The **UT4800G-S08-R** is a high-performance N-Channel enhancement mode Power MOSFET commonly used in power management and switching applications. It is manufactured by Unisonic Technologies (UTC). --- ### 1. Key Technical Specifications Below are the primary electrical characteristics for the UT4800G-S08-R: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Drain-Source Voltage ($V_{DSS}$)** | 30V | Maximum voltage across drain and source. | | **Continuous Drain Current ($I_D$)** | 6.9A | Maximum steady-state current at 25°C. | | **Drain-Source On-Resistance ($R_{DS(on)}$)** | 28mΩ (max) | Resistance when the gate is fully on ($V_{GS}=10V$). | | **Gate-Source Voltage ($V_{GS}$)** | ±20V | Maximum voltage range for the gate terminal. | | **Package Type** | SOP-8 | Small Outline Package with 8 pins. | | **Halogen Status** | Halogen-Free | Indicated by the "G" in the part number. | --- ### 2. Part Number Breakdown The nomenclature provides specific details about the component's construction: * **UT**: UTC (Manufacturer: Unisonic Technologies). * **4800**: Part series identifier. * **G**: Halogen-free and Lead-free (Green product). * **S08**: SOP-8 Package. * **R**: Tape and Reel packaging. --- ### 3. Pin Configuration (SOP-8) In a standard SOP-8 power MOSFET package, the pins are typically assigned as follows: | Pin Number | Function | | :--- | :--- | | 1, 2, 3 | **Source (S)** | | 4 | **Gate (G)** | | 5, 6, 7, 8 | **Drain (D)** | --- ### 4. Typical Applications Due to its low on-resistance and compact footprint, this MOSFET is used in: * **DC-DC Converters:** For efficient voltage stepping in laptops and mobile devices. * **Load Switching:** Turning peripheral power rails on or off. * **Battery Management:** Protection circuits in Lithium-ion battery packs. * **Motor Control:** Driving small brushless or brushed DC motors. ### 5. Key Features * **High Switching Speed:** Optimized for high-frequency PWM (Pulse Width Modulation). * **Low Gate Charge:** Requires minimal energy to trigger the gate, improving efficiency. * **Thermal Efficiency:** The SOP-8 package allows for decent heat dissipation via the PCB copper traces connected to the drain pins.