TPSE477M006R0045 Capacitors

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Tantalum capacitors are a type of electrolytic capacitor, which are widely used in many electronic devices. The TPSE477M006R0045 is one such capacitor designed by Kemet Corporation to provide high reliability and long shelf-life over a wide temperature range. This capacitor is suitable for use in automotive, automotive systems, and military applications, as well as other areas where high temperature, high vibration and harsh environments are present.

The structure of the TPSE477M006R0045 consists of a metalized shield substrate and a metal powder coating for electrical insulation, a tantalum anode, a negative metal layer, a conductive tantalum oxide dielectric, and a tantalum cathode. The capacitance of the TPSE477M006R0045 is rated at 4.7 µF, with a working voltage of 6 volts and a temperature range from -55°C to +125°C. It has an ESR rating of 0.0045 Ohms, a maximum leakage current rating of 4.9 mA, and a dissipation factor of 0.1%.

The working principle behind the TPSE477M006R0045 is the same as other electrolytic capacitors. In the simplest terms, it works by storing electrical energy between two opposed electrodes. In more detail, when a voltage is applied to the two electrodes, the oxide layer containing the electrolytic gives the capacitor its capacitance. It allows the capacitor to store the energy from the applied voltage and release it again when the voltage is taken away. This process is perpetually reversible, meaning the capacitor can be charged up again and again.

The construction of the TPSE477M006R0045 provides an enhanced long term reliability and performance. The conductive tantalum oxide dielectric layer gives it a remarkably high dielectric strength, allowing the capacitor to last longer and handle higher temperatures. The conductive layer also minimizes the leakage current to a minimum, which increases the performance and life expectancy of the part. Lastly, the metal shielding layer helps to reduce EMI interference and increases the capacitor’s reliability in applications with high levels of vibration.

The specific features of the TPSE477M006R0045 make it a suitable choice for many designs, particularly applications which require high temperature operation, high vibration, or EMI immunity. With its rated capacitance, working voltage, temperature range, ESR rating, maximum leakage current rating and dissipation factor, this capacitor is suitable for use in automotive, automotive systems, military, and other applications where harsh environmental conditions are present.

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