M39003/01-2686/98

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Tantalum capacitors are one of the most commonly used types of capacitors in the electronics industry. They are made from a tantalum-oxide dielectric, which offers an excellent combination of high capacitance and low equivalent series resistance. The M39003/01-2686/98 capacitor is a radial leaded Tantalum capacitor with a capacitance of 0.1 µF at 25 volts. It is used in a wide variety of applications, from power and signal conditioning in digital and analog circuits to filtering and stabilizing supplies.

Application field

Tantalum capacitors are frequently used in space constrained applications, such as portable electronics, where their small size and low profile make them an attractive option. They are often used in memory back-up circuits, decoupling circuits, automotive and telecoms applications, and for power supplies. Tantalum capacitors are also very resistant to temperature change, making them suitable for use in high-temperature environments, such as in automotive engines. In addition, they have very low leakage current, and are generally more stable than electrolytic capacitors with regard to long-term reliability.

Working Principle

The M39003/01-2686/98 capacitor follows the same basic working principle as any polarized capacitor. Its dielectric is a tantalum pentoxide compound, which allows it to store charge on its two sides. The positive side of the capacitor is called the anode, and the negative side is called the cathode. When a voltage is applied across the two sides of the capacitor, electrons are stored on the anode due to the attraction of the positive voltage, and removed from the cathode due to the negative voltage. This stores energy in the form of an electric field between the two plates. When the voltage is removed, the charges on the capacitor remain until they gradually leak away, releasing their stored energy. This capacitance value is determined by the size and material of the capacitor.

The M39003/01-2686/98 capacitor has a capacitance of 0.1µF and is rated for operation up to 25volts. It is typically operated at 1.8 volts, with a maximum operating temperature of +85°C. This capacitor has a rated capacitance of 0.1µF at 1 KHz, with a temperature coefficient of +22%, meaning that its capacitance increases at higher temperatures. Additionally, its self-healing nature means that the capacitor is resistant to short-term over-voltage spikes, which can be caused by static electricity or lightning.

Conclusion

The M39003/01-2686/98 Tantalum capacitor is a reliable, high-performing component that is suitable for a wide variety of applications. It is a polarized capacitor that stores energy in the form of an electric field and can withstand temperature ranges from -55°C to +85°C. Its low leakage current makes it ideal for use in high-temperature environments, and its self-healing nature gives it excellent protection against over-voltage spikes. The M39003/01-2686/98 capacitor is a reliable and effective solution for power and signal conditioning in digital and analog circuits, for filtering and stabilizing supplies, and a variety of other applications.

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