The TPSC475K025R0450 is a TPSC series tantalum capacitor manufactured by AVX Corporation. It's a surface-mount solid electrolytic capacitor designed for various applications requiring stable capacitance, low ESR (Equivalent Series Resistance), and volumetric efficiency.

Applications:

• Power management circuits in portable devices
• DC-DC converters
• Bypass and decoupling applications in digital circuits
• Filtering in power supplies
• General-purpose use in electronic circuits requiring stable capacitance over temperature and frequency

Features:

• Case Code: C
• Capacitance: 4.7µF
• Voltage Rating: 25V DC
• Tolerance: ±10%
• ESR: 0.45 Ohms
• Operating Temperature Range: -55°C to +125°C
• Termination Style: Surface Mount
• RoHS compliant

Benefits:

• Stable capacitance over a wide temperature range
• Low ESR for reduced power dissipation and improved circuit performance
• Small size for high-density circuit board layouts
• High ripple current capability
• Long operational life
• Excellent frequency characteristics

Additional Details:

The TPSC series from AVX are known for their robust construction and high reliability. The tantalum capacitor technology provides a stable and predictable performance, making them suitable for demanding applications. The 4.7µF capacitance is commonly used for decoupling and filtering in various electronic circuits, and the 25V voltage rating provides a sufficient safety margin for many power rails. The 0.45 Ohm ESR is crucial for minimizing losses and maintaining signal integrity. The surface mount design allows for automated assembly, reducing manufacturing costs.

Specifically, the 'R0450' within the part number signifies a specific ESR value (0.45 Ohms), indicating a low ESR capacitor suitable for applications sensitive to power loss or ripple. The capacitance tolerance of ±10% ensures that the capacitor's actual capacitance falls within a specified range, maintaining the designed circuit performance. This capacitor is widely used in various electronic devices and systems that demand reliable performance.