2R5TPE220MIB

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Tantalum - Polymer Capacitors are one of the most popular components in electrical and electronic circuit design. Their popularity stems from the high capacitance they can offer, along with their robustness and low self-inductance. The 2R5TPE220MIB capacitor is a tantalum - polymer capacitor with a range of benefits that make it well-suited to many applications. This article will discuss the application field and working principle of the 2R5TPE220MIB capacitor.

Features of 2R5TPE220MIB Capacitor

The 2R5TPE220MIB capacitor is a two-layer polymer tantalum capacitor with a rated voltage of 2.5V, a capacitance tolerance of ±20%, and an operating temperature range from -55°C to +125°C. The capacitor has a SMD package size of 2.0x1.6mm and leads with 0.2/0.4mm pitch. The component has a long-term reliability of 500 hours at 85°C, and an endurance of 5000 hours at +125°C. The component also has RoHS certification.

Applications of the 2R5TPE220MIB Capacitor

Given its robust construction and long-term reliability, the 2R5TPE220MIB capacitor is suitable for a range of demanding applications in electrical and electronic circuit design. Examples include automotive electronics, telecoms systems, medical electronics, power supplies, and low frequency filtering. The capacitor is also commonly used in audio equipment, such as radios, amplifiers, and speakers. The component can also be effectively used in high temperature environments, such as those found in aircraft and spacecraft. Its small package size and low profile make it well-suited to space-constrained applications.

Working Principle of the 2R5TPE220MIB Capacitor

The 2R5TPE220MIB capacitor works in a similar way to traditional electrolytic capacitors. It consists of two metal plates that are separated by a dielectric material. This can be either a non-conductive polymer film or a ceramic material. When a potential difference is applied across the device, the positively charged ions in the dielectric experience a force which attracts them to one of the two electrodes. This creates a charge separation, resulting in a buildup of an electric field in the dielectric material. This is what accounts for the capacitance of the device.

The main difference between the operation of the 2R5TPE220MIB capacitor and traditional electrolytic capacitors is the construction of the dielectric material. In the 2R5TPE220MIB capacitor, the dielectric material is formed of multiple layers, each of which is made up of a different material. This allows the capacitor to offer better performance, with greater stability and lower impedance.

Conclusion

The 2R5TPE220MIB capacitor is a two-layer polymer tantalum capacitor with excellent performance characteristics that make it well-suited to a wide range of applications. It offers a rated voltage of 2.5V, a capacitance tolerance of ±20%, and an operating temperature range from -55°C to +125°C. The component has a long-term reliability of 500 hours at 85°C, and an endurance of 5000 hours at +125°C. It can be effectively used in automotive electronics, telecoms systems, medical electronics, power supplies, and low frequency filtering, as well as audio equipment, aircraft, and spacecraft. Its working principle involves the accumulation of charge separation in the layers of the dielectric material, allowing the capacitor to create an electric field, resulting in its high capacitance levels.

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