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SIS443DN-T1-GE3-VB Product details

Product introduction:

SIS443DN-T1-GE3-VB MOSFET Product Introduction

**SIS443DN-T1-GE3-VB** is a high-performance N-type power MOSFET in DFN8 (3x3mm) package, designed based on Trench technology. The maximum drain-source voltage (VDS) of this MOSFET is -40V, which is suitable for low-voltage, high-current applications, especially those requiring high efficiency and low on-resistance. Its maximum drain current (ID) is -45A, and it has a very low on-resistance (RDS(ON)). Regardless of the gate voltage of 4.5V or 10V, the on-resistance is 13mΩ and 12mΩ, ensuring low energy consumption and efficient switching performance. **SIS443DN-T1-GE3-VB** is widely used in power management, load switching, low-voltage switching power supplies, and automotive electronics.

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Product parameter:

VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds2.5 Rds4.5 Rds10 Technology
DFN8(3X3) Single-P -40V -2V -45A 12mΩ Trench
VB Package Configuration VCE VGE VGEth(V) VCEsat15V ICE Technology
DFN8(3X3) Single-P Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds18 Technology
DFN8(3X3) Single-P -40V -2V -45A Trench
VB Package Configuration VDS(V) VGS Vthyp(V) ID(A) Rds6 Technology
DFN8(3X3) Single-P -40V -2V -45A Trench
VB Package Polarity Vz / VR Pd VF IF IR Cd Type
DFN8(3X3) Single-P
SIS443DN-T1-GE3-VB MOSFET Detailed parameter description

| **Parameter** | **Value** |
|----------------------|-------------------------------------|
| **Model** | SIS443DN-T1-GE3-VB |
| **Package** | DFN8 (3x3mm) |
| **Configuration** | Unipolar P-type MOSFET |
| **Maximum drain-source voltage (VDS)** | -40V |
| **Maximum gate-source voltage (VGS)** | ±20V |
| **Threshold voltage (Vth)** | -2V |
| **On-resistance (RDS(ON))** | 13mΩ (VGS = 4.5V) |
| **On-resistance (RDS(ON))** | 12mΩ (VGS = 10V) |
| **Maximum drain current (ID)** | -45A |
| **Technology** | Trench Technology|

Domain and module applications:

SIS443DN-T1-GE3-VB MOSFET application areas and module examples

1. **Load switch and power switch**
**SIS443DN-T1-GE3-VB**'s low on-resistance and high current handling capability make it very suitable for load switch and power switch applications, especially in low voltage applications. Its efficient switching characteristics can effectively control the current flow, reduce power loss, and improve the overall efficiency of the system. This makes it widely used in battery-powered devices, power management modules, and switch control in smart battery packs.

2. **Battery Management System (BMS)**
Due to **SIS443DN-T1-GE3-VB**'s high voltage resistance and low on-resistance, it is suitable for battery management systems, especially in the battery charging and discharging process. It can ensure efficient control of the battery during charging and discharging, and can effectively protect the battery from over-discharging or over-charging. It has a wide range of applications in power tools, electric vehicles, wearable devices and other fields.

3. **Automotive electronics**
In automotive electronics, especially in battery management, charging systems and power distribution of electric vehicles (EV) and hybrid electric vehicles (HEV), **SIS443DN-T1-GE3-VB** can be used for efficient power switching and power regulation. It can ensure low-loss and efficient current transmission and is one of the important battery protection and control components in electric vehicles.

4. **DC-DC converter**
**SIS443DN-T1-GE3-VB** Due to its low on-resistance and high current capability, it can effectively reduce switching losses and improve the efficiency of DC-DC converters, and is widely used in various low-voltage power conversion applications. It is particularly suitable for low-voltage, high-current applications such as communication equipment, server power supplies and voltage conversion modules in consumer electronics.

5. **LED drive system**
In LED drive systems, **SIS443DN-T1-GE3-VB** can be used to drive high-power LED lighting systems. Low on-resistance helps improve driving efficiency and reduce energy waste, so it has a wide range of application prospects in commercial lighting, street lighting and high-brightness LED applications.

6. **Low-voltage power management**
**SIS443DN-T1-GE3-VB** can be used in low-voltage power management systems and is suitable for low-voltage, high-current application scenarios. It can effectively control the flow of current and provide stable power, reducing voltage fluctuations and energy loss. This makes it an ideal switching element in low-voltage power systems such as smart homes, consumer electronic devices, and Internet of Things (IoT) products.

7. **Automation control system**
In automation control systems, the high-efficiency switching characteristics of **SIS443DN-T1-GE3-VB** enable it to control various drive motors and sensors. Low on-resistance and high current capability make it play an important role in power management of industrial control, robotic systems, and other automation equipment.

* 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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