**VBsemi RTR030P02TL-VB**

**Detailed parameter description:**
- Silk screen: VB2290
- Brand: VBsemi
- Package: SOT23
- Type: P—Channel
- Rated voltage: -20V
- Maximum current: -4A
- On-resistance (RDS(ON)): 57mΩ @ VGS=4.5V, VGS=12V
- Threshold voltage (Vth): -0.81V

**Application Introduction:**
VBsemi RTR030P02TL-VB is a high-performance P-channel field effect transistor designed for power management and switching circuits with small size, high efficiency and reliability.

**Application areas:**
1. **Power management system:** Used in various power management systems, including power switches and battery protection circuits.
2. **DC-DC converter:** Widely used in DC-DC circuits that require high-efficiency conversion.
3. **Battery charge and discharge control:** Applicable to battery charge and discharge control circuits to prevent battery overcharge and overdischarge.
4. **Portable electronic devices:** Such as smart phones, tablets, etc., for power management and circuit switching.

**Example applications:**
- **Power management system design:** Provide efficient and reliable power switching and battery protection functions.
- **DC-DC converter application:** Used for DC power conversion to achieve high-efficiency conversion between different voltage levels.
- **Battery charge and discharge protection:** Control battery charge and discharge to ensure that the battery operates within a safe range.
- **Portable electronic devices:** As a key component of power management and switching circuits, ensure efficient and stable operation of the device.

VBsemi RTR030P02TL-VB provides reliable power management solutions for various applications through its excellent performance, especially suitable for electronic systems requiring miniaturization and high efficiency.