M39006/21-0129

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Tantalum capacitors are a type of capacitor that utilizes a tantalum metal for anode construction. Capacitance is formed using a dielectric oxide layer on the surface of the tantalum anode. The electrolyte forms a conductive connection between the anode and cathode. They are available in a wide range of shapes, sizes, and capacities.

The M39006/21-0129 is a cylindrical type of tantalum capacitor with temperature coefficient code of -85ppm/°C. It is typically used in military and defense applications due to its radiation stability, stability in severe environments and operating temperatures from -55°C to +125°C. They are also used in telecoms, aerospace, and automotive systems.

In terms of construction, the M39006/21-0129 tantalum capacitors are composed of a tantalum pellet anode, a hermetic seal, and a tin plated copper lead frame. The anode is made up of foil capacitor electrode, sintered tantalum powder, and various protective coatings while the dielectric consists of manganese dioxide and organic fiber material. The main components of the hermetic seal are a ceramic to metal seal, a vitreous steel housing, and non-magnetic terminal.

The working principle of M39006/21-0129 tantalum capacitors is based on an electrostatic storing method. When a voltage is applied to a capacitor, a charge will be produced on the plates and a charge separated area will be created inside the capacitor. This charge separation will establish an electric field between the anode and the cathode. The electric field will cause current flow within the capacitor dielectric and electrolyte, resulting in charges being stored. Due to its low equivalent series resistance, the M39006/21-0129 capacitors can handle higher ripple current than most other tantalum capacitors.

M39006/21-0129 tantalum capacitors offer several advantages over other capacitor types. They are highly reliable, and offer good frequency characteristics, low leakage current, and good electrical insulation performance. Additionally, they can withstand extremely high temperatures (up to 125°C) and are not affected by vibration. This makes them well suited for use in military, aerospace, and automotive applications.

In conclusion, M39006/21-0129 tantalum capacitors are a reliable and robust component used for a variety of applications. Their working principle is based on an electrostatic storing method. These capacitors are highly reliable and offer good frequency characteristics, low leakage current, and good electrical insulation performance. They are also extremely resilient to high temperatures and vibration, making them a great choice for military, aerospace, and automotive applications.

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