SFT1450-VB TO252 Product details
Product introduction:
The SFT1450-VB is a unipolar N-type MOSFET in a TO252 package, designed for low to medium voltage power management and power control applications. Its drain-source voltage (Vds) is 40V, making it suitable for applications that require efficient switching and low conduction losses. The device can withstand a maximum gate-source voltage (Vgs) of ±20V and has a low threshold voltage (Vth) of 2.5V, which means it can be turned on at a lower gate voltage to optimize the switching response time.
The SFT1450-VB uses Trench technology and has an extremely low on-resistance. At Vgs = 4.5V, the on-resistance (Rds(on)) is 14mΩ, and at Vgs = 10V, the on-resistance is further reduced to 12mΩ. Such a low on-resistance enables it to significantly reduce power losses during operation and improve system efficiency. With a maximum drain current (Id) of 55A, it is suitable for medium and high power applications such as power conversion, drive systems, etc. Its excellent electrical performance and low thermal characteristics enable stable operation under high load conditions and extend the service life of the system.
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Product parameter:
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 40V | 2.5V | 55A | 12mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 40V | 2.5V | 55A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp(V) | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 40V | 2.5V | 55A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
| Parameter | Description |
|---------------------|-----------------------------------|
| **Model** | SFT1450-VB |
| **Package** | TO252 |
| **Configuration** | Unipolar N-type MOSFET |
| **Vds** | 40V |
| **Vgs** | ±20V |
| **Vth** | 2.5V |
| **Rds(on)@Vgs=4.5V** | 14mΩ |
| **Rds(on)@Vgs=10V** | 12mΩ |
| **Id** | 55A |
| **Technology** | Trench technology|
| **Maximum power loss** | About 35W (depending on working conditions) |
| **Operating temperature range** | -55°C to +150°C |
Domain and module applications:
1. **Power Management System**
The low on-resistance and high current handling capability of the SFT1450-VB make it an excellent choice for power management applications. It is ideal for DC-DC converters, AC-DC power modules, and battery charging systems. As a switching element, it can efficiently convert electrical energy, reduce energy loss, and improve the overall efficiency of the system. In addition, its high temperature resistance makes it more stable in complex and high-load power systems.
2. **Motor Drive System**
The SFT1450-VB is also suitable for motor drive systems, especially in power tools, electric vehicles (EVs), home appliances, and automation systems. This MOSFET has an advantage in controlling the current flow of the motor, providing stable starting, acceleration, and speed regulation functions for the motor. Its low on-resistance means that the motor generates less heat when running, improving the overall efficiency of the system.
3. **Inverter and Renewable Energy Applications**
In renewable energy systems such as solar inverters and wind power inverters, the SFT1450-VB is used as a switching element to efficiently convert direct current (DC) into alternating current (AC). Due to its low on-resistance, it can significantly reduce energy losses during the conversion process, improve the overall efficiency and reliability of the system, and is particularly suitable for large-scale energy conversion systems.
4. **LED Drive Circuit**
In LED lighting drive circuits, the SFT1450-VB can be used as a current switch to provide stable constant current drive. The low on-resistance of the MOSFET enables the LED system to be driven more efficiently during operation, thereby improving the light efficiency and extending the service life of the LED. In addition, since the device can be turned on at a lower gate voltage, the current can be controlled more accurately to avoid overcurrent damage to the LED.
5. **High-frequency Switching Applications**
The high switching speed and low on-resistance of this MOSFET make it particularly suitable for high-frequency switching power supply applications. For example, in UPS systems, high-frequency DC power supplies, switching power supplies (SMPS) and power amplifiers, the SFT1450-VB can handle higher currents, ensure efficient operation of the system, and reduce power loss and heat.
6. **Battery Management System (BMS)**
In the battery management system, the SFT1450-VB is used to control the battery charging and discharging process and provide efficient battery protection. Its high current capability makes it suitable for electric vehicles, battery energy storage systems and other applications that require fast response and high-efficiency battery management.
Technical support:
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