**Product model:** AO3438-VB

**Silk screen:** VB1240

**Brand:** VBsemi

**Parameters:**
- Package: SOT23-3
- Channel type: N-Channel
- Maximum operating voltage: 20V
- Maximum current: 6A
- On-resistance: RDS(ON) = 24mΩ @ VGS=4.5V, VGS=8V
- Threshold voltage: Vth = 0.45~1V

**Application introduction:**
AO3438-VB is a VBsemi brand SOT23-3 package, N-Channel channel type MOSFET. With a maximum operating voltage of 20V and a maximum current of 6A, its low on-resistance and adjustable threshold voltage make it excellent in a variety of electronic applications.

**Fields and module applications:**
1. **Power management module:** Applicable to power switches, voltage regulators and battery management systems, providing efficient energy conversion and reliable current control.
2. **Motor drive:** In the field of motor control, it can be used in motor drive modules to achieve efficient motor operation.
3. **Lighting system:** Can be applied to LED drive and electronic dimming modules to provide precise lighting control.
4. **DC-DC converter:** Applicable to embedded DC-DC converters to improve the energy conversion efficiency of the system.

The characteristics of AO3438-VB make it a key component in electronic devices in various fields, improving system performance and efficiency.