The **UT2306G-AE3-R** is an N-Channel enhancement mode Field Effect Transistor (MOSFET) produced by Unisonic Technologies (UTC). It is designed for low-voltage, high-speed switching applications. --- ### 1. General Specifications The following table highlights the primary electrical characteristics of the UT2306G-AE3-R: | Parameter | Symbol | Maximum Rating | Unit | | :--- | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 30 | V | | **Gate-Source Voltage** | $V_{GSS}$ | $\pm$12 | V | | **Continuous Drain Current** | $I_D$ | 3.5 | A | | **Pulsed Drain Current** | $I_{DM}$ | 10 | A | | **Power Dissipation** | $P_D$ | 0.9 | W | | **Operating Temperature** | $T_j$ | -55 to +150 | °C | --- ### 2. Key Features * **Low On-Resistance ($R_{DS(ON)}$):** Provides high efficiency and low power loss during operation. Typically measures around $45\text{--}60\text{ m}\Omega$ depending on gate voltage. * **High-Speed Switching:** Optimized for fast transitions, making it suitable for PWM (Pulse Width Modulation) circuits. * **Surface Mount Package:** Comes in an **SOT-23** package (represented by the "AE3" suffix), which is ideal for compact PCB designs. * **Green Product:** The "G" in the part number indicates it is a halogen-free/lead-free "Green" product. --- ### 3. Pin Configuration (SOT-23) The device uses a standard 3-pin configuration: | Pin Number | Name | Description | | :--- | :--- | :--- | | 1 | **G** | Gate: Controls the flow of current between Drain and Source. | | 2 | **S** | Source: The terminal where the majority of carriers enter the channel. | | 3 | **D** | Drain: The terminal where the majority of carriers leave the channel. | --- ### 4. Typical Applications The UT2306G is commonly used in the following scenarios: 1. **Power Management:** Used in DC-DC converters and load switching. 2. **Battery Protection:** Integrated into battery management systems for portable electronics. 3. **LED Driving:** Suitable for low-voltage LED arrays. 4. **Logic Level Interface:** Can be driven directly by microcontrollers (3.3V or 5V logic). --- ### 5. Ordering Information Breakdown | Code | Meaning | | :--- | :--- | | **UT2306** | Part Series Number | | **G** | Halogen Free / Lead Free | | **AE3** | SOT-23 Package Type | | **R** | Tape and Reel Packaging |