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Tantalum Capacitors

Tantalum capacitors are small, surface mount, polarized capacitors often used as bypass, decoupling, and filtering capacitors in electronic circuitry. Using tantalum oxide and a sintered anode as the dielectric, tantalum capacitors can offer superior performance here traditional ceramic capacitors can’t. There are two major types of tantalum capacitors, electrolytic and solid. The 595D687X9004D2T falls into the solid tantalum capacitor category, and it offers superb performance and low ESR with ultra small case sizes.

Application Field of 595D687X9004D2T

The 595D687X9004D2T is a small case size, SMT capacitor with enhanced CV characteristics and an ESR of just 5-20mΩ at 100Khz. This makes it ideal for use in high frequency, RF applications where higher capacitance values might cause instability and parasitic oscillation. In addition, it is an excellent choice for applications with space constraints or when computing power is critical. These include miniaturized computing systems, power management systems, mobile devices and game console electronics.

Working Principle of 595D687X9004D2T

The 595D687X9004D2T utilizes a sintered tantalum anode, and a tantalum pentoxide dielectric to create a highly reliable, low ESR capacitor. Because of the high dielectric constant of tantalum pentoxide (K=25), the 595D687X9004D2T has excellent high temperature stability and high capacitance values. Additionally, the 595D687X9004D2T is manufactured without a wetting agent, meaning that no volatile electrolyte is present to de-stabilize the device. As a result, the 595D687X9004D2T is highly resistant to shock, vibration and temperature change, as well as highly reliable in hostile environments.

The 595D687X9004D2T capacitor utilizes a molded, plastic case with a distinctive four lead configuration, with the leads soldered directly on the footings. During mounting, the leads should be slightly bent at the far ends, to ensure enough surface contact. Additionally, it should be remembered that tantalum capacitors should never be bent close to the case or leads, as this can cause the dielectric to break. The 595D687X9004D2T should also be absolutely free of dirt, dust, and other impurities during mounting, in order to ensure optimum performance.

In conclusion, the 595D687X9004D2T is a highly reliable, low-ESR solid tantalum capacitor that can offer enhanced CV characteristics and high temperature stability in applications where space is at a premium. With its distinctive four lead configuration and a remarkable ability to withstand shock and vibration, this capacitor can be an ideal choice for compact portable electronics and other demanding applications.

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