Model: SI4948BEY-T1-E3-VB.
Silk screen: VBA4658.
Brand: VBsemi.
Parameters: .
- Type: 2 P channels.
- Rated voltage (Vds ): -60V.
- Maximum continuous current (Id): -5.3A.
- On-resistance (RDS(ON)): 58mΩ @ 10V.
- Gate-source voltage range (Vgs): 20V (positive and negative).
- Threshold voltage range (Vth): -1~-3V.
- Package: SOP8.
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Application introduction: .
SI4948BEY-T1-E3 -VB is a pair of P-channel field effect transistors (MOSFETs), containing two P-channel MOSFETs at the same time. It is suitable for electronic applications requiring negative voltage operation, such as power switches, battery protection and load switches. .
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Detailed parameter description: .
1. **Type**: This is a pair of P-channel MOSFETs, including two P-channel MOSFETs. P-channel MOSFET turns on when a negative voltage is input. This type of MOSFET is commonly used in circuits that require negative going voltage operation. .
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2. **Rated voltage (Vds)**: The maximum drain-source voltage it can withstand is -60V. This means that under normal operating conditions, its voltage can be negative, but it should not exceed -60V. .
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3. **Maximum continuous current (Id)**: The maximum current carrying capacity of each MOSFET of this pair of P-channel MOSFETs is -5.3A. The negative sign indicates that the current flows from source to drain. .
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4. **On-resistance (RDS(ON))**: RDS(ON) is the resistance in the on-state, which affects the power consumption and efficiency of MOSFET. At a gate-source voltage of 10V, its RDS(ON) is 58mΩ, indicating relatively low power consumption in the on state. .
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5. **Gate-source voltage range (Vgs)**: The gate-source voltage range of MOSFET is 20V, which means that a voltage of up to 20V is required to control its conduction state. .
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6. **Threshold voltage range (Vth)**: The threshold voltage range of each MOSFET of this pair of P-channel MOSFETs is -1~-3V. This is the gate-source voltage range that initiates conduction of the MOSFET. .
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7. **Package**: This pair of P-channel MOSFETs are packaged in SOP8, which is a common packaging type suitable for a variety of circuit applications. .
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Application fields: .
SI4948BEY-T1-E3-VB This pair of P-channel MOSFETs is suitable for a variety of electronic modules and equipment that require negative voltage operation, including but not limited to modules in the following fields ：.
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1. **Battery Protection**: Can be used in battery protection circuit to ensure that the battery is not overcharged or overdischarged. .
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2. **Power switch**: Can be used for negative voltage power switch, such as voltage conversion and power control. .
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3. **Load switch**: used to control the on and off of loads, such as LED lighting systems, power tools and electronic equipment. .
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4. **Battery Charge and Discharge**: Used for battery charge and discharge management circuit to ensure safe and efficient battery use. .
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In short, this pair of P-channel MOSFETs is suitable for electronic modules and devices that require negative voltage operation, providing power control and current management functions. They are particularly suitable for battery protection and load switching applications. .