The **UT4392L-S08-R** is a high-performance **N-Channel enhancement mode Power MOSFET** manufactured by Unisonic Technologies (UTC). It is primarily designed for power management applications requiring high efficiency and low thermal resistance. --- ## 1. Core Technical Specifications The following table summarizes the primary electrical characteristics of the UT4392L-S08-R: | Parameter | Symbol | Maximum Rating | | :--- | :--- | :--- | | **Drain-Source Voltage** | $V_{DSS}$ | 30 V | | **Gate-Source Voltage** | $V_{GSS}$ | ±20 V | | **Continuous Drain Current** | $I_D$ | 15 A | | **Pulsed Drain Current** | $I_{DM}$ | 50 A | | **Drain-Source On-Resistance** | $R_{DS(ON)}$ | 6.5 mΩ (typ) @ $V_{GS}=10V$ | | **Total Gate Charge** | $Q_g$ | 24 nC (typ) | | **Package Type** | SOP-8 | Surface Mount | --- ## 2. Key Features * **Low On-Resistance ($R_{DS(ON)}$):** Minimizes power loss during the conduction phase, increasing overall system efficiency. * **Fast Switching Speed:** Optimized for high-frequency DC-DC converters. * **Low Gate Charge ($Q_g$):** Reduces the driving power required from the PWM controller. * **Green Product:** Typically halogen-free and Lead-free (Pb-free) compliant. --- ## 3. Pin Configuration (SOP-8) The device follows the standard SOP-8 pinout for Power MOSFETs: | Pin Number | Name | Function | | :--- | :--- | :--- | | 1, 2, 3 | **S** | Source | | 4 | **G** | Gate | | 5, 6, 7, 8 | **D** | Drain | --- ## 4. Common Applications Due to its high current handling and low resistance, the UT4392L-S08-R is commonly found in: 1. **Notebook PC Power Management:** VRM (Voltage Regulator Module) for CPUs. 2. **DC/DC Converters:** Buck and Boost topologies. 3. **Load Switching:** Used as an electronic switch for peripherals. 4. **Battery Protection:** Integrated into BMS (Battery Management Systems) for mobile devices. --- ## 5. Part Number Nomenclature Understanding the suffix codes for UTC parts: * **UT4392L**: The base part number (N-Channel MOSFET). * **S08**: Indicates the **SOP-8** package type. * **R**: Refers to **Tape and Reel** packaging for automated assembly. * **L**: Typically denotes **Lead-free** (or Halogen-free) materials.