The T491D157K010AS is a surface-mount solid tantalum capacitor manufactured by KEMET. It is part of the T491 series, which are general-purpose industrial-grade capacitors known for their stable performance and reliability. This capacitor is designed for a wide range of applications where capacitance stability and long life are important.

Applications:

• Bypass and decoupling capacitors in power supplies
• Filtering in signal processing circuits
• Timing circuits
• General-purpose applications in industrial and consumer electronics
• DC-DC converters

Features:

• Capacitance: 150 μF
• Voltage Rating: 10 VDC
• Tolerance: ±10%
• ESR (Equivalent Series Resistance): Typically 1.2 Ohms at 100kHz
• Operating Temperature Range: -55°C to +125°C
• Surface Mount Device (SMD): Suitable for automated assembly.
• Molded Case: Provides robust protection for the tantalum element.
• RoHS Compliant: Environmentally friendly and compliant with RoHS directives.

Benefits:

• Stable Performance: Tantalum capacitors provide stable capacitance over a wide range of temperatures and frequencies.
• Long Life: Offers a long operational life, enhancing the reliability of electronic devices.
• Small Size: Provides high capacitance in a compact surface-mount package.
• Low ESR: Minimizes power losses and improves circuit performance.
• Reliable Operation: Suitable for demanding industrial and consumer applications.

Additional Details:

The T491D157K010AS is constructed using a sintered tantalum anode and a manganese dioxide cathode. It features a molded case for robust protection and is designed for surface mounting. The capacitor is available in tape and reel packaging for automated assembly. The ESR value of 1.2 Ohms at 100kHz contributes to its suitability for applications requiring low power dissipation and effective filtering. The capacitor's operating temperature range of -55°C to +125°C makes it suitable for use in harsh environments.