Model: AO4805&19-VB.
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Silk screen: VBA4317.
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Brand: VBsemi.
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Parameters:.
- Package type: SOP8.
- Channel type: 2 P-Channel.
- Rated voltage: -30V.
- Maximum current: -8.5A.
- On-state resistance: RDS(ON) = 21mΩ @ VGS=10V, VGS=12V.
- Threshold voltage: Vth = -1.8V.
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Package: SOP8.
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**Detailed parameter description:**.
1. **Package Type:** SOP8, indicating that the device uses SOP8 package. .
2. **Channel Type:** 2 P-Channels, indicating that this is a dual P-channel MOSFET. .
3. **Rated Voltage:** -30V, indicating the maximum negative voltage at which the device can operate normally. .
4. **Maximum Current:** -8.5A, indicating the maximum current that the device can withstand, and the negative sign indicates that the current direction is from the drain to the source. .
5. **On-State Resistance:** RDS(ON) = 21mΩ @ VGS=10V, VGS=12V, indicating the resistance in the on state under a specific gate-source voltage. .
6. **Threshold Voltage:** Vth = -1.8V, indicating the minimum voltage required for the device to switch from the off state to the on state under the action of the gate-source voltage. .
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**Application Introduction:**.
AO4805&19-VB is a dual P-Channel MOSFET suitable for a variety of applications, including but not limited to:.
1. **Power Switch:** Due to its P-channel nature, it can be used in power switches and power inverters. .
2. **Battery Protection:** Suitable for battery management systems to protect batteries from over-discharge and over-charge. .
3. **Power Inverter:** Used in inverters and switching power supplies to provide efficient energy conversion. .
4. **Power Amplifier:** Can be used in the output stage of an audio power amplifier to provide precise control of current and voltage. .
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Please note that the data sheet and application manual of the device should be carefully referenced in the specific design to ensure correct use and performance.