## UT2302G-AE3-R Technical Overview The **UT2302G-AE3-R** is a specific Power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) manufactured by **UTC (Unisonic Technologies)**. It is an N-Channel enhancement mode transistor designed for high-density mounting and efficient power management. --- ### 1. Key Technical Specifications The following table summarizes the primary electrical characteristics of the device: | Parameter | Symbol | Maximum Rating | | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 20 V | | **Gate-Source Voltage** | $V_{GSS}$ | ±8 V | | **Continuous Drain Current** | $I_D$ | 2.0 A | | **Pulsed Drain Current** | $I_{DM}$ | 10 A | | **Static Drain-Source On-Resistance** | $R_{DS(ON)}$ | 85 mΩ @ $V_{GS}$ = 4.5V | | **Power Dissipation** | $P_D$ | 0.5 W | | **Operating Temperature** | $T_J$ | -55 to +150 °C | --- ### 2. Physical and Package Information The part number suffix **AE3-R** indicates the package style and tape-and-reel shipping format. * **Package Type:** SOT-23 (Small Outline Transistor). * **Lead Finish:** Halogen-free and Lead-free (Green). * **Pin Configuration:** 1. **Gate (G):** Controls the switching state. 2. **Source (S):** Connected to the lower potential. 3. **Drain (D):** Connected to the load. --- ### 3. Features and Applications The UT2302G is optimized for low-voltage, high-current switching. #### Core Features: * **Low Threshold Voltage:** Can be driven directly by 2.5V or 5V logic levels. * **High-Speed Switching:** Minimal gate charge allows for rapid state transitions. * **Low On-Resistance:** Reduces power loss and heat generation during conduction. #### Common Applications: * **DC/DC Converters:** Used in power supply modules for portable devices. * **Load Switching:** Controlling power to specific sub-circuits in smartphones or laptops. * **Battery Management:** Protection circuits and charging paths. * **Motor Driving:** Small DC motor control. --- ### 4. Part Number Breakdown Understanding the UTC naming convention: * **UT2302:** Basic Part Number (20V N-Channel MOSFET). * **G:** Halogen-free / Green package. * **AE3:** Package Code for SOT-23. * **R:** Tape and Reel packaging.