Model: SQ2309ES-T1-GE3-VB.
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Silk screen: VB2658.
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Brand: VBsemi.
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### Detailed parameter description: .
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- **Package type:** SOT23.
- **Channel type:** P-Channel.
- **Rated voltage (VDS):** -60V.
- **Maximum continuous current (ID):** -5.2A.
- **On resistance (RDS(ON)):**.
- @ VGS = 10V: 40mΩ.
- @ VGS = 20V: No specific value is provided.
- **Threshold voltage (Vth):** -2V.
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### Application introduction: .
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SQ2309ES- T1-GE3-VB is a P-Channel field effect transistor in SOT23 package. Due to its small package, small current, and negative power supply voltage characteristics, it is suitable for some low-power, small-signal load switching applications. .
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### Applicable fields and modules: .
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1. **Low power power switch:** Suitable for some small power load switch modules, such as those in portable electronic equipment Power management module. .
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2. **Analog switch:** Due to its small current and small package, it can be used for low-power switches in analog circuits, such as signal selection switches, etc. .
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3. **Sensor interface:** In sensor interface circuits that require negative supply voltage, SQ2309ES-T1-GE3-VB can be used to implement switching functions with low power consumption. .
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### Precautions for use: .
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1. **Voltage level:** During use, make sure not to exceed the rated voltage -60V. .
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2. **Current limit:** Do not exceed the specified maximum continuous current, which is -5.2A. .
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3. **Threshold voltage:** Note that the threshold voltage is -2V, and the appropriate voltage range needs to be considered when designing the circuit. .
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4. **Heat dissipation:** Due to its low power characteristics, additional heat dissipation is usually not required. .
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5. **Electrostatic protection:** During operation, take appropriate electrostatic protection measures to prevent damage to the transistor. .
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Please note that this is just a basic overview and specific design and application need to be based on specific project needs and manufacturer's recommendations. Before using this device, be sure to consult the associated data sheet and technical documentation for detailed information and guidance.