M39003/01-7205H

Tantalum Capacitors

Tantalum capacitors, also known as Ta caps, are capacitors that use tantalum metal for its anode. Tantalum capacitors are widely used in electronic circuits for decoupling, energy storage, and smoothing of voltage. They are particularly useful for applications which require a small form factor due to their low size and weight.

The M39003/01-7205H tantalum capacitor is an axial-leaded through-hole mounted type, which provides up to 1000 μF of electrical storage capacity in a single compact package. This type of capacitor offers improved storage and long life performance due to its extremely low ESR (Equivalent Series Resistance) characteristics. It is a cost-effective choice compared to traditional aluminum electrolytic capacitors, with its better load life characteristics and wider capacitance range.

Application Field

The M39003/01-7205H tantalum capacitor is versatile, and is well-suited for use in a wide variety of applications in the consumer electronics, automobile, aerospace and defense industries. One example of a suitable application is in automotive electronics, where its excellent performance in promoting starting of the engine is highly valued. It is an ideal choice for voltage suppression and noise bypass in high-stress environments such as electromagnetic interference (EMI) and signal filtering. In addition, the M39003/01-7205H capacitors are well-suited for the dc-dc converter design, where their low ESR characteristics make them an optimal choice for use in power supplies, power factor correction (PFC) as well as high-efficiency, crystal oscillator and sensor applications.

Working Principle

The M39003/01-7205H tantalum capacitor is a non-polar device, with two oxide dielectric layers forming a capacitance between the anode and the cathode. It uses a manganese dioxide system for the anode, and a niobium oxide dielectric layer for the cathode. This dielectric providing a low leakage current and a long working life. The capacitance is marked on the capacitor, and can be altered by the addition of a variable resistor. As the voltage changes, the anode and cathode charge and discharge electric charge, resulting in the production of a stable current.

The M39003/01-7205H tantalum capacitor also features a PolarSeal coating protecting the oxide layer from harsh environmental conditions such as humidity and moisture. This coating also ensures that the capacitor can be soldered safely at high temperatures, and provides a reliable insulation between the anode and cathode. In addition, its through-hole mounting of the device ensures improved mechanical stability, adding to its list of advanced features.

Conclusion

In conclusion, the M39003/01-7205H tantalum capacitor is a versatile, cost-effective choice which offers optimum performance in high-stress environments such as that found in the aerospace and defense industries. With its low ESR characteristics, small form factor, and long working life, it is an ideal choice for a wide range of applications, including automotive, consumer electronics, and dc-dc converter design. Its advanced features make it suitable for use in the most demanding circuits, and its PolarSeal coating further improves its reliability and performance.