M39003/01-7169/HSD

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Tantalum Capacitors

A tantalum capacitor, also referred to as tantalum electrolytic capacitor, is an electrolytic capacitor, a passive component of electronic circuits. It typically consists of a pellet of tantalum metal as an anode covered by an insulating oxide layer. The oxide layer serves as a dielectric and also provides a path to the cathode. The capacitor is polarized, meaning it must be connected to the connection corresponding to the positive charge and to the negative charge.

M39003/01-7169/HSD application field and working principle:

The M39003/01-7169/HSD capacitor from Vishay is a surface-mount, solid-electrolyte tantalum capacitor designed primarily for use in military and avionic applications. This capacitor is designed to meet stringent requirements of mechanical shock, vibration, temperature, and humidity, for long-term reliability and improved performance. Its operating temperature range is -55°C to +125°C. It is a polarized capacitor, and must be connected to the correct polarities.

This capacitor\'s working principle is based on the fact that a dielectric material (in this case an insulated oxide) can be formed on the anode (in this case a tantalum pellet) when a proper direct current voltage, or bias, is applied across it. This creates an electric field between the anode and the cathode, and the resulting polarization of the dielectric causes a capacitance which will allow electrical charge to flow through it. The value of the capacitance will depend on the type of dielectric material used, as well as the distance between the plates. In a tantalum capacitor, the distance only varies slightly, so the capacitance is relatively consistent.

The M39003/01-7169/HSD capacitor is mainly used in applications such as airborne electronic systems, space systems, computers and business machines, and industrial control systems. It can be used in military and avionic applications as well as within consumer electronics, particularly in portable devices that are sensitive to shock and vibration. This capacitor is resistant to environmental factors such as humidity, temperature, and mechanical shock, providing long-term reliability as well as improved performance.

In conclusion, the M39003/01-7169/HSD capacitor from Vishay is a surface-mount, solid-electrolyte tantalum capacitor designed primarily for use in military and avionic applications. It works by creating a dielectric layer between the anode and the cathode, and is resistant to environmental factors such as humidity, temperature, and mechanical shock. This makes it ideal for applications that require high levels of reliability.

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