The **UT5504G-S08-R** is a high-performance, P-Channel enhancement mode Power MOSFET manufactured by Unisonic Technologies (UTC). It is primarily designed for high-speed switching applications and power management in compact electronic devices. --- ### ## Technical Specifications Below is a breakdown of the core electrical characteristics: | Parameter | Symbol | Maximum Rating | Unit | | :--- | :--- | :--- | :--- | | Drain-Source Voltage | $V_{DSS}$ | -30 | V | | Gate-Source Voltage | $V_{GSS}$ | ±20 | V | | Continuous Drain Current | $I_D$ | -12 | A | | Pulsed Drain Current | $I_{DM}$ | -40 | A | | Static Drain-Source On-Resistance | $R_{DS(ON)}$ | 11 (Typ @ -10V) | mΩ | | Total Gate Charge | $Q_g$ | 24 (Typ) | nC | --- ### ## Key Features * **Low On-Resistance:** High density cell design ensures extremely low $R_{DS(ON)}$, which reduces conduction power losses. * **High Speed:** Optimized for fast switching speeds, making it ideal for DC-DC converters. * **Package Type:** Usually comes in an **SOP-8** (Small Outline Package) or similar surface-mount footprint, which is space-efficient for PCB layouts. * **Green Product:** The "G" suffix indicates it is a halogen-free/lead-free "Green" product, and the "R" indicates Tape & Reel packaging. --- ### ## Internal Structure and Pinout The SOP-8 package typically follows a standard configuration for Power MOSFETs: 1. **Pins 1, 2, 3:** Source (S) 2. **Pin 4:** Gate (G) 3. **Pins 5, 6, 7, 8:** Drain (D) --- ### ## Applications The UT5504G is versatile and commonly found in the following circuits: * **Power Management:** Used in battery protection circuits for laptops and mobile devices. * **Load Switching:** Acts as a high-side switch to connect or disconnect a load from the power supply. * **DC-DC Converters:** Used in buck or boost regulators where high efficiency is required. * **Motor Control:** Small DC motor drive stages.