**WNM2021-VB Detailed parameter description and application introduction: **.
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**Parameter description: **.
- Package: SC70-3.
- Channel type: N- Channel.
- Rated voltage (VDS): 20V.
- Rated current (ID): 4A.
- RDS(ON): 45mΩ @ VGS=10V, VGS=12V.
- Gate Source voltage threshold (Vth): 1~3V.
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**Application Introduction:**.
WNM2021-VB is an N-Channel MOSFET in SC70-3 package with low voltage and low On-resistance characteristics make it suitable for a variety of portable electronic devices and low-power applications. .
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**Main application field modules:**.
1. **Power management module:** WNM2021-VB can be used as a power management module in portable devices to achieve efficient power switch control , reduce power consumption. .
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2. **Battery Protection Module:** In mobile devices, WNM2021-VB can be used in battery protection circuits to ensure safety and stability during battery charging and discharging. .
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3. **Signal switch module:** Due to its on-resistance in the low-resistance state, it can be used to implement signal switching under low-voltage conditions and improve the efficiency of signal transmission. .
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**Function:**.
- Provide reliable power switch control and reduce power consumption. .
- Used for battery management to ensure battery safety and stable operation. .
- In signal switches, it provides conduction in low resistance state and increases signal transmission efficiency. .
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**Usage Precautions:**.
1. **Voltage Limitation:** Make sure to operate within the specified voltage range and do not exceed the maximum rated voltage (20V). .
2. **Current Limitation:** Do not exceed the maximum allowed current (4A) to avoid overheating and damage. .
3. **Electrostatic protection:** Take electrostatic protection measures during operation to avoid damaging sensitive MOSFET devices. .
4. **Gate-source voltage:** Pay attention to the applicable range of gate-source voltage (Vth) to ensure normal operation within the specified range.