The **UT2306G-AE2-R** is an N-Channel enhancement mode Field Effect Transistor (MOSFET) manufactured by Unisonic Technologies (UTC). It is designed for low-voltage, high-speed switching applications and is commonly found in power management circuits. --- ### 1. Key Technical Specifications The following table summarizes the primary electrical characteristics of the UT2306G-AE2-R: | Parameter | Symbol | Maximum Rating | | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 30 V | | **Gate-Source Voltage** | $V_{GSS}$ | ±12 V | | **Continuous Drain Current** | $I_D$ | 3.5 A | | **Pulsed Drain Current** | $I_{DM}$ | 10 A | | **Static Drain-Source On-Resistance** | $R_{DS(ON)}$ | 55 mΩ (@ $V_{GS}=4.5V$) | | **Total Power Dissipation** | $P_D$ | 1.25 W | | **Operating Temperature** | $T_J$ | -55 to +150 °C | --- ### 2. Physical and Ordering Information The nomenclature of the part number provides specific details about its construction and packaging: * **Package Type:** SOT-23-3 (identified by the `AE2` suffix). * **Green/Lead-Free:** The `G` indicates that the device is Halogen-free and RoHS compliant. * **Packing:** The `R` suffix typically denotes "Tape and Reel" packaging for automated SMT assembly. --- ### 3. Application Use Cases Due to its low on-resistance and small footprint, this MOSFET is ideal for: * **DC-DC Converters:** Used in buck or boost regulators for portable electronics. * **Load Switching:** Efficiently turning off power rails to save energy. * **Battery Protection:** Controlling charging and discharging cycles in Li-ion battery packs. * **Logic Level Drivers:** Interfacing low-voltage microcontrollers with higher current loads. --- ### 4. Pin Configuration (SOT-23) Standard pinout for the UT2306G in an AE2 package: | Pin Number | Terminal | Function | | :--- | :--- | :--- | | 1 | **G** | Gate (Control terminal) | | 2 | **S** | Source (Input/Reference) | | 3 | **D** | Drain (Output/Load) | ---