**Product model:** CEM4042-VB .
**Silk screen:** VBA1405 .
**Brand:** VBsemi .
**Parameters:**.
- Package: SOP8 .
- Type: N—Channel .
- Rated voltage: 40V.
- Rated current: 18A.
- On-state resistance (RDS(ON)): 4.5mΩ @ VGS= 10V, VGS=20V.
- Threshold voltage (Vth): 1.91V .
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**Package:** SOP8 .
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**Detailed parameter description and application introduction: **.
This device is an N-Channel field effect transistor in SOP8 package, suitable for a variety of application scenarios. Key parameters include positive voltage rating, high current rating, and low on-state resistance, giving it good performance under different power and load conditions. .
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**Application Area:**.
1. **Power Switch Module:** Due to its positive voltage and high current rating, it can be used for switching power supply and voltage in power switch module adjust. .
2. **Motor drive module:** Motor drive module suitable for industrial motors and electric vehicles, providing reliable high-current drive. .
3. **LED lighting driver module:** In scenarios that require high-power LED lighting, it can be used in LED lighting driver modules to achieve efficient driving of LEDs. .
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**Function:**.
- **Power switch module:** Used for switching power supply and voltage regulation to achieve high-efficiency conversion of power supply. .
- **Motor drive module:** Provides reliable current drive to control the operation of industrial motors and electric vehicles. .
- **LED lighting driver module:** As a part of LED lighting, it realizes efficient driving of LED. .
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**Usage Precautions:**.
1. Please operate in accordance with the maximum ratings provided in the data sheet to ensure the reliability and stability of the device. .
2. Consider heat dissipation needs in the design, especially in high current and high power applications. .
3. Make sure to use it within the threshold voltage range to ensure normal operation. .
4. Avoid exceeding the rated voltage and current to avoid damaging the device.