Product introduction：
SI9433DY-T1-E3-VB Product Introduction
**SI9433DY-T1-E3-VB** is a **single-P-channel MOSFET** in a **SOP8** package. Its maximum **drain-source voltage (VDS)** is **-20V**, which is suitable for medium and low voltage applications. The **Vth (threshold voltage)** of this MOSFET is **-0.6V**, which provides a lower switching threshold and can operate at a lower gate voltage, making it suitable for low-voltage logic drive and switching applications. The **RDS(ON)** (on-resistance) of the MOSFET is **15mΩ** (at VGS=4.5V), ensuring low power loss and high efficiency. This model can carry a maximum drain current of **-13A** and is widely used in systems such as power management, switching power supplies, power conversion, etc., especially for scenarios requiring low voltage and high efficiency.
File download
Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SOP8 |
Single-P |
-20V |
|
-0.6V |
-13A |
21mΩ |
|
|
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| SOP8 |
Single-P |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| SOP8 |
Single-P |
-20V |
|
-0.6V |
-13A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| SOP8 |
Single-P |
-20V |
|
-0.6V |
-13A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| SOP8 |
Single-P |
|
|
|
|
|
|
|
SI9433DY-T1-E3-VB Detailed parameter description
- **Package type**: SOP8
- **Configuration**: Single-P channel
- **Maximum drain-source voltage (VDS)**: -20V
- **Maximum gate-source voltage (VGS)**: ±20V
- **Threshold voltage (Vth)**: -0.6V
- **On-resistance (RDS(ON))**:
- **15mΩ** @VGS = 4.5V
- **21mΩ** @VGS = 2.5V
- **Maximum drain current (ID)**: -13A
- **Technology**: Trench technology
Domain and module applications：
Applicable fields and module examples
1. **Load switch**
SI9433DY-T1-E3-VB, as a single-P-channel MOSFET, is widely used in load switch applications, especially suitable for low-voltage systems and scenarios requiring high-efficiency switches. In low-power devices or **portable battery-powered** devices, SI9433DY-T1-E3-VB can be used as a switching device to provide efficient current control. At the same time, due to its low on-resistance (RDS(ON)), it can significantly reduce power loss and improve system efficiency.
2. **DC-DC converter**
In **DC-DC converter**, SI9433DY-T1-E3-VB can be used as a load-side switch, suitable for low-voltage, low-power voltage conversion systems. Especially in **5V or 12V systems**, efficient power management can be achieved. Its low threshold voltage (Vth) and low on-resistance make it efficient during operation and suitable for power conversion in low-power devices such as **radio equipment, battery-powered systems, sensor networks**.
3. **Power management and battery protection**
In **battery management systems**, especially in **lithium battery management**, **power tools** and **portable devices**, SI9433DY-T1-E3-VB is used as a switching element to help manage the battery charging and discharging process and protect the battery from over-discharge or over-charge. Its lower on-resistance makes the battery system more efficient during the charging process while reducing the heat generated by the system, thereby extending the battery life.
4. **Negative power circuit**
SI9433DY-T1-E3-VB is also suitable for **negative power circuits**, such as being used as an efficient switching element in **negative power converters**. In some power systems that require negative voltage output, such as audio equipment and analog signal processing systems, SI9433DY-T1-E3-VB can be used as a switching element to efficiently convert negative power, helping to improve the stability and energy efficiency of the power system.
5. **Power tool power system**
In **power tools** (such as electric drills, electric screwdrivers, etc.), SI9433DY-T1-E3-VB can be used as a power switch control element to manage battery voltage and load current. Its low on-resistance and high current carrying capacity make it perform well in these high-power systems, providing a smooth and efficient power supply.
6. **Power factor correction (PFC) power system**
In **power factor correction** (PFC) power systems, SI9433DY-T1-E3-VB can be used as a switching element to help optimize the current waveform and improve the efficiency of power utilization. By reducing switching losses and lowering on-resistance, this MOSFET can significantly improve power factor and reduce harmonic interference, making it suitable for high-efficiency **industrial power** and **home appliance power** 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：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
Download now
中文
English
Back to previous page
