through **Trench technology**, and is particularly suitable for high-current, high-power conversion applications.
* 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:

* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours

Sample Req

QQ

Telephone

400-655-8788

WeChat

WeChat

Topping

Sample Req
Online
Telephone
WeChat