M39006/22-0505

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Tantalum capacitors, often simply referred to as tantalums, are double layers of molybdenum sheets with an anode and a cathode between them. The anode is typically made from a material such as tantalum oxide, which is etched with a desired compensation effect (i.e. capacitance) that affects the operation of the capacitor. The cathode is typically made of a material such as silver, gold, or palladium, which is also etched with a desired compensation effect that affects the operation of the capacitor.

M39006/22-0505 is a type of tantalum capacitor that features a polymer based anode, a cathode made from Niobium Oxide (NiO) and an etched layer of titanium dioxide (TiO2). The anode is compensated to achieve the desired amount of capacitance (e.g. 0.5µF). The cathode is compensated with a desired compensation effect, resulting in a larger equivalent series resistor (ESR). This design variation of tantalum capacitors offers advantages such as high temperature and voltage stability and low leakage current.

Tantalum capacitors can be used in a variety of applications, ranging from personal electronics to industrial automation. The primary application for the M39006/22-0505 is in the aerospace and defense industries, where the capacitor is used for signal filtering and the suppression of RF noise caused by nearby motors and other electronic components. The M39006/22-0505 is also used in commercial activities, such as medical imaging and telecommunication devices.

The working principle of the M39006/22-0505 is based on the relationship between the anode and cathode impedances. When an AC signal is applied to the capacitor, the anode and cathode produce an impedance opposition, resulting in a decrease or increase of the current. This phenomenon is known as impedance linearization, which adjusts the current according to the magnitude of the AC signal. The capacitor also functions as a high-pass filter, which blocks low-frequency signals and enables only high-frequency signals to pass through.

In terms of performance, the M39006/22-0505 exhibits a very high ESR of 155mΩ @ 25°C, making it the ideal choice for applications requiring ESR greater than 150mΩ. It also offers excellent frequency characteristics, allowing it to serve as a wideband filter. It has a temperature coefficient of capacitance (TCC) of -30%, which ensures that the capacitance remains stable over a wide range of temperatures. Additionally, the capacitor has an operational voltage of 6.3V and a maximum voltage of 10V, making it well-suited for applications in the aerospace and defense industry.

The M39006/22-0505 is a safe and reliable capacitor, designed to meet the stringent requirements of the aerospace and defense industry. It is particularly well-suited for applications requiring high ESR, superior frequency characteristics and high voltage and temperature stability. The capacitor is also smaller than standard tantalum capacitors, making it suitable for space-constrained applications.

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