T491A335K025AT4280

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T491A335K025AT4280 tantalum capacitors are an extremely popular choice for high-reliability and surface mount device tasks, due to their high capacitance, low leakage, and long service lives. The T491A335K025AT4280 capacitors are a variation of the very popular, type B−31 tantalum capacitor. These capacitors have a temperature coefficient of ± 15ppm/°C, a dielectric absorption rate of 0.30 µC/V and an ESR at 120 Hz of 12.6 Ohms.

The T491A335K025AT4280 capacitors are often used in high-reliability, compact applications such as military/aerospace/automotive, computer/communications and consumer electronics. Aside from their use in high-reliability apps, these capacitors also have wide application in consumer electronics devices, such as digital cameras and cell phones, as well as in medical devices and instrumentation.

T491A335K025AT4280 capacitors are miniaturized electrolytic devices that function on the principle of electrolysis. An electrolytic capacitor consists of two main components: a metal foil anode, and a metal oxide film etched onto a very thin layer of metal foil cathode. An electrolyte liquid is used to complete the capacitor. The metal foil anode is etched into fine grids, which increases the surface area, and allows for a greater charge to flow through the device. The metal oxide film, which coats the cathode, aids in providing an insulating barrier between the surface of the device, and the metal foil anode.

When a voltage is applied to the device, the metal oxide film becomes an insulator, preventing any current from passing through it, while the electrolyte will supply electrons to the metal foil, allowing the current to flow. The capacitance is determined by the thickness of the metal oxide film, which is controlled by the design of the capacitor. This type of capacitor has a higher capacitance, but a smaller physical size than a standard electrolytic capacitor, making them extremely beneficial in applications where size is a major factor.

The T491A335K025AT4280 sens are a great choice for applications where a long-life and reliable, durable performance is needed. These capacitors can be used in a wide range of applications, from consumer electronics to medical devices, and have a long service life even in high-reliability, compact applications such as military/aerospace/automotive, computer/communications and consumer electronics.

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