The **UT2352L-AE3-R** is a high-performance, N-Channel enhancement mode Power MOSFET manufactured by UTC (Unisonic Technologies). It is designed primarily for power management and switching applications where efficiency and low board space consumption are critical. --- ### 1. Technical Specifications The following table summarizes the key electrical characteristics of the UT2352L-AE3-R: | Parameter | Symbol | Maximum Rating | Unit | | :--- | :--- | :--- | :--- | | Drain-Source Voltage | $V_{DSS}$ | 20 | V | | Gate-Source Voltage | $V_{GSS}$ | $\pm$ 8 | V | | Continuous Drain Current | $I_D$ | 2.1 | A | | Pulsed Drain Current | $I_{DM}$ | 10 | A | | Static Drain-Source On-Resistance | $R_{DS(ON)}$ | 85 (at $V_{GS}$=4.5V) | m$\Omega$ | | Power Dissipation | $P_D$ | 0.35 | W | | Package Type | SOT-23 | - | - | --- ### 2. Key Features and Internal Structure The component utilizes advanced trench technology to provide several benefits for electronic circuits: * **Low On-Resistance:** The low $R_{DS(ON)}$ minimizes power loss during the conduction phase, reducing heat generation. * **Low Threshold Voltage:** It can be driven by low-voltage logic (gate-source threshold $V_{GS(th)}$ is typically between 0.45V and 1.2V), making it compatible with many microcontrollers. * **Surface Mount Design:** The SOT-23 package is standardized for automated assembly and high-density PCB layouts. * **High Switching Speed:** Fast response times allow for high-frequency PWM applications. --- ### 3. Pin Configuration The UT2352L-AE3-R follows the standard SOT-23 pinout: 1. **Gate (G):** Controls the switching state of the MOSFET. 2. **Source (S):** Connected to the negative terminal of the load or ground in common configurations. 3. **Drain (D):** Connected to the load to be switched. --- ### 4. Common Applications * **Load Switching:** Turning peripheral devices on or off in portable electronics. * **DC-DC Converters:** Used in buck or boost regulators for voltage conversion. * **Battery Protection:** Integrated into BMS (Battery Management Systems) for lithium-ion protection circuits. * **LED Driving:** Switching LED arrays in backlighting or indicator panels. ---