T491A155K020AT Capacitors

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Tantalum capacitors have been used in electronics circuits since the 1960s. They are used in a wide variety of applications, including audio, automotive, computer and high frequency circuits, and in many other electronic devices. The T491A155K020AT capacitor is one of the most common types of tantalum capacitors used for high-voltage applications. This type of capacitor is known for its excellent performance and reliability.

The T491A155K020AT is a molded, solid-tantalum capacitor, with an aqueous-based electrolyte. It has a capacitance of 15 µF, a working voltage of 4 V to 16 V, an internal series resistance of 2 ohms, and a maximum operating temperature rating of 85°C. The dimensions of the capacitor are 5mm in diameter and 20mm in length, with a rated working temperature range of -55°C to +85°C.

The T491A155K020AT capacitor consists of two electrodes – the anode and the cathode – which are separated by a dielectric layer. This dielectric is usually a ceramic or polymer film; for the T491A155K020AT, the dielectric is a tantalum pentoxide layer. When a voltage is applied across the capacitor’s two electrodes, an electric field builds up across the dielectric. This electric field stores energy as electrical charge on the capacitor’s plates, creating a form of energy storage in the capacitor.

The T491A155K020AT can be used in a wide variety of applications, including high frequency circuits, power supply filtering, and signal coupling. It is widely used in automobiles, computer systems, and other high-voltage applications. It is particularly well suited for applications that require low-ripple, high-efficiency power conversion.

The T491A155K020AT capacitor is a highly reliable and efficient device, with a long service life and high stability. It is also relatively inexpensive and takes up very little space, making it an ideal choice for many applications. Thanks to its high reliability and excellent performance, the T491A155K020AT has become one of the most widely used tantalum capacitors in the electronics industry.

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