M39003/01-2791/HSD

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M39003/01-2791/HSD Application Field and Working Principle

Tantalum capacitors are some of the most popular types of capacitors found today, which are widely used in a variety of electronics and electrical circuits. The M39003/01-2791/HSD is a long-lasting, reliable tantalum capacitor series. The types of parts belonging to this series have a few different characteristics which helps them stand out in the world of capacitors.

The M39003/01-2791/HSD series of capacitors is perfect for applications in markets such as avionics, automotive, energy, medical, military, and telecommunications.

The M39003/01-2791/HSD series of capacitors are solid, reliable and can be used in many temperature ranges dependent upon the part chosen. Generally, temperatures range from -55°C up to 125°C.

The series features Niobium capacitance and quad flat no lead (QFN) termination and polymer capacitor construction. This makes them perfect for several kinds of mounting types, including gull-wing-style solder mounting and press fit, with and without the use of an insulation sleeve.

Working Principle of Tantalum Capacitors

Tantalum capacitors (or “tantalum caps”) are electrolytic capacitors that use a special type of tantalum pentoxide ceramic as its dielectric. The use of tantalum as a dielectric allows the capacitor to store greater electrical charges than what is usually achievable with ceramic capacitors. This is especially true in smaller sizes, which make them ideal for portable electronics.

The working principle of tantalum capacitors involves two electrodes, one made of tantalum and the other of a dissimilar metal. An electrolytic solution is added between these electrodes, and when a voltage is applied across them, the electrolyte will react with the metal electrodes and form a thin electric field. This is what allows the capacitor to store electrical energy.

The current stored in the capacitor is proportional to the size of the electric field and is determined by the dielectric constant of the dielectric material used, as well as the amount of capacitance that is available. A tantalum capacitor will typically provide larger capacitance when compared to other types of capacitors, such as ceramic and film capacitors.

Tantalum capacitors are highly durable and reliable and are characterized by their high energy storage density, low failure rate, low noise levels, and high ripple current capability. These characteristics make them ideal for uses such as AC coupling, circuit decoupling, surge protection, current rectification, and frequency compensation among other uses.

The M39003/01-2791/HSD series of capacitors have a wide range of voltage and capacitance ratings and are tested to the latest specs including surge tests, humidity, and endurance testing. This ensures that the capacitors are highly reliable and long lasting, making them an excellent choice for applications where dependability and longevity are important.

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