中文
English
UD4803-VB Product details
Back to previous pageProduct introduction：
Product Introduction
**UD4803-VB** is a high-performance **N+P type MOSFET**, which adopts **TO252-4L** package. This MOSFET has **common source configuration**, combines **N-type and P-type channel MOSFET**, and is suitable for applications requiring positive and negative power supplies and bipolar current. **The maximum value of V_DS** is **±40V**, and the maximum drain current **I_D** supported is **±50A**. It has an on-resistance of **14mΩ** at **V_GS = 4.5V** and **16mΩ** at **V_GS = 10V**, showing extremely low conduction losses.
Using **Trench** technology, **UD4803-VB** provides excellent performance, especially suitable for **bipolar power systems** and **power management**. Its V_th values are 1.8V (N-channel) and -1.7V (P-channel), respectively, making it suitable for stable operation at low gate voltages, fast response, and adaptable to high-efficiency power conversion and load drive applications.
**UD4803-VB** is a high-performance **N+P type MOSFET**, which adopts **TO252-4L** package. This MOSFET has **common source configuration**, combines **N-type and P-type channel MOSFET**, and is suitable for applications requiring positive and negative power supplies and bipolar current. **The maximum value of V_DS** is **±40V**, and the maximum drain current **I_D** supported is **±50A**. It has an on-resistance of **14mΩ** at **V_GS = 4.5V** and **16mΩ** at **V_GS = 10V**, showing extremely low conduction losses.
Using **Trench** technology, **UD4803-VB** provides excellent performance, especially suitable for **bipolar power systems** and **power management**. Its V_th values are 1.8V (N-channel) and -1.7V (P-channel), respectively, making it suitable for stable operation at low gate voltages, fast response, and adaptable to high-efficiency power conversion and load drive 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 |
|---|---|---|---|---|---|---|---|---|---|
| TO252-4L | Common Drain-N+P | ±40V | 1.8/-1.7V | ±50A | 16/16mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252-4L | Common Drain-N+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252-4L | Common Drain-N+P | ±40V | 1.8/-1.7V | ±50A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252-4L | Common Drain-N+P | ±40V | 1.8/-1.7V | ±50A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252-4L | Common Drain-N+P |
Detailed parameter description
- **Package type**: TO252-4L
- **Configuration**: Common source configuration, N+P type channel
- **Drain-source voltage (V_DS)**: ±40V
- **Gate-source voltage (V_GS)**: ±20V
- **Through voltage (V_th)**:
- N-channel: 1.8V
- P-channel: -1.7V
- **On-resistance (R_DS(ON))**:
- N-channel @ V_GS = 4.5V: 14mΩ
- P-channel @ V_GS = 4.5V: 14mΩ
- N-channel @ V_GS = 10V: 16mΩ
- P-channel @ V_GS = 10V: 16mΩ
- **Maximum leakage current (I_D)**: ±50A
- **Technology**: Trench
- **Package type**: TO252-4L
- **Configuration**: Common source configuration, N+P type channel
- **Drain-source voltage (V_DS)**: ±40V
- **Gate-source voltage (V_GS)**: ±20V
- **Through voltage (V_th)**:
- N-channel: 1.8V
- P-channel: -1.7V
- **On-resistance (R_DS(ON))**:
- N-channel @ V_GS = 4.5V: 14mΩ
- P-channel @ V_GS = 4.5V: 14mΩ
- N-channel @ V_GS = 10V: 16mΩ
- P-channel @ V_GS = 10V: 16mΩ
- **Maximum leakage current (I_D)**: ±50A
- **Technology**: Trench
Domain and module applications：
Applications and module examples
**UD4803-VB** is widely used in a variety of high-power power management systems due to its **low on-resistance, bipolar power compatibility and high current carrying capacity**. The following are typical application areas and module examples of this model:
1. **DC-DC converter (voltage converter)**:
- **UD4803-VB** is suitable for **DC-DC converters**, especially **positive and negative power supply designs**. Its bipolar current characteristics enable it to handle positive and negative voltage inputs and outputs at the same time, which can effectively improve efficiency in **buck** or **boost** converters, and is suitable for battery management systems, power conversion modules, etc.
2. **Battery Management System (BMS)**:
- In the **battery management system**, **UD4803-VB**'s common source N+P type design enables it to control the battery charging and discharging process at the same time. Its high current carrying capacity and low on-resistance help improve battery charging efficiency and battery life, especially for **electric vehicles (EV)** and **large-scale energy storage systems**.
3. **Electric drive system**:
- **UD4803-VB** can be used in **electric drive systems**, such as power tools and **electric vehicle** drive modules. Its strong current handling capability and efficient power conversion characteristics ensure the stability and high efficiency of the drive system, especially for high-load, fast-response occasions.
4. **Power Management Module**:
- Due to its bipolar characteristics, **UD4803-VB** is particularly outstanding in **power management modules**, which can effectively handle the bidirectional current flow during load current and power conversion. This feature makes it very suitable for use in **inverters, UPS power supplies** and other modules to provide stable power regulation.
5. **Switching Power Supply (SMPS)**:
- In **switching power supply**, **UD4803-VB**'s bipolar structure enables it to support both positive and negative power inputs and provide efficient power conversion. Its low on-resistance and high current handling capability make it an important application in high-efficiency switching power supplies.
6. **Industrial Automation and Control Systems**:
- This MOSFET is also suitable for **industrial automation and control systems**, especially in applications that require bipolar power supply. It can be used in **motor drive, electromagnetic control, servo system** and other high-power applications to ensure stable system operation and provide reliable current regulation.
**UD4803-VB** is widely used in a variety of high-power power management systems due to its **low on-resistance, bipolar power compatibility and high current carrying capacity**. The following are typical application areas and module examples of this model:
1. **DC-DC converter (voltage converter)**:
- **UD4803-VB** is suitable for **DC-DC converters**, especially **positive and negative power supply designs**. Its bipolar current characteristics enable it to handle positive and negative voltage inputs and outputs at the same time, which can effectively improve efficiency in **buck** or **boost** converters, and is suitable for battery management systems, power conversion modules, etc.
2. **Battery Management System (BMS)**:
- In the **battery management system**, **UD4803-VB**'s common source N+P type design enables it to control the battery charging and discharging process at the same time. Its high current carrying capacity and low on-resistance help improve battery charging efficiency and battery life, especially for **electric vehicles (EV)** and **large-scale energy storage systems**.
3. **Electric drive system**:
- **UD4803-VB** can be used in **electric drive systems**, such as power tools and **electric vehicle** drive modules. Its strong current handling capability and efficient power conversion characteristics ensure the stability and high efficiency of the drive system, especially for high-load, fast-response occasions.
4. **Power Management Module**:
- Due to its bipolar characteristics, **UD4803-VB** is particularly outstanding in **power management modules**, which can effectively handle the bidirectional current flow during load current and power conversion. This feature makes it very suitable for use in **inverters, UPS power supplies** and other modules to provide stable power regulation.
5. **Switching Power Supply (SMPS)**:
- In **switching power supply**, **UD4803-VB**'s bipolar structure enables it to support both positive and negative power inputs and provide efficient power conversion. Its low on-resistance and high current handling capability make it an important application in high-efficiency switching power supplies.
6. **Industrial Automation and Control Systems**:
- This MOSFET is also suitable for **industrial automation and control systems**, especially in applications that require bipolar power supply. It can be used in **motor drive, electromagnetic control, servo system** and other high-power applications to ensure stable system operation and provide reliable current regulation.
* 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
