The A390UW243M350A is a surface-mount aluminum electrolytic capacitor manufactured by Kemet. It is characterized by its relatively high capacitance and voltage rating, making it suitable for filtering and energy storage applications in various electronic circuits. The 'A390' likely represents a specific series designation within Kemet's aluminum electrolytic capacitor line, and the remainder of the part number specifies its electrical characteristics and physical dimensions.

Applications:

• Power supply filtering and smoothing.
• Energy storage in DC-DC converters.
• Bypass and decoupling in electronic circuits.
• Audio equipment for signal coupling and filtering.
• Industrial control systems requiring reliable filtering.

Features:

• High Capacitance: Provides significant capacitance value for filtering and energy storage.
• Surface Mount Design: Enables automated assembly and compact board layout.
• Aluminum Electrolytic Construction: Offers a balance of performance, cost, and size.
• Wide Operating Temperature Range: Suitable for use in various environmental conditions.
• Long Life Expectancy: Designed for long-term reliability in demanding applications.
• High Ripple Current Capability: Can handle significant ripple current without degradation.
• RoHS Compliant: Meets environmental regulations for hazardous substances.

Benefits:

• Effective Filtering: Reduces noise and ripple in power supplies and other circuits.
• Compact Design: Surface-mount package saves board space compared to through-hole components.
• Reliable Performance: Proven aluminum electrolytic technology ensures reliable operation.
• Cost-Effective Solution: Offers a good balance of performance and cost for filtering and energy storage.
• Easy Assembly: Surface-mount design simplifies assembly and reduces manufacturing costs.

Additional Details:

Based on the part number, A390UW243M350A, it's likely this capacitor has a capacitance of 24000 uF (243) and a voltage rating of 35V (350). The 'M' likely indicates the capacitance tolerance (e.g., ±20%). The operating temperature range is typically -40°C to +85°C or +105°C, depending on the specific series. Aluminum electrolytic capacitors have a limited lifespan, which is specified in hours at a given temperature and ripple current. Consult the datasheet for detailed electrical characteristics, dimensions, ripple current ratings, and life expectancy information.