Tantalum Capacitors

T491C157M006AT4860 is a standard polarized surface mount high voltage tantalum capacitor. It is used in a variety of applications such as switching power supplies, LED current regulation, DC/DC applications, voltage regulation circuits and in filtering and decoupling applications.

Tantalum capacitors are generally used as alternative to aluminium electrolytic capacitors. Tantalum offers better stability and reliability due to its superior design and construction. It has a higher capacitance for a given volume and size compared to aluminium electrolytic capacitors.

The working principle of a tantalum capacitor is based on the principle of electrochemical cell. When the polarity of a voltage source is applied across the capacitor, it creates an electric field. This electric field induces an electro-motive force which causes electrons to flow between the two electrodes, creating a capacitance.

The T491C157M006AT4860 has a capacitance of 15uF at 6V. Its dimensions are 8.6mm x 9.1mm, which makes it ideal for a wide range of applications. Its rated voltage is 6V, with an actual working voltage range of 3V to 7.2V. It has a ±20% tolerance and a maximum ESR of 27mΩ, with a maximum ripple current of 2400mA. It also has a maximum operating temperature of 125°C.

T491C157M006AT4860 can be used for power supply filters, signal noise suppression, signal line bypassing and general filtering applications. It can be used in a variety of applications such as:

• Switching power supplies
• LED current regulation
• DC/DC converters
• Voltage regulation circuits
• Filter and decoupling applications

T491C157M006AT4860 has a number of advantages over other types of capacitors. It has an excellent transient response, low equivalent series resistance (ESR) and high ripple current rating. It is also highly reliable due to its solid construction and compact size. Furthermore, it has very low self- heating, good temperature stability and long life expectancy.

T491C157M006AT4860 is a reliable and efficient capacitor for a wide range of applications. It is an ideal choice for designers and engineers looking for a cost effective and reliable solution for their power supply needs.