F971C155MAAHT3 Capacitors

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Tantalum capacitors, also known as electrolytic capacitors, are a type of electrical component used for smoothing voltage changes and storing electrical charge. The F971C155MAAHT3 is a surface-mount tantalum capacitor featuring true capacitance ratings from 22μF to 330μF, a wide -55°C to +125°C temperature range, and excellent ripple current capability. This capacitor is designed to meet surface mounting requirements of modern electronic applications. Let’s take a look at the application field and working principle of this tantalum capacitor.

Application Field

The F971C155MAAHT3 offers performance benefits over other types of capacitors in a number of applications:

• Computer motherboards supporting graphics cards and CPU.
• Power supplies for electronics and audio/visual equipment.
• DC-AC converters & power on-off circuits.
• Noise suppression & signal coupling.
• Gating and signal delay timing.

It is also used in combination with other components such as resistors, inductors, and transistors to create specialized circuits or filters. It is suitable for use in automotive electronic circuits, since it can withstand temperatures as low as -55°C and as high as 125°C.

Working Principle

The F971C155MAAHT3 is capacitor, made from a combination of tantalum and ceramic. Its construction is more complex than other types of capacitors and therefore it offers higher performance features. It is made from a tantalum pentoxide and a ceramic dielectric material, which provide it with a high capacitance-to-volume ratio. This capacitor takes advantage of its physical properties to achieve better capacitance values and more efficient electrical conduction.

Tantalum capacitors are polarized components. This means that the anode and cathode terminals of the capacitor must be connected in the correct direction. The anode is the positive terminal, while the cathode is the negative terminal. The reason for this is that the electrolyte material used in the capacitor’s construction is prone to decomposition when a voltage higher than the rated voltage is applied.

The F971C155MAAHT3 has a low ESR (equivalent series resistance) and a large temperature coefficient, which provides it with better operating stability as well as high ripple current capability. It also has a higher capacitance-to-volume ratio than other capacitors, which allows it to store larger amounts of electrical charge and filter out noise more efficiently.

To sum up, the F971C155MAAHT3 is a surface-mount tantalum capacitor designed for modern electronics. It has an extended temperature range of -55°C to +125°C, true capacitance ratings from 22μF to 330μF, and low ESR for excellent ripple current capability. Its application fields are mainly in computer motherboards, power supplies, DC-AC converters, noise suppression, and gating and signal delay timing. Thanks to its construction and physical properties, this capacitor provides superior performance and reliability over other types of capacitors.

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