450BXW100MEFC18X30

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (AECs) are one of the most widely used types of capacitors. AECs are devices that store energy in the form of an electric charge and can be used to filter signals and provide timing characteristics in electronic circuits. Due to their low cost and high performance, AECs are essential components in many consumer, industrial, and military applications.

450BXW100MEFC18X30

The 450BXW100MEFC18X30 is a type of aluminum electrolytic capacitor that is specifically designed for use in military electronics and avionics. This AEC utilizes a tantalum-coated aluminum canister with a maximum capacitance of 550µF and a maximum rated voltage of 16 VDC. The canister itself is insulated with a Mylar sleeve, which helps to minimize EMI and RFI interference. Additionally, this AEC is encased in an Exxon-Vistron 18X30-sized package to protect it from the rigors of military use.

Application Fields

The 450BXW100MEFC18X30 is designed for a wide variety of applications within the military sector. One such application is in high-frequency avionics radios, where the AEC\'s high capacitance and low ESR (equivalent series resistance) allow it to filter harmonics and provide a stable power source. Other applications include the elimination of noise from power-dependent systems, such as engines and actuators, as well as the timing and stabilization of power sources in nuclear-detection systems.

Working Principle

At its core, an aluminum electrolytic capacitor consists of a canister filled with electrolyte and two electrodes. The canister is coated with a tantalum-oxide layer in order to preserve the polarization of the device and ensure a uniform electrical field. The electrolyte is composed of a solvent, usually water, and an electrolyte, most often an organic acid. This combination of solvent and electrolyte allows for the necessary charge transport to take place. When a voltage is applied to the electrodes, electrons are driven from the negatively charged electrode, creating an electric field that acts to store the charge. This charge is stored until the voltage is removed, at which point the electrons are released and the capacitor returns to its original state.

Conclusion

The 450BXW100MEFC18X30 aluminum electrolytic capacitor is a robust device specifically designed for use in military electronics and avionics. Its high capacitance and low ESR make it ideal for filtering harmonics, eliminating noise, and providing timing and stabilization functions. As such, it is a crucial component in many defense applications.

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