The **UT3N06G-AB3-R** is an N-Channel enhancement mode Power MOSFET manufactured by Unisonic Technologies (UTC). It is designed for low-voltage, high-speed switching applications. --- ### 1. Key Technical Specifications The following table highlights the primary electrical characteristics of the device: | Parameter | Symbol | Maximum Rating | | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 60 V | | **Gate-Source Voltage** | $V_{GSS}$ | ±20 V | | **Continuous Drain Current** | $I_D$ | 3.0 A | | **Static Drain-Source On-Resistance** | $R_{DS(ON)}$ | 100 mΩ @ $V_{GS}=10V$ | | **Package Type** | SOT-89 | Surface Mount | | **Halogen Free** | G | Yes (Green) | --- ### 2. Component Identification (Part Number Breakdown) Understanding the suffix and prefix of this specific part: * **UT**: Unisonic Technologies (Manufacturer). * **3N06**: Represents the Current (3A) and Voltage (60V) rating. * **G**: Halogen-free and RoHS compliant (Green). * **AB3**: Refers to the **SOT-89** package type. * **R**: Tape and Reel packaging. --- ### 3. Features and Applications #### Features * **Low On-Resistance**: Minimizes power loss during conduction. * **Fast Switching**: High-speed capability suitable for PWM circuits. * **Logic Level Compatible**: Can be triggered by low-voltage signals (e.g., microcontrollers). #### Common Applications 1. **Motor Control**: Small DC motor drivers and H-bridge circuits. 2. **Power Management**: Load switches in portable electronics. 3. **LED Drivers**: Switching control for high-brightness LED arrays. 4. **DC-DC Converters**: Low-power step-down or step-up modules. --- ### 4. Pinout Configuration (SOT-89) Looking at the front of the component (pins pointing down): | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | **Gate (G)** | Controls the turning on/off of the MOSFET. | | **2** | **Drain (D)** | Connected to the load (also the large metal tab). | | **3** | **Source (S)** | Connected to the ground or negative supply. |