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TK19A45D-VB Product details

Product introduction:

Product Introduction

**TK19A45D-VB** is a high-performance **N-Channel MOSFET**, which adopts **TO220F** package and is designed for high voltage and high current applications. Its maximum drain-source voltage is **650V** and the maximum drain current is **20A**. It has a wide range of applications in power conversion, industrial drive, motor control and efficient power management. This MOSFET adopts **SJ_Multi-EPI technology**, has excellent switching performance and low on-resistance (**160mΩ** @ **VGS=10V**), which can effectively reduce conduction loss and improve circuit efficiency.

**TK19A45D-VB** has a threshold voltage of **3.5V**, which is suitable for various high-efficiency switching power supplies and motor drive systems, and can provide stable and reliable performance under high voltage and high current working environment. Its high current carrying capacity and low on-resistance make this MOSFET perform well in power electronics and motor control systems, especially suitable for industrial applications requiring efficient current control.

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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
TO220F Single-N 650V 3.5V 20A 160mΩ SJ_Multi-EPI
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
TO220F Single-N SJ_Multi-EPI
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
TO220F Single-N 650V 3.5V 20A SJ_Multi-EPI
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
TO220F Single-N 650V 3.5V 20A SJ_Multi-EPI
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
TO220F Single-N
Detailed parameter description

- **Model**: TK19A45D-VB
- **Package type**: TO220F
- **Configuration**: Single-N-Channel
- **Maximum drain-source voltage (VDS)**: 650V
- **Maximum gate-source voltage (VGS)**: ±30V
- **Threshold voltage (Vth)**: 3.5V
- **On-resistance (RDS(ON))**:
- **160mΩ** @ **VGS = 10V**
- **Maximum drain current (ID)**: 20A
- **Maximum power consumption**: Limited by external heat dissipation conditions, the typical power consumption needs to be calculated according to the working environment
- **Technology**: SJ_Multi-EPI
- **Switching speed**: Fast switching response, suitable for high-frequency switching applications
- **Operating temperature range**: Typically **-55°C to +150°C**, actual operating temperature range should be determined based on environmental conditions

Domain and module applications:

Application fields and module examples

1. **Power conversion system**:
**TK19A45D-VB** is very suitable for **high-efficiency switching power supplies (SMPS)** and **DC-DC converters**. Due to its high **650V** withstand voltage capability and **20A** current carrying capacity, this MOSFET can efficiently perform voltage conversion, provide reliable current control in power modules, reduce conduction losses, and improve system efficiency. It is particularly suitable for industrial power systems that require high power and high voltage, such as **server power supply** and **communication base station power supply**.

2. **Motor drive system**:
In **motor drive applications**, especially in **industrial motor control** and **power tool drive**, **TK19A45D-VB** can be used as an efficient switching device to control the start, speed regulation and stop of the motor. Due to its high **20A** current capability and **650V** withstand voltage, it can work stably in high-power motor control systems and is suitable for **industrial automation, robot drive** and **high-power power tools**.

3. **Battery Management System (BMS)**:
**TK19A45D-VB** is also very suitable for **battery management systems**, especially in **battery charging** and **battery discharge control**. Its low on-resistance and fast switching performance can effectively control the current flow of the battery, ensure efficient charging and discharging of the system, and extend battery life. It is widely used in **electric vehicles (EV)**, **electric bicycles (E-Bike)** and **hybrid electric vehicles (HEV)** Battery management systems.

4. **Inverter system**:
In **inverter systems**, especially for **photovoltaic inverters** and **wind power inverters**, **TK19A45D-VB** is used as a switching element to convert DC power into AC power. Its high voltage tolerance and excellent conductivity make it an ideal choice for high-efficiency inverters, ensuring stable operation of the system under high power and high voltage conditions.

5. **Industrial Automation and Control Systems**:
In **industrial automation control systems**, especially where precise current control and high power handling are required, **TK19A45D-VB** provides strong performance support. Its high current carrying capacity and low on-resistance make it an ideal switching element in **PLC (Programmable Logic Controller)** and **Robot Drive Systems**, helping to improve system response speed and work efficiency.

6. **Power Amplifier and Audio Amplifier**:
**TK19A45D-VB** is also suitable for **audio amplifier** and **power amplifier** applications. Due to its low on-resistance and good switching characteristics, it can provide stable power output and is widely used in **broadcasting equipment** and **sound systems** to ensure stable transmission of high-power audio signals.

* 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

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