B41252B9228M

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor (AEC) is an electronic component that takes advantage of the physical properties of an electrolytic solution to increase an electrical circuit’s capacitance. AECs are composed of two aluminum layers separated by a thin insulating film, and when applied to an electrical circuit, the capacitor can efficiently store charge and discharge electrical energy.

B41252B9228M is an aluminum electrolytic capacitor manufactured by Panasonic. It is an axial lead type, long life, low leakage current, and high capacitance type aluminum electrolytic capacitor. It is constructed from an electrolytic paper dielectric, and has an aluminum anode winding for superior performance and longevity.

The application field of the B41252B9228M includes applications for telecommunication (broadband, cable, and DSL), consumer electronics, portable devices, battery-powered devices, and automotive. It is exceptionally suited in these particular fields due to its low leakage current, long life, and excellent temperature stability.

In addition to such applications, B41252B9228M also has excellent performance characteristics and a high working voltage of 63V. It has a dielectric absorption rate of roughly 3%, an operating temperature of -55 to +105°C, and capacitance of 22μF ±20%. It also has a low ESR (Equivalent Series Resistance) value of 1.13ohm max. This product is RoHS compliant and features an industry standard of the 4mm lead spacing.

As operations go, the working principle behind the B41252B9228M requires the use of two capacitors working together. One capacitor is manufactured using a traditional construction material, such as aluminum foil. The other is created using an insulating material in combination with electrolytic solution in order to form a double-sided polarized capacitor. This assembly is then placed in an electrical circuit, where it acts as a switch. As current passes through the circuit, a small amount of energy is stored in the capacitor. Continuously conducting electrical current will eventually cause the capacitor to become fully charged.

In addition to the working principle previously described, B41252B9228M also uses their patented ‘Hybrid Electrolysis’ technique. This method utilizes the properties of the aluminum anode material and chemically-treated electrolyte to increase the capacitance characteristics of the capacitor. It also improves the temperature characteristics and life expectancy. This process is highly beneficial in many telecommunication applications, as it helps reduce the amount of EMI (electromagnetic interference) generated.

Finally, B41252B9228M possesses many advanced design features that make it an ideal choice for a variety of applications. The high packing density of the device helps to reduce the size of the capacitor, saving valuable space on the PCB (printed circuit board). Its excellent load life characteristics coupled with its long shelf life make it suitable for high temperature and high input power requirements. It also has a wide operating temperature range of -40 to +105°C, making it suitable for a wide variety of environments. With its high capacitance and long life, as well as its low ESR values, B41252B9228M is an ideal choice for many applications.

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