T491E477M006AT

Tantalum Capacitors

T491E477M006AT capacitors are part of the tantalum capacitor family and give users a variety of advantages over other capacitor types, particularly when it comes to values.The design of these capacitors consists of two electrodes and an electrolyte. The anode is made from sintered tantalum powder commonly coated in Niobium, the cathode is a porous form of conductive material such as manganese dioxide, and the electrolyte is generally a solid organic polymer material.

T491E477M006AT capacitors are often preferred for their low equivalent series resistance (ESR) and high capacitance values. A lower ESR provides a higher peak current rating. Moreover, depending on their construction, tantalum capacitors can offer a much higher capacitance-voltage (CV) value than other types. However, tantalum capacitors do have some limitations when it comes to operating temperature and electrolytic solutions.

Application Field

T491E477M006AT capacitors are highly versatile and used in a variety of power management, filtering, and signal conditioning applications. The various ratings available make these capacitors useful for a variety of applications ranging from portable medical devices and consumer electronics, to aerospace and military applications.In particular, T491E477M006AT capacitors are often used in timing, analog and radio frequency (RF) application circuits.

Working Principle

Tantalum capacitors are polarized capacitors, meaning that they are constructed with a positive and a negative electrode and must be applied with the correct polarity. The positive electrode is the anode, and the negative electrode is the cathode.The working operation of T491E477M006AT capacitors is similar to that of other capacitor types. When a voltage is applied across the electrodes, the anode accumulates a negative charge owing to free electrons, while the cathode accumulates a positive charge due to the holes. This creates an electric field between the two electrodes known as the electric capacitance.The amount of capacitance depends on the amount of charge stored and the physical and chemical characteristics of the capacitor.

Conclusion

T491E477M006AT capacitors are a reliable and efficient choice for a variety applications such as power management, signal conditioning, and timing functions. With their low equivalent series resistance, and high capacitance values, tantalum capacitors are a great choice when performance is key.