**VBsemi STD5N20LT4-VB**.
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**Detailed parameter description:**.
- Type: N-Channel field effect tube (N-Channel MOSFET).
- Rated voltage (VDS): 200V.
- Maximum current (ID): 4A.
- On-resistance (RDS(ON)): 810mΩ @ VGS=10V, VGS=20V.
- Threshold voltage (Vth): 3.32V.
- Package: TO252.
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**Application Introduction:**.
This device is suitable for low voltage, medium current applications, especially in the following field modules:.
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1. **Power switch:**.
- In low power power switch modules, it is used to switch power supply to provide a stable voltage output. .
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2. **LED lighting:**.
- Used for LED lighting power control to achieve efficient LED driving. .
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3. **Power inverter:**.
- Suitable for small inverters, such as home solar inverters. .
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**Application areas:**.
- Low power electronic equipment.
- LED lighting.
- Home solar systems.
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**Function:**.
- Provide reliable voltage switching.
- Reduce power loss.
- Achieve efficient energy conversion in small power systems.
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**Precautions for use:**.
1. Please operate according to the recommended operating conditions in the data sheet. .
2. Pay attention to the specific value of the threshold voltage and make sure to consider this parameter in the design. .
3. Ensure that the heat dissipation design is sufficient to prevent overheating. .
4. Consider current and voltage limits in design to avoid device damage.