The **UTM3023L-TN3-R** is an N-channel enhancement mode Power MOSFET designed and manufactured by **UTC (Unisonic Technologies)**. It is primarily used for power management and switching applications due to its low on-resistance and high-speed switching capabilities. --- ### 1. Key Technical Specifications The following table highlights the primary electrical characteristics of the device: | Parameter | Symbol | Maximum Rating | | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 30 V | | **Gate-Source Voltage** | $V_{GSS}$ | ±20 V | | **Continuous Drain Current** | $I_D$ | 30 A | | **Pulsed Drain Current** | $I_{DM}$ | 120 A | | **Static Drain-Source On-Resistance** | $R_{DS(ON)}$ | 23 mΩ (Typ.) @ $V_{GS}=10V$ | | **Total Gate Charge** | $Q_g$ | 12 nC (Typ.) | | **Package Type** | TO-252 | (DPAK) | --- ### 2. Physical and Packaging Details The suffix in the part number provides specific information regarding the physical form factor: * **TN3:** Refers to the **TO-252** package (also known as DPAK). This is a surface-mount package designed for high power dissipation. * **-R:** Indicates **Tape and Reel** packaging, suitable for automated Pick-and-Place assembly. * **L:** Usually denotes a "Lead-free" or "Halogen-free" (Green) component in UTC's naming convention. --- ### 3. Key Features * **Low $R_{DS(ON)}$:** Minimizes conduction losses, making the device efficient in high-current scenarios. * **Fast Switching:** Low gate charge allows for high-frequency operation. * **High Power Density:** The TO-252 package provides a good balance between small footprint and thermal management. * **RoHS Compliant:** Environmentally friendly construction. --- ### 4. Typical Applications The UTM3023L-TN3-R is commonly found in: 1. **DC-DC Converters:** Used as a switching element in buck or boost regulators. 2. **Motor Control:** Small BLDC motor drivers or brushed DC motor PWM controllers. 3. **Power Management:** Battery protection circuits and load switching in laptops or industrial equipment. 4. **LED Drivers:** High-efficiency switching for LED arrays. --- ### 5. Internal Schematic (N-Channel) ```text Drain (Pin 2/Tab) | | G ---- |<--- (Body Diode) | | Gate Source (Pin 3) (Pin 1) ```