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Tantalum Capacitors

135D566X9125K6 application field and working principle

Tantalum capacitors are an extremely important piece of technology when it comes to electronic and electrical engineering. The specific part name 135D566X9125K6 denotes a certain type of tantalum capacitor, referred to as the 135D series. This type of capacitor is known for its small size, high energy storage capabilities, low leakage, and low cost. In this article, we will go through the application field and working principle for the 135D series of tantalum capacitors, as well as its advantages and disadvantages.

Application Field

The 135D series is primarily used in applications where small size and high energy storage capacity is required. This would include any type of circuit with a large number of capacitors, such as a power supply or multi-stage amplifier. Additionally, the small size of this type of capacitor makes it suitable for use in portable electronics, such as computers, phones, or other portable devices. Due to its high reliability, it is also often used in medical applications, such as pacemakers or defibrillators.

Working Principle

The working principle of a tantalum capacitor is quite simple. The two electrodes of the capacitor are separated by an oxide film, which acts as a dielectric. When a voltage is applied across the two electrodes, the oxide film stores charge by accumulating electrons from one electrode and depositing them onto the other. This process creates a static electric field between the two electrodes, which stores energy until the voltage across the electrodes is removed.

Advantages

The main advantages of the 135D series of tantalum capacitors are its small size, high energy storage capacity, low leakage, and low cost. The small size of the 135D series allows it to be used in tight or enclosed spaces, which is especially beneficial in portable electronic applications. Additionally, the high energy storage capacity allows for a larger amount of energy to be stored than other capacitor types. The 135D series also has low leakage and is relatively inexpensive compared to other capacitor types, making it an ideal choice for applications that require a smaller, inexpensive, and high capacity capacitor.

Disadvantages

The main drawback of the 135D series of tantalum capacitors is its limited temperature range. The 135D series is limited to temperatures between -30°C and 85°C, while other capacitor types are capable of operating in temperatures as low as -55°C or higher. Additionally, the 135D series is limited in its current capacity compared to other capacitor types, such as aluminum electrolytic capacitors. Furthermore, the oxide film between the two electrodes of a tantalum capacitor is more prone to failure than other dielectrics, making the 135D series more susceptible to voltage spikes and other electrical stressors.

Conclusion

In conclusion, the 135D series of tantalum capacitors has a wide range of applications, from portable electronics to medical devices. It is small in size and has high energy storage capacity, making it suitable for applications where space is an issue. Additionally, the 135D series is relatively inexpensive and has low leakage compared to other capacitor types. However, it is limited to a narrow temperature range and has lower current capacity. Despite these drawbacks, the 135D series of tantalum capacitors is still a valuable asset to any electronics application.

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