M39006/25-0215

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Tantalum capacitors, also known as Ta-caps, are solid-state and electrolytic capacitors. These devices are made of tantalum, an element on the periodic table, which is then covered in an oxide layer that acts as a dielectric medium. The connections between the plates and the oxidizing medium are electrically insulated, allowing a charge to be stored between them. They are widely used across a broad spectrum of applications due to their high capacitance, low leakage current, and extended temperature range.

The M39006/25-0215 tantalum capacitors are used for high-reliability applications, such as critical medical, aerospace, and military applications. They are designed to operate over -55°C to +85°C temperature range and provide great performance and stability even under extreme environmental conditions. The case size of these capacitors is extremely small and offers a wide capacitance range up to 015 μF, which makes them reliable choice for vibration- and shock-sensitive applications. These capacitors are especially suitable for defense, aerospace, medical, instrumentation, and commercial applications.

The M39006/25-0215 tantalum capacitors have an extremely low maximum leakage current, making them ideal for extended application life. The capacitors’ ESR is extremely low, which helps reduce in-circuit ripple, and they also have superior aging characteristics as they age better than standard tantalum capacitors. The capacitors feature a non-polarized construction, allowing them to be connected in either direction across the applied voltage, making them more widely applicable to different circuits.

The operating principle of the M39006/25-0215 capacitors is based on the working of an electrolytic capacitor. The negative electrode (anode) is a piece of tantalum metal and the positive electrode (cathode) consists of an electrolyte solution. The anode is connected to the positive terminal (+) and the electrolyte solution is connected to the negative terminal (-). When a bias voltage is applied across the terminals, it causes tantalum ions to migrate from the anode to the electrolyte solution at the positive terminal. The electrolyte solution becomes positively charged, while the anode becomes negatively charged.

The capacitance of the M39006/25-0215 capacitors is determined by the amount of charge stored between the cathode and anode. As the bias voltage is applied, an electrical field is created between the anode and the positive terminal, creating a “dielectric barrier” that enables the capacitor to store charge and create a transient increase in voltage. The dielectric barrier prevents the flow of electrons from the negative to the positive terminal and vice versa, allowing the capacitor to store and discharge energy in the form of voltage or current.

In conclusion, the M39006/25-0215 tantalum capacitors are specialized devices designed for high-reliability and vibration- and shock-sensitive applications. Their small case size, high capacitance range, low maximum leakage current, and superior aging characteristics make them the preferred choice for aerospace, medical, military, and similar applications. Their operating principle is based on the fundamentals of an electrolytic capacitor, which enables them to store and discharge energy in the form of voltage or current.

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