Model: SMS840-VB

Silkscreen: VB2355

Brand: VBsemi

Parameters:
- Package: SOT23-3
- Channel type: P-Channel
- Rated voltage: -30V
- Maximum current: -5.6A
- Static on-resistance (RDS(ON)): 47mΩ (at VGS=10V, VGS=20V)
- Threshold voltage (Vth): -1V

**Detailed parameter description:**
1. **Channel type:** P-Channel channel, suitable for P-Channel MOSFET, responsible for the part where current flows through the channel.
2. **Rated voltage:** -30V, which indicates the maximum voltage of the MOSFET under normal working conditions.
3. **Maximum current:** -5.6A, indicating the maximum current that the MOSFET can withstand.
4. **Static on-state resistance (RDS(ON)):** 47mΩ, indicating the resistance of the MOSFET in the on state.
5. **Threshold voltage (Vth):** -1V, indicating the voltage threshold of the MOSFET from off to on.

**Application introduction:**
SMS840-VB is a P-Channel MOSFET suitable for circuits that require power switching, with moderate rated voltage and current carrying capacity.

**Application areas:**
1. **Power management:** Used in power switching modules, such as DC-DC converters.
2. **Current control:** Suitable for circuits that require current control, such as current sources.
3. **Battery management:** Application in battery charging and discharging control circuits to ensure effective battery management.
4. **Motor drive:** As a power switching device in motor control circuits.

**Module Application:**
1. **Power Module:** Used in DC power switch module to ensure effective power management.
2. **Motor Drive Module:** Used as power switch device in motor drive to control the start and stop and speed of the motor.
3. **Battery Management Module:** Used in charge and discharge control module to ensure safe and efficient use of batteries.

Overall, SMS840-VB is suitable for a variety of power electronics applications, with moderate performance parameters, and can be used in various circuit designs that require P-Channel MOSFETs.