M39003/01-2734H Capacitors

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Tantalum capacitors are a distinctive class of electrolytic capacitors. A tantalum capacitor features a tantalum anode, which is surrounded by an electrolyte of aqueous and organic solvent based liquid or solid manganese dioxide. The anode is encased in a layer of ultrathin insulating oxide. Its unique construction ensures that a tantalum capacitor is capable of high capacitance relative to its small size and low ESR—which makes it ideal for a wide variety of applications, including automotive, military, aerospace, and industrial.

The M39003/01-2734H is a conformally coated, wire wound, miniature tantalum capacitor rated for 10.0 to 24.0 µF. It is designed for use in applications requiring high reliability, such as in military, medical, automotive and industrial applications. With low minimum capacitance values, it is well suited for filtering, resonant tuning, and low power, low impedance reserves.

The operating principle of a tantalum capacitor involves applying a positive voltage to the anode, which then attracts electrons and ions from the electrolyte solution to form an electrical double layer on the anode surface. This double layer provides the capacitive effect, which allows the capacitor to store energy. When the voltage is removed, the capacitance decreases and most of the ions are then returned to the electrolyte.

The M39003/01-2734H is ideal for a range of applications, including timing, filtering, resonant tuning, coupling, and by-passing. It is typically used for high-temperature and high-reliability applications, such as aerospace, automotive, medical, military, and industrial. Its conformal coating provides improved humidity and temperature stability, and makes it highly resistant to corrosion, humidity, vibration, and shock.

The M39003/01-2734H features a dissipation factor (DF) of 0.7% max at 1kHz, voltage rating (VR) of 6.3V dc max, and ripple current rating (IL) of 62mA max. It also has an insulation resistance (IR) greater than 1,000 megohms min and a temperature range of -55°C to +125°C.

The M39003/01-2734H is an ideal application for very low impedance requirements while keeping a small footprint. With its low minimum capacitance values and low ESR, it is well-suited for a range of filter and timing applications. The conformal coating also makes it highly-resistant to external environmental conditions such as vibration, humidity, shock, and temperature cycling. All in all, these characteristics make the M39003/01-2734H an excellent choice for military, medical, automotive, and industrial applications.

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