B41890A7228M

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.457" (37.00mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	22 mOhms
Ripple Current @ High Frequency:	3.84A @ 100kHz
Applications:	General Purpose
Ratings:	--
Series:	B41890
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	15000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	26 mOhm @ 10kHz
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	2200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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What Are Aluminum Electrolytic Capacitors?

Aluminum electrolytic capacitors are a type of capacitor commonly used in various electronic applications. They are components used to store electrical charge and are particularly well-suited for applications where voltage fluctuations occur over a large range. Aluminum electrolytic capacitors take their name from the use of an electrolyte to store an electrical charge instead of a dielectric. They are made of two aluminum foils, each of which serves an anode, separated by a sheet of paper soaked in liquid electrolyte.As compared with other types of capacitors, aluminum electrolytic capacitors are relatively large in size, high in capacity, and have an excellent lifetime even when subjected to temperature variations, vibrations, and other sources of unwanted electrical noise. Additionally, they work best when used as part of a larger circuit, as they help to reduce the amount of transient current going through the circuit.

B41890A7228M Application Field and Working Principle

The B41890A 7228M is a medium-range aluminum electrolytic capacitor from EPCOS. It features a high-energy density and excellent reliability, and is designed for use in applications with a working voltage of up to 250VAC. The capacitor is capable of storing up to 80µF of charge, and offers a minimum operating capacitance of 7µF. In terms of applications, this specific aluminum electrolytic capacitor is suitable for use in medium-voltage applications, such as motor control, switch mode power supplies, dc/dc converters, and inverter applications. The working principle of aluminum electrolytic capacitors is based on a capacitor being formed from two metal plates. A non-conductive material such as paper is sandwiched between these two plates, and an electrolyte is poured into the capacitor. When a voltage is applied to the two plates, the electrolyte electrolyzes and the two metal planes are separated, creating a difference in electrical potential between them. This separation of charge creates a capacitance that can store and release electrical energy.

Advantages of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used due to their many advantages. First, they offer a large capacitance compared to other types of capacitors, meaning they can store a greater amount of charge. This makes them ideal for applications that require a great deal of energy storage, such as in power supplies and motor controllers. Additionally, aluminum electrolytic capacitors are more reliable than other types of capacitors, as they are less affected by temperature variations, vibrations, and other sources of unwanted electrical noise. This makes them well-suited for a variety of applications, including those that involve high vibration levels and harsh environmental conditions.Lastly, aluminum electrolytic capacitors are very inexpensive, making them cost-effective and highly accessible. This makes them ideal for hobbyists and smaller budget projects.

Conclusion

The B41890A 7228M aluminum electrolytic capacitor from EPCOS is a medium-range capacitor that offers a high-energy density, excellent reliability, and cost-effectiveness. It is suitable for applications with a working voltage of up to 250VAC, and is ideal for medium-voltage applications such as motor control, switch mode power supplies, dc/dc converters, and inverter applications. Overall, aluminum electrolytic capacitors offer a great deal of advantages, such as their high capacitance, reliability, and cost-effectiveness. This makes them a popular choice for a wide range of applications.

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