The T491C475M025AS4068 is a surface mount solid tantalum capacitor from KEMET's T491 series. These capacitors are designed for general-purpose applications but are also suitable for more demanding uses with controlled ESR. They are known for offering reliable performance and stability across diverse operating conditions, making them suitable for decoupling, filtering, and bulk capacitance applications in electronic circuits. The '4068' designation is likely a KEMET internal code referring to specific testing or manufacturing details.

Applications:

• Decoupling in digital circuits and microcontrollers
• Filtering in power supplies and DC-DC converters
• Bulk capacitance in embedded systems and portable devices
• General-purpose applications in industrial and commercial electronics
• Signal filtering in sensitive analog circuits

Features:

• Surface Mount Technology (SMT)
• Solid Tantalum Capacitor with MnO2 cathode
• Molded Case for enhanced protection
• RoHS Compliant, lead-free construction
• Stable electrical parameters over temperature and voltage
• Controlled ESR for specific applications

Benefits:

• Reduced board space due to compact size
• Provides stable and predictable performance
• Reliable operation in harsh environments
• Environmentally friendly due to RoHS compliance
• Long operational lifespan
• Controlled ESR enables optimized filtering and decoupling in sensitive circuits

Additional Details:

The T491C475M025AS4068 features a capacitance of 4.7µF with a tolerance of ±20%. It has a rated voltage of 25V DC and is designed to operate within a temperature range of -55°C to +125°C. The case size is Case C per EIA standard. The termination finish is typically matte tin. The controlled ESR version ensures minimal voltage ripple and noise in power supplies and other sensitive circuits. This component is particularly well-suited for applications demanding stable and efficient performance over a broad range of conditions.