The Rubycon 400AX4R7MAPLT78X9 is an aluminum electrolytic capacitor. This type of capacitor is commonly used in a wide range of electronic circuits for filtering, smoothing, and energy storage applications. Given the part number breakdown, it is likely a snap-in type capacitor with specific dimensions and electrical characteristics tailored for particular applications.

Applications:

• Power Supplies: Used for smoothing the DC output voltage in switching power supplies.
• Inverters: Employed in inverters to filter the DC voltage and provide energy storage.
• LED Lighting: Utilized in LED drivers to smooth the current and improve the stability of the light output.
• Industrial Equipment: Found in various industrial devices for filtering and energy storage purposes.
• Consumer Electronics: Used in appliances, audio equipment, and other consumer devices for power supply filtering.

Features:

• High Capacitance: Provides a relatively large capacitance value for effective filtering and energy storage. The '4R7' in the part number suggests a capacitance of 4.7µF.
• Aluminum Electrolytic Construction: Utilizes aluminum electrolytic technology for a high capacitance-to-volume ratio.
• Snap-In Terminals: Equipped with snap-in terminals for easy and secure mounting on printed circuit boards.
• Polarized: Requires correct polarity during installation to avoid damage.
• Compact Size: Designed to be relatively compact for space-constrained applications.

Benefits:

• Effective Filtering: Smooths out voltage ripples in power supplies, improving the performance and stability of electronic circuits.
• Energy Storage: Provides energy storage for short-term power interruptions or voltage fluctuations.
• Easy Installation: Snap-in terminals simplify the mounting process on PCBs.
• Cost-Effective: Offers a cost-effective solution for applications requiring high capacitance.
• Reliable Performance: Provides reliable performance over a wide range of operating conditions.

The 400V rating in the part number indicates the maximum voltage that can be safely applied to the capacitor. The operating temperature range typically spans from -25°C to +85°C or higher, depending on the specific series. Exact dimensions can be found in the Rubycon datasheet. Always ensure the capacitor is used within its specified voltage, temperature, and ripple current ratings to prevent premature failure. The Rubycon datasheet for the 400AX series provides complete technical specifications and application guidelines.