M39003/01-6158H

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Tantalum capacitors, commonly known as TaCap, are electrochemical capacitors with a tantalum cathode and an anode made of a porous carbon-silicon mixture. Compared to film capacitors, TaCap offers higher capacitance and lower ESR in small packages. M39003/01-6158H is an example of a TaCap with a long standing of reliability in demanding military and aerospace applications. It is constructed by a cylindrical case composed of epoxy resin, tantalum anode, manganese dioxide cathode, and an aggressive electrolyte.

The capacitance of the M39003/01-6158H ranges from 10uF to 390uF, with a wide tolerance of +20% -80%. It offers a wide range of capacitance and capacitance stability in a variety of environmental conditions, such as temperatures from -55° c up to +125° c, and across a wide range of electrical fields up to 1000V. The high dielectric constant of TaCap also means it has a higher voltage rating for a given physical size than other capacitor types.

One of the main advantages of M39003/01-6158H over other capacitor types is its low ESR (equivalent series resistance). The ESR is a measure of the resistance of a capacitor element and is closely related to the capacitance of the capacitor. A low ESR means that the capacitor elements will not suffer from internal power dissipation as quickly as higher ESR capacitors, allowing the capacitor to last longer and providing it greater reliability and stability.

As for working principle, M39003/01-6158H works in an electrochemical manner rather than a mechanical one. The electrical signal to be stored in the capacitor is applied to the tantalum anode in the capacitor. This negative charge attracts positive ions from the electrolyte and creates an electrical field that stores the charge. The capacitor can then release the stored energy when a signal is applied in the opposite direction.

M39003/01-6158H is an example of a TaCap suitable for use in military and aerospace applications where high performance capacitors are needed. The combination of high capacitance, low ESR and high dielectric constant make it a desirable choice for these demanding applications, where reliability and accurate performance are crucial. The high voltage and temperature rating also make it suitable for use in a wide range of applications, from consumer electronics to automotive and aerospace systems.

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