2R5TPU47MSI

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2R5TPU47MSI Application Field and Working Principle

Tantalum-polymer capacitors are becoming one of the most popular surface-mount capacitor components used in power management and related applications. Such capacitors often bear the designation 2R5TPU47MSI, which stands for two rectangular terminals and five terminal numbering code, with physical dimensions of 4.7 mm and a 0.3 mm terminal space.

2R5TPU47MSI capacitors are generally used for bypass, filtering and in high frequency circuits to reduce the voltage regulation. This gives them multiple application fields, such as power electronics, communications, computer, information and control systems, automotive electronics and medical equipment. The device also comes in numerous other sizes and types, so it can fit and function in virtually any environment.

2R5TPU47MSI capacitor’s principle works similar to that of traditional electrolytic capacitors and has lower effective impdance, making them considerably more efficient. Their capacitance rating is determined by their physical size and the nature of the dielectric material they are made of, typically ranging from 10μF to 1000μF at 6.3V to 15V DC, respectively.

The main difference between a 2R5TPU47MSI capacitor and other similar capacitors lies in the dielectric layer. Instead of a standard electrolyte, the dielectric layer is composed of conductive polymer sheets, extruded and constructed in an organic and organic/inorganic material sandwich-type construction. This material combination provides high stability, low ESR (effective series resistance), and outstanding temperature performance, with reduced potential for shorting.

2R5TPU47MSI capacitors offer excellent physical and electrical characteristics, including a wide operating temperature range (from -55°C to 105°C), a high ripple current capacity, and tight capacitance tolerances (+/-10% or better). They also feature high capacitance density and low temperature drift, with an additional capability to self-heal by operating at high temperatures.

Combined with their excellent thermal and acoustic properties, 2R5TPU47MSI capacitors have become increasingly popular in many applications, including power conditioning, high-speed power regulation, computer UPS, automotive, and medical device applications. They are also capable of providing high capacitance values while taking up very little physical space on a printed circuit board.

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