The **UTF3055G-TN3-R** is an N-Channel enhancement mode Power MOSFET designed by UTC (Unisonic Technologies). It is widely used in power management applications due to its high switching speed and low on-resistance. --- ### 1. Key Technical Specifications The following table summarizes the primary electrical characteristics of the UTF3055G-TN3-R: | Parameter | Symbol | Maximum Rating | | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 60 V | | **Gate-Source Voltage** | $V_{GSS}$ | ±20 V | | **Continuous Drain Current** | $I_D$ | 12 A | | **Pulsed Drain Current** | $I_{DM}$ | 48 A | | **Static Drain-Source On-Resistance** | $R_{DS(ON)}$ | 100 mΩ (at $V_{GS}=10V$) | | **Total Power Dissipation** | $P_D$ | 45 W | | **Operating Junction Temp.** | $T_J$ | -55 to +150 °C | --- ### 2. Physical and Packaging Details The suffix in the part number provides specific information about the physical form factor and delivery method: * **Package Type:** TO-252 (also known as D-PAK). This is a surface-mount package designed for high power density and efficient heat dissipation. * **Packing:** The "-R" suffix typically indicates **Tape and Reel** packaging, suitable for automated pick-and-place assembly. * **Halogen-Free:** The "G" in the part number indicates that the component is Halogen-free and RoHS compliant. --- ### 3. Features and Applications #### Features * **Low $R_{DS(ON)}$:** Minimizes conduction losses, increasing efficiency in power circuits. * **High Switching Speed:** Allows for use in high-frequency PWM (Pulse Width Modulation) circuits. * **Robustness:** Designed to handle high current pulses and thermal stress. #### Common Applications 1. **DC-DC Converters:** Stepping voltages up or down in electronic devices. 2. **Motor Control:** Driving small to medium DC motors or brushless motors. 3. **Power Management:** Used in battery protection circuits and load switching. 4. **LED Drivers:** Controlling high-power lighting systems. --- ### 4. Pin Configuration (TO-252) ```text _______ | | | <-- Tab (Drain) |___|___| | | | 2 | (1) Gate : Control signal input |_______| (2) Drain : Connected to the load | | | (3) Source: Connected to ground (usually) 1 2 3 ```