Product introduction：
SI1422DH-T1-E3-VB MOSFET Product Introduction
SI1422DH-T1-E3-VB is a single N-Channel MOSFET in SC70-6 package, suitable for low voltage (Vds = 30V) and small to medium current (Id = 4.5A) switching applications. This MOSFET adopts Trench technology and has very low on-resistance (Rds(on)), which is particularly suitable for application scenarios requiring high efficiency and low power consumption. It has a threshold voltage (Vth) of 1.7V, which enables it to have excellent switching performance under low voltage operation. This product is very suitable for use in portable devices, battery-powered systems, and various low-power circuits, especially in designs with limited space.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SC70-6 |
Single-N |
30V |
|
1.7V |
4.5A |
|
|
23mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| SC70-6 |
Single-N |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| SC70-6 |
Single-N |
30V |
|
1.7V |
4.5A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| SC70-6 |
Single-N |
30V |
|
1.7V |
4.5A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| SC70-6 |
Single-N |
|
|
|
|
|
|
|
SI1422DH-T1-E3-VB MOSFET Detailed Parameter Description
| Parameter | Description|
|--------------------------------|-----------------------------------------|
| **Model** | SI1422DH-T1-E3-VB |
| **Package** | SC70-6 |
| **Configuration** | Single N-Channel MOSFET |
| **Vds** | 30V |
| **Vgs** | ±20V |
| **Vth** | 1.7V |
| **Rds(on) @ Vgs = 4.5V** | 27mΩ |
| **Rds(on) @ Vgs = 10V** | 23mΩ |
| **Id** | 4.5A |
| **Technology** | Trench Technology|
| **Maximum Power Loss** | Approx. 0.14W (depending on operating conditions) |
| **Operating temperature range** | -40°C to +125°C |
| **Package size** | SC70-6 |
| **Drain-source current** | 4.5A max |
Domain and module applications：
SI1422DH-T1-E3-VB Applications and Modules
1. **Portable Electronic Devices and Mobile Communications**
Due to its low power consumption and compact SC70-6 package, SI1422DH-T1-E3-VB is ideal for portable electronic devices with limited space, such as smart watches, wireless headsets, Bluetooth modules, sensors, etc. These devices usually require efficient switching control to extend battery life, and the low on-resistance and fast response characteristics of MOSFET make it an ideal choice.
2. **Battery Management and Charging Circuits**
In the battery management system, SI1422DH-T1-E3-VB can be used as a switching element for battery charging control, load switching and battery protection. Its excellent current control capability enables it to effectively manage the battery charging and discharging process, ensuring that the battery will not be overcharged or over-discharged during the charging process, and improving the battery life.
3. **Low Voltage Power Switch**
This MOSFET is suitable for low voltage power switch applications, especially in situations where efficient power control is required. For example, it is used for power switch control in devices such as microprocessors, digital circuits, wireless communication modules, etc. Due to its low on-resistance, SI1422DH-T1-E3-VB can minimize power loss and optimize power conversion efficiency.
4. **Sensors and Embedded Systems**
In sensor systems and embedded applications, SI1422DH-T1-E3-VB can be used for functions such as signal conditioning, load control, and power management, especially in applications such as low power wireless sensor networks (WSNs). This MOSFET can improve system stability and provide efficient power management solutions for sensors.
5. **Power Tools and Small Appliances**
This MOSFET can also be used in small appliances and power tools, especially in scenarios that require precise current control and miniaturization. Its high-efficiency switching characteristics enable it to perform well in low-voltage and low-to-medium current loads, making it suitable for battery-powered portable power tools, mobile power equipment, etc.
* 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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