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SFT1445-VB TO251 Product details
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1. Product Introduction
**SFT1445-VB** is a high-performance N-Channel MOSFET in TO251 package, designed for medium and low voltage high current applications. This MOSFET adopts Trench technology, has low on-resistance (RDS(ON)) and fast switching characteristics, and can provide excellent performance in various high-efficiency power management, load switching and motor drive applications. Its maximum drain-source voltage (VDS) is 100V, which is suitable for higher voltage power control and load switching applications. The gate-source voltage (VGS) of the MOSFET is ±20V, the Vth (threshold voltage) is 1.8V, and the maximum drain current (ID) is 15A. Its low RDS(ON) (110mΩ@VGS=10V) makes it have lower power loss in high current environment, which is suitable for application scenarios requiring lower loss and high efficiency.
**SFT1445-VB** is a high-performance N-Channel MOSFET in TO251 package, designed for medium and low voltage high current applications. This MOSFET adopts Trench technology, has low on-resistance (RDS(ON)) and fast switching characteristics, and can provide excellent performance in various high-efficiency power management, load switching and motor drive applications. Its maximum drain-source voltage (VDS) is 100V, which is suitable for higher voltage power control and load switching applications. The gate-source voltage (VGS) of the MOSFET is ±20V, the Vth (threshold voltage) is 1.8V, and the maximum drain current (ID) is 15A. Its low RDS(ON) (110mΩ@VGS=10V) makes it have lower power loss in high current environment, which is suitable for application scenarios requiring lower loss and high efficiency.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 100V | 1.8V | 15A | 110mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 100V | 1.8V | 15A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO251 | Single-N | 100V | 1.8V | 15A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO251 | Single-N |
2. Detailed parameter description
- **Package**: TO251
- **Configuration**: Single-N-Channel (single polarity N channel)
- **VDS (drain-source voltage)**: 100V
- **VGS (gate-source voltage)**: ±20V
- **Vth (threshold voltage)**: 1.8V
- **RDS(ON) (on-resistance)**: 110mΩ (@VGS=10V)
- **ID (maximum leakage current)**: 15A
- **Technology**: Trench technology (optimizes on-resistance and reduces switching losses)
- **Maximum power consumption**: Calculated according to application and operating conditions, usually estimated by on-resistance and leakage current.
- **Package**: TO251
- **Configuration**: Single-N-Channel (single polarity N channel)
- **VDS (drain-source voltage)**: 100V
- **VGS (gate-source voltage)**: ±20V
- **Vth (threshold voltage)**: 1.8V
- **RDS(ON) (on-resistance)**: 110mΩ (@VGS=10V)
- **ID (maximum leakage current)**: 15A
- **Technology**: Trench technology (optimizes on-resistance and reduces switching losses)
- **Maximum power consumption**: Calculated according to application and operating conditions, usually estimated by on-resistance and leakage current.
Domain and module applications：
III. Application Fields and Module Examples
1. **Power Management and DC-DC Converter**
**SFT1445-VB** It has important applications in power management systems, especially in high-efficiency DC-DC converters. For example, in a step-down (Buck Converter) or a step-up (Boost Converter) converter, it provides low on-resistance and low loss as a switching element, which can reduce the heat accumulation of the system and improve the overall efficiency. Its maximum drain-source voltage of 100V and maximum drain current of 15A make it suitable for power modules with medium power requirements, and it is widely used in computer power supplies, consumer electronics, industrial control and other equipment.
2. **Battery Management System (BMS)**
In the battery management system, SFT1445-VB is used for battery charge and discharge control. Due to its low on-resistance, it can effectively reduce power loss during the high current charge and discharge process of the battery, thereby extending the battery life and improving efficiency. It is suitable for battery management modules for power tools, electric vehicles and portable electronic devices.
3. **Power Tools and Electric Drive Systems**
The high current handling capability of the SFT1445-VB makes it ideal for power tools, electric bicycles, and electric vehicle drive systems. In these applications, it can control the start, stop, and reversal of the motor, providing efficient current regulation and power control. The efficient switching characteristics and low on-resistance of the MOSFET in these systems help to increase battery life and reduce power loss.
4. **Switching Power Supply (SMPS) and Power Amplifier**
In a switching power supply (SMPS), the SFT1445-VB is able to operate stably at higher voltages and is suitable for applications that require larger current handling. For example, in some medium-power AC-DC converters or DC-DC converters, this MOSFET can provide efficient current conversion and regulation. Its use in power amplifiers can also provide high efficiency and ensure lower power loss during signal amplification.
5. **LED lighting and dimming circuits**
The efficient switching characteristics of this MOSFET make it ideal for dimming circuits and driver modules in LED lighting systems. By controlling the current flow to the LED lamp, the SFT1445-VB can help achieve efficient lighting adjustment and ensure that the current remains stable, thereby improving the overall energy efficiency of the system. The low on-resistance also reduces the heat generated, allowing the LED system to operate stably for a long time.
6. **Automotive power control and battery protection system**
In the field of automotive electronics, the SFT1445-VB can be used in high-voltage power systems to control the charging and discharging process of the battery. In the battery management system of an electric vehicle (EV) or hybrid electric vehicle (HEV), it is responsible for optimizing battery charging and discharging, and ensuring the safety of the battery and electric drive system. Its maximum drain current of 15A enables it to meet the needs of these high-power systems while ensuring battery protection and maximizing energy efficiency.
1. **Power Management and DC-DC Converter**
**SFT1445-VB** It has important applications in power management systems, especially in high-efficiency DC-DC converters. For example, in a step-down (Buck Converter) or a step-up (Boost Converter) converter, it provides low on-resistance and low loss as a switching element, which can reduce the heat accumulation of the system and improve the overall efficiency. Its maximum drain-source voltage of 100V and maximum drain current of 15A make it suitable for power modules with medium power requirements, and it is widely used in computer power supplies, consumer electronics, industrial control and other equipment.
2. **Battery Management System (BMS)**
In the battery management system, SFT1445-VB is used for battery charge and discharge control. Due to its low on-resistance, it can effectively reduce power loss during the high current charge and discharge process of the battery, thereby extending the battery life and improving efficiency. It is suitable for battery management modules for power tools, electric vehicles and portable electronic devices.
3. **Power Tools and Electric Drive Systems**
The high current handling capability of the SFT1445-VB makes it ideal for power tools, electric bicycles, and electric vehicle drive systems. In these applications, it can control the start, stop, and reversal of the motor, providing efficient current regulation and power control. The efficient switching characteristics and low on-resistance of the MOSFET in these systems help to increase battery life and reduce power loss.
4. **Switching Power Supply (SMPS) and Power Amplifier**
In a switching power supply (SMPS), the SFT1445-VB is able to operate stably at higher voltages and is suitable for applications that require larger current handling. For example, in some medium-power AC-DC converters or DC-DC converters, this MOSFET can provide efficient current conversion and regulation. Its use in power amplifiers can also provide high efficiency and ensure lower power loss during signal amplification.
5. **LED lighting and dimming circuits**
The efficient switching characteristics of this MOSFET make it ideal for dimming circuits and driver modules in LED lighting systems. By controlling the current flow to the LED lamp, the SFT1445-VB can help achieve efficient lighting adjustment and ensure that the current remains stable, thereby improving the overall energy efficiency of the system. The low on-resistance also reduces the heat generated, allowing the LED system to operate stably for a long time.
6. **Automotive power control and battery protection system**
In the field of automotive electronics, the SFT1445-VB can be used in high-voltage power systems to control the charging and discharging process of the battery. In the battery management system of an electric vehicle (EV) or hybrid electric vehicle (HEV), it is responsible for optimizing battery charging and discharging, and ensuring the safety of the battery and electric drive system. Its maximum drain current of 15A enables it to meet the needs of these high-power systems while ensuring battery protection and maximizing energy efficiency.
* 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
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