### Detailed parameter description:

**Model: ** RU602B-VB
**Silkscreen: ** VB1695
**Brand: ** VBsemi
**Package: ** SOT23
**Parameters: **
- Channel type: N-Channel
- Maximum withstand voltage: 60V
- Rated current: 4A
- On-resistance: RDS(ON)=85mΩ @ VGS=10V, VGS=20V
- Threshold voltage: Vth=1~3V

### Application introduction:

RU602B-VB is an N-Channel MOSFET launched by VBsemi, using a compact SOT23 package. It has a maximum withstand voltage of 60V, a rated current of 4A, and excellent on-resistance (RDS(ON)) performance. The threshold voltage (Vth) is in the range of 1~3V, which is suitable for a variety of circuit control needs.

### Application fields and module examples:

1. **Power management module:** Due to the high maximum withstand voltage and moderate rated current of the device, it can be used in power management modules such as regulators and switching power supplies to provide reliable power output.

2. **Motor drive module:** The rated current of 4A makes it suitable for driving small motors, such as power tools, fans and other electric equipment.

3. **LED lighting control:** The low on-resistance and N-Channel channel characteristics make it an ideal choice for LED lighting control modules to ensure efficient energy conversion.

4. **Battery management:** In applications that require battery management, such as portable electronic devices, RU602B-VB can be used to design battery charge and discharge management modules to improve battery efficiency.

Overall, the RU602B-VB is suitable for many fields, especially in applications that require efficient power management and small package, and can provide reliable performance.