The YU1AH222N090DAMD0H is a multilayer ceramic capacitor (MLCC) manufactured by Walsin Technology Corporation. MLCCs are widely used passive components in electronic circuits for energy storage, filtering, and bypassing applications. This specific part number provides key information about the capacitor's characteristics and dimensions.

Applications:

• Bypassing: Filtering out unwanted noise from power supplies to ensure stable operation of integrated circuits.
• Decoupling: Providing a local energy reservoir for integrated circuits to meet instantaneous current demands.
• Filtering: Smoothing out voltage fluctuations in analog and digital circuits.
• Timing circuits: Used in conjunction with resistors to create timing elements in oscillators and timers.
• General-purpose applications: Used in various electronic circuits requiring stable capacitance.

Features:

• Multilayer ceramic construction: Provides high capacitance in a small package.
• Surface mount technology (SMT): Allows for automated assembly on printed circuit boards (PCBs).
• High capacitance value: 2200 pF (picofarads) is the specified capacitance.
• Low equivalent series resistance (ESR): Minimizes power losses and improves circuit performance.
• Stable performance over temperature: Capacitance changes minimally over a wide temperature range.

Benefits:

• Reduces noise and improves signal integrity in electronic circuits.
• Stabilizes voltage levels in sensitive circuits.
• Allows for miniaturization of electronic devices.
• Increases the reliability of electronic systems.
• Cost-effective solution for various circuit requirements.

The YU1AH222N090DAMD0H likely has a capacitance value of 2200pF (222), a voltage rating of 100V or less (inferred from part number coding conventions), and a specific temperature coefficient characteristic (e.g., X7R, C0G). The physical dimensions are also encoded in the part number, determining the footprint on the PCB. This type of capacitor is commonly used in smartphones, tablets, computers, and other consumer electronics. Proper selection of the capacitor's voltage rating, temperature coefficient, and capacitance value is essential for optimal circuit performance. The SMD package ensures efficient automated assembly on high-volume production lines.