T491C685M035AT4280

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are miniature electrolytic capacitors developed in the 1950s and 1960s. They are made of a tantalum anode plate covered with an oxide film, and the cathode is typically a graphite or metal oxide layer and a metal casing.

T491C685M035AT4280, as one of the most popular tantalum capacitors, has a variety of applications, mainly due to its characteristics such as high capacitance-voltage ratio, low equivalent series resistance (ESR) and long-term stability.

In general, T491C685M035AT4280 is widely used in products ranging from consumer/industrial electronics to military & aerospace applications.

For consumer electronics and commercial applications, T491C685M035AT4280 is commonly used in power supplies and audio equipment. Capacitors with very low ESR are able to absorb large surges of current, reducing the possibility of inrush current and overvoltage damage to components.

In addition, T491C685M035AT4280 can also be used in sensitive analog circuits, such as audio amplifiers and oscillators, because of its high capacitance-voltage ratio and low ESR. The capacitor can filter out high-frequency noises, preventing them from entering the analog circuit and introducing distortion.

For military & aerospace applications, T491C685M035AT4280 is able to withstand extreme temperatures and is vibration resistant. This makes the capacitor suitable for applications in harsh environments. In addition, due to its superior stability and excellent frequency characteristics, T491C685M035AT4280 can be used in power supplies, oscillators and phase locked loops in mission-critical electronics.

In terms of working principle, T491C685M035AT4280 is an electrolytic capacitor with electrical energy stored in the form of an electrostatic field on the anode. This capacitor consists of an anode, an oxide film, a cathode and an electrolyte. When voltage is applied, a current is generated and the electrolyte is transformed into a conductive state. This facilitates the exchange of ions between the electrode and the electrolyte, resulting in the buildup of electrical charge.

The applied voltage also determines the charge flow between the anode and the cathode of the capacitor. By altering the applied voltage, it is possible to adjust the capacitance of the device. This process is referred to as voltage-dependent capacitance.

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