M39003/01-2489/HSD

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Tantalum Capacitors – The M39003/01-2489/HSD Application Field and Working Principle

Tantalum capacitors are a type of electrolytic capacitors that are effectively two electrodes separated by an electrolyte. These capacitors are widely used in electronic circuits due to their ability to store electrical energy and release it when needed. The capacitor’s capacity is determined by its electrical resistance and its level of conductivity.

The M39003/01-2489/HSD is a surface mount type capacitor and is essentially two metalized electrodes separated by an electrolyte. The electrodes are encased in a glass-filled thermoset molded case, making them very durable and well suited to the requirements of miniaturized circuit designs. The capacitance range is 1 picofarad to a microfarad (“µF”). The voltage rating is 2.5 - 63 volts and the capacitance tolerance is plus or minus 20 percent.

Tantalum capacitors are especially suited for use in high-frequency applications, such as in the audio industry, because they have significantly lower ESL (effective series inductance) than most other types of capacitors. In addition, they have extremely low ESR (equivalent series resistance) and excellent dielectric absorption ratios (DAR). The large capacitance range, high voltage rating and excellent reliability of the M39003/01-2489/HSD make it ideally suited for an almost limitless range of applications in consumer, military and industrial electronics.

The working principle of these capacitors is based on the electro-chemical principles of accumulation and dissolution. When an electric current passes through the electrolyte, it causes the anode (positively charged) to give off electrons and become positively charged. This causes the electrolyte to become charged, creating a charged film on the surface of the anode. This film facilitates the accumulation of ions from the electrolyte, allowing the capacitor to store electrical charge.

The dissolving principle of the capacitor works when the capacitor is charged. High electric current causes the electrolyte to dissolve or precipitate from the electrodes, and this dissolving action reduces the concentration of ions on the electrode and neutralizes the electric charge. The total charge of the capacitor is then equal to the charge stored in the electrolyte and the anode.

Tantalum capacitors have a number of advantages over other types of capacitors. They possess superior stability and reliability, are relatively low cost, can operate at high temperatures, and require very little maintenance. The great selection of application-specific tantalum capacitors on the market today make them ideal for use in a variety of consumer and industrial applications.

The M39003/01-2489/HSD is a great example of a tantalum capacitor that is up to the demands of the most advanced applications. Its high voltage rating, large capacitance range, lower ESL, and high performance make it an excellent choice for product design in any industry that requires precision and reliability.

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