Product introduction：
**SFP9644-VB Product Introduction**
**SFP9644-VB** is a high-performance **P-type MOSFET**, packaged in **TO220**, designed for medium and high voltage applications, with a **-250V** maximum drain voltage and **-7A** maximum drain current. This model uses **Trench** technology, with excellent switching performance and low on-resistance (**RDS(ON)**). When **VGS=10V**, its on-resistance is **1000mΩ**, suitable for high-efficiency power management, power control and other applications that need to handle larger currents and voltages.
**SFP9644-VB** is an ideal power switching component, widely used in high-power power systems, DC motor drives, automotive electronics, solar inverters and other fields. Its low on-resistance and high current carrying capacity can effectively reduce system power consumption and improve work efficiency.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| TO220 |
Single-P |
-250V |
|
-2V |
-7A |
|
|
1000mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| TO220 |
Single-P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| TO220 |
Single-P |
-250V |
|
-2V |
-7A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| TO220 |
Single-P |
-250V |
|
-2V |
-7A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| TO220 |
Single-P |
|
|
|
|
|
|
|
**Detailed parameter description**
- **VDS (drain-source voltage)**: **-250V**
**SFP9644-VB** supports a maximum drain-source voltage of **-250V**, which is suitable for high voltage environments, can withstand large voltage stress, and is very suitable for high voltage power control and power management modules.
- **VGS (gate-source voltage)**: **±20V**
Supports **±20V** gate drive voltage, adapts to a variety of control circuits, especially modern logic drive circuits, and is compatible with most power management and control solutions.
- **Vth (threshold voltage)**: **-2V**
The threshold voltage of this **P-type MOSFET** is **-2V**, which is suitable for enabling at a lower gate drive voltage, ensuring that the device can work reliably in a low voltage environment and adapt to the requirements of various control systems.
- **RDS(ON)（On-resistance）**：**1000mΩ @ VGS=10V**
When **VGS=10V**, **RDS(ON)** is **1000mΩ**, which is a relatively low resistance value, which can effectively reduce the power consumption in the on state and improve the overall efficiency of the system, especially when the current load is large.
- **ID（Drain current）**：**-7A**
The maximum drain current is **-7A**, which is suitable for medium power applications, can stably drive the current load and meet the high current control requirements.
- **Package type**：**TO220**
Using **TO220** package, which is a common high-power package method, provides good heat dissipation performance, is suitable for high current and high power applications, and can effectively improve the working stability of the system.
- **Technology**: **Trench**
**Trench** technology provides low **RDS(ON)** and fast switching response, which can reduce power losses and maintain high efficiency at high frequency operation.
Domain and module applications：
**Product application areas and modules**
1. **High-power power management system**
**SFP9644-VB** is suitable for **high-power power management systems**, especially for efficient power conversion in high-voltage power supplies (such as **DC-DC converters**). Its **-250V** withstand voltage capability and **-7A** current handling capability enable it to handle the switching operation of power modules, ensuring efficient power conversion and reliable system performance.
2. **DC motor drive**
In **DC motor drive systems**, **SFP9644-VB** can be used to drive motor switching control, especially in motor applications that require higher voltage control, such as **power tools, electric bicycles** or **electric vehicles (EVs)**. Its **-250V** drain-source voltage supports larger voltage motor control systems and can work stably.
3. **Battery Management System (BMS)**
In **battery management systems**, **SFP9644-VB** can be used for **battery charge/discharge control**, especially for the management of large battery packs, such as **electric vehicle (EV) battery management systems**, **energy storage systems** and **mobile device** battery management. Its **-7A** current capability and **-250V** withstand voltage enable it to operate stably under high power loads.
4. **Power switch and power conversion module**
This model of **P-type MOSFET** is very suitable for **power switch modules**, especially for current control and conversion in high power **AC-DC converters** or **DC-DC converters**. Its low **RDS(ON)** can effectively reduce losses and improve overall energy efficiency.
5. **Solar Inverter**
In **Solar Inverter**, **SFP9644-VB** can be used in **the key power switch part of **converting DC to AC**, providing efficient power conversion. The high voltage withstand capability and low on-resistance of the device make it very suitable for power regulation and control in solar energy systems.
6. **Automotive Electronics**
In **automotive electronic systems**, especially **electric vehicles (EV)** or **hybrid electric vehicles (HEV)**, **SFP9644-VB** can be used for battery charge and discharge control, motor drive, and other high-power systems. It can efficiently handle voltages of **-250V**, suitable for power control, drive, and management in automotive electrical systems.
7. **Industrial Power Control**
This **P-type MOSFET** can also be used in **industrial power control systems**, especially in situations where high power and high voltage control are required, such as **industrial automation equipment, power electronics equipment, HVAC systems**, etc. Its high current handling capability ensures stable operation of the device under high load.
8. **High-performance battery charger**
Among **battery chargers**, **SFP9644-VB** has excellent power switching performance and can effectively manage the battery charging process, especially suitable for **high-voltage battery chargers**, such as those used in power tools, cordless appliances, and electric vehicle charging systems.
* 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：
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