The **UT3416G-AE3-R** is an N-Channel enhancement mode Power MOSFET manufactured by Unisonic Technologies (UTC). It is primarily designed for high-efficiency switching applications, often found in power management circuits of portable electronics. --- ## 1. Technical Specifications The following table summarizes the key electrical characteristics of the UT3416G-AE3-R: | Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 30 | V | | **Gate-Source Voltage** | $V_{GSS}$ | ±12 | V | | **Continuous Drain Current** | $I_D$ | 6.5 | A | | **Static Drain-Source On-Resistance** | $R_{DS(ON)}$ | 22 (Typ) | mΩ | | **Total Gate Charge** | $Q_g$ | 11.5 | nC | | **Package Type** | SOT-23-3 | AE3 | - | --- ## 2. Key Features and Construction * **Low On-Resistance:** Its low $R_{DS(ON)}$ ensures minimal power loss during conduction, which is critical for battery-powered devices. * **Low Gate Charge:** Allows for fast switching speeds and reduces driving requirements for the controller. * **Package (SOT-23):** The "AE3" suffix denotes the SOT-23-3 package, which is ultra-compact and suitable for high-density surface mount designs. * **Green Product:** The "G" in the part number indicates that the component is "Green" (Halogen-free and RoHS compliant). --- ## 3. Pin Configuration The SOT-23 package typically follows the standard MOSFET pinout: 1. **Gate (G):** Controls the switching of the MOSFET. 2. **Source (S):** Connected to the ground or the negative side of the load. 3. **Drain (D):** Connected to the load. --- ## 4. Typical Applications The UT3416G is commonly used in the following scenarios: * **Load Switching:** Turning peripheral devices on/off to save power. * **DC-DC Converters:** Used in Buck or Boost converters for voltage regulation. * **Battery Management:** Protects and manages charging cycles in Lithium-ion battery packs. * **LED Drivers:** Used as a switch to modulate current for LED strings. ---