B43231F9227M

Series:	B43231
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	400V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-25°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.41A @ 120Hz
Ripple Current @ High Frequency:	2.186A @ 20kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Height - Seated (Max):	1.654" (42.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that uses a special type of electrolyte and aluminum oxide as the dielectric medium to store electrical energy. Aluminum electrolytic capacitors are one of the most widely used capacitors in electronics because of their relatively high capacity and wide temperature range, smaller size, and longer shelf life.Invented in 1881 by Swiss physicist Du Bois, the aluminum electrolytic capacitor quickly became popular in electronic systems because of its compact size and ease of use. The principle behind an aluminum electrolytic capacitor is a bit complex. It essentially involves using a semi-conductive oxide layer on the aluminum foil, or electrolyte to create a two-dimensional, electrically insulated barrier. This barrier is called a dielectric and it functions as the medium that stores electrical energy.

B43231F9227M Application Field and Working Principle

B43231F9227M is a type of aluminum electrolytic capacitor designed for automotive applications. It’s is specifically designed to meet the demands of the automotive industry, ensuring long-lasting, reliable operation. The B43231F9227M is a high volumetric efficiency, low-ESL, radial-leaded aluminum electrolytic capacitor with a capacitance range from 8.0 to 85.0uF and nominal voltage ratings of 5Vdc, 10Vdc, 12Vdc, 16Vdc, 25Vdc and 50Vdc. The capacitors are constructed with self-healing aluminum electrolyte and radial leads that are made of tin-plated copper foil. The tin-plated copper foil ensures the ruggedness and long-term stability of the capacitor. The capacitor casing is made of thermally conductive acrylic resin, providing improved heat dissipation for extended life.The capacitor operates on the same principles as any other aluminum electrolytic capacitor. It uses aluminum metal foil and an electrolyte to create a dielectric, or an electrostatically charged barrier, between two electrodes. When a voltage is applied to the capacitor, electricity is stored inside the dielectric in the form of an electric field. When the voltage is removed, the charge stored in the capacitor is discharged, allowing it to act as a filter or energy buffer.The B43231F9227M is well suited for automotive applications such as electronic control modules, onboard diagnostics, ignition systems, emission controls, and powertrain control modules. This robust, cost-effective capacitor is designed for high temperature (up to 125-degrees Celsius) and vibration resistance, making it ideal for harsh automotive environments. The capacitor is specified for 2000-hour stress tests to ensure quality and reliability in use.

Conclusion

Aluminum electrolytic capacitors are an essential component for many electronic devices, and the B43231F9227M is a reliable and cost-effective solution for automotive applications. Its heat-resistant construction and long-term stability makes it the perfect choice for harsh automotive environments. With its self-healing aluminum electrolyte, radial leads, and high volumetric efficiency, the B43231F9227M provides a reliable, long-lasting capacitor for automotive use.

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