The **UT5003L-S08-R** is a high-performance, P-Channel enhancement mode Power MOSFET designed by Unisonic Technologies (UTC). It is primarily utilized in power management applications where space is limited and high efficiency is required. --- ## 1. Key Specifications The following table highlights the fundamental electrical characteristics of the device: | Parameter | Symbol | Maximum Rating | Unit | | :--- | :--- | :--- | :--- | | Drain-Source Voltage | $V_{DSS}$ | -30 | V | | Gate-Source Voltage | $V_{GSS}$ | ±20 | V | | Continuous Drain Current | $I_D$ | -13 | A | | Pulsed Drain Current | $I_{DM}$ | -50 | A | | Static Drain-Source On-Resistance | $R_{DS(ON)}$ | 12 (at $V_{GS}=-10V$) | mΩ | | Total Gate Charge | $Q_g$ | 16 (Typ) | nC | --- ## 2. Pin Configuration (SOP-8) The UT5003L-S08-R is typically housed in an **SOP-8** (Small Outline Package). This package is surface-mounted and designed for automated assembly. | Pin Number | Name | Description | | :--- | :--- | :--- | | 1, 2, 3 | **S** | Source | | 4 | **G** | Gate | | 5, 6, 7, 8 | **D** | Drain | --- ## 3. Features and Benefits - **Low On-Resistance:** The low $R_{DS(ON)}$ minimizes conduction losses, making it highly efficient for battery-operated devices. - **Fast Switching Speed:** Reduced gate charge allows for rapid transitions, which is ideal for PWM (Pulse Width Modulation) applications. - **Trench Technology:** Utilizes high-density cell design to achieve the best performance-to-size ratio. - **Green Product:** The "R" suffix typically denotes compliance with RoHS standards (Halogen-free/Lead-free). --- ## 4. Common Applications The UT5003L-S08-R is versatile and commonly found in the following circuits: 1. **Load Switching:** Acting as a high-side switch to disconnect power to specific sub-systems. 2. **DC-DC Converters:** Used in the power stage of buck or boost converters. 3. **Battery Protection:** Integrated into battery management systems (BMS) for laptops and portable electronics. 4. **Motor Control:** Driving small DC motors in consumer appliances. ---