T591V227M2R5ATE009 Capacitors

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Introduction to Tantalum – Polymer Capacitors

Tantalum-polymer capacitors are a type of electrolytic capacitor characterized by their compact size, high capacitance, and long operating life. They are ideal for applications where space and low ESR (Equivalent Series Resistance) are a key requirement. A tantalum/polymer capacitor combines the advantages of both types of technology: the high capacitance and very low ESR of Tantalum capacitors, and the low cost and low parasitic inductance of polymer capacitors.

T591V227M2R5ATE009 Application Field and Working Principle

The T591V227M2R5ATE009 tantalum-polymer capacitor is a surface-mount capacitor for use in telecommunications, medical, automotive and other high-reliability applications. Its low profile and small size make it suitable for use in high density systems where board space is limited. The device features a lead free nickel barrier finish, and the parts are RoHS compliant.

Tantalum-polymer capacitors are composed of two parts: a sandwich of two capacitors, an anode and a cathode. A polymer layer, usually an acrylic or polyolefin, separates the two, providing insulation. A dielectric material, usually ceramic or polystyrene film, is then coated with a conductive material on either side. This allows electrons to flow through the capacitors in both directions, and the capacitor stores energy.

The T591V227M2R5ATE009 capacitor is a surface-mount capacitor with a 25V rated operating voltage, a 2.2uF capacitance, and a 5mm x 5mm x 2mm package. It operates over a temperature range of -55°C to 125°C, and has an ESR rating of 5mΩ. The device has a low leakage current, and a long operating life.

The T591V227M2R5ATE009 tantalum-polymer capacitor is an ideal choice for high temperature, low profile applications such as telecommunications, medical, automotive and other high-reliability applications. It is also suitable for use in consumer electronics, portable media players, and other consumer-type applications. The small size and high capacitance make it an ideal choice for applications where space and low ESR are key requirements.

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