M39003/03-3059/TR

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Tantalum Capacitors: M39003/03-3059/TR Application Field and Working Principle

Tantalum capacitors are a type of capacitor that offer many benefits over other types of capacitors such as aluminum electrolytic capacitors and paper-in-oil capacitors. They provide higher capacitance in a much smaller size than traditional capacitor types, making them ideal for use in circuit designs.

Tantalum capacitors are typically termed "wet tantalum capacitors" because of the use of a gel electrolyte to fill the spaced between two poles. Because of the increased capacitance and reduced form factor, tantalum capacitors are most often used when space is at a premium or when the higher capacitance is required.

The M39003/03-3059/TR is a tantalum capacitor made by TDK-Lambda specifically for use in military/industrial and aerospace applications. This capacitor is a surface-mount device and is characterized by a quick high temperature endurance, high capacitance and reliability. Its characteristics and design specifications have been drafted to meet the MIL-PRF-39003 specifications for radial leaded wet tantalum capacitors. The M39003/03-3059/TR boasts a capacitance of 5.85µF and has a temperature coefficient of -12% over the range of -55°C to +125°C.

The operating principle of a wet tantalum capacitor is similar to a traditional aluminum electrolytic capacitor. Electrolytes are used to fill the gap between two closely spaced electrodes which are made from foil. A conductive gel, typically manganese dioxide or tantalum pentoxide, acts as the electrolyte. An electrical charge is applied between the electrodes, causing the electrolyte to produce a Faraday shield inside the capacitor. This shield creates a strong electrostatic field that acts to polarize the electrolyte and thus increase the capacitance.

The M39003/03-3059/TR is a radial leaded wet tantalum capacitor that is characterized by excellent stability over a wide temperature range. It features a high dielectric strength and low series resistance, making it ideal for military/industrial and aerospace applications. Its capacitance is 5.85µF, with a temperature coefficient of -12%. Moreover, its operating temperature range is from -55°C to +125°C. This capacitor can be used in circuit designs where space is at a premium and/or where high capacitance is required.

In conclusion, the M39003/03-3059/TR is a wet tantalum capacitor designed by TDK-Lambda specifically for military/industrial and aerospace applications. This capacitor features a high capacitance of 5.85µF and a temperature coefficient of -12%, with an operable temperature range of -55°C to +125°C. Its operating principle is similar to an aluminum electrolytic capacitor, where an electrolyte is used to fill the gap between the two closely spaced electrodes. These characteristics make the M39003/03-3059/TR an ideal choice for circuit designs where space is at a premium and/or where high capacitance is required.

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