M39003/09-2054/TR

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Tantalum capacitors offer long operational lifetime, low leakage current, small size, and high capacitance when compared to other capacitor technologies. The M39003/09-2054/TR is a tantalum electrolytic capacitor that fits into MIL-PRF-39003 specifications. This component has dimensions of 10.7 (D) × 22.1 (L) mm with a lead spacing of 7.5 mm. It has a rated capacitance of 4.7µF and a temperature range of −55°C to +125°C. It also features an operating voltage of 6.3V, a rated ripple current of 18mA, a maximum resistance of 0.02Ω, and a dielectric strength of 4.0KV.

The construction of a M39003/09-2054/TR includes a system of positive and negative electrodes immersed in an electrolyte material. The positive electrode is made of a tantalum anode while the negative electrode is made from carbon. The positive and negative electrodes are separated by a semi-permeable dielectric material known as di-electric oxide, which is produced by forming a thin film of tantalum pentoxide on a thin tantalum plate. The dielectric is then charged with an electric potential, creating an electric field, drawing and displacing electrons within the field.

The working principle of the M39003/09-2054/TR is based on the ability of the dielectric oxide to store an electric charge. When current is applied, the electrolyte material allows the flow of electrons in order to both fill and release the stored charge. The movement of the electrons through the electrolyte causes the potential difference between the electrodes to change, establishing an electric field in the dielectric material. As the electric field is created, it stores the charge until it is released when the current is removed.

The main use of the M39003/09-2054/TR is for applications that require a wide capacitance range with low leakage current, such as power supplies, timing circuits, clocks, electrical noise suppression, and control applications. It can also be used for filtering, energy storage, and signal maintenance in possible harsh environmental conditions where regular ceramic capacitors would not be suitable. As such, the M39003/09-2054/TR makes a robust choice for these kinds of applications, offering reliability and longevity.

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