M39003/03-2045

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Tantalum capacitors are an essential component of many different varieties of electronic circuitry. These electrolytic capacitors are particularly well-suited for high-frequency applications due to their low ESR (Equivalent Series Resistance) and low ESL (Equivalent Series Inductance). The M39003/03-2045 is an industry standard, small, cylindrical Type 2 tantalum capacitor from AVX Corporation. This surface-mount capacitor is an ideal choice for applications where board space is limited as it occupies only a fraction of the space taken up by large arrays or electrolytic capacitors.

The M39003/03-2045 is a non-polarized, axial-leaded tantalum capacitor constructed in two-piece epoxy molded form. It has a capacitance range of 1µF to 470µF and an operating temperature range of -55°C to +125°C. Its nominal case size is 3 mm x 5 mm x 2 mm. It is available in a variety of standard values that can be used to support a variety of current handling requirements. It is designed for general purpose high-frequency applications in consumer electronics such as TVs, radios, gaming systems, and portable audio players.

The M39003/03-2045 utilizes a manganese dioxide (MnO₂) electrolyte and is constructed with a tantalum anode and a metal oxide cathode. When charged, the tantalum anode forms a thin, conductive oxide layer that acts as a dielectric between it and the metal oxide cathode. This oxide layer possesses relatively high dielectric constant and is relatively insensitive to temperature, allowing the capacitor to remain stable over a wide range of temperatures. The capacitance value is determined by the amount of surface area of the anode and cathode. The capacitor’s outer case is made from a non-corrosive plastic that prevents electrolyte from leaking out and also provides mechanical and environmental protection.

The M39003/03-2045 has a wide range of applications including power management, pulse power, intermediate voltage filtering, and high accuracy signal coupling. It can be used for power supply decoupling, audio frequency coupling/decoupling, filtering, and sampling. Additionally, it can also be used in frequency modulation applications where a stable AC voltage is needed to set the center frequency of the modulator. The wide capacitance range makes it suitable for high-frequency, low-power applications such as RF, microwave, and signal conditioning, as well as high-power applications such as motor drives and power factor correction.

In summary, the M39003/03-2045 is an industry standard Type 2 tantalum capacitor from AVX Corporation. It offers excellent performance with low ESR and low ESL, making it an ideal choice for a variety applications such as power management, decoupling, and filtering applications. It is a surface-mount capacitor that is designed to conserve board space and features a wide temperature range and capacitance range. It is constructed with a tantalum anode and a metal oxide cathode and is encased in a non-corrosive plastic to protect from environmental factors.

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