227BPA025M

Series:	BPA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	1.507 Ohm @ 120Hz
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Bi-Polar
Ratings:	--
Applications:	Audio
Ripple Current @ Low Frequency:	390mA @ 120Hz
Ripple Current @ High Frequency:	581.1mA @ 50kHz
Lead Spacing:	--
Size / Dimension:	0.394" Dia x 0.945" L (10.00mm x 24.00mm)
Height - Seated (Max):	--
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Axial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a kind of capacitors with large capacitance values made of aluminum foil, dielectric film and electrolyte. Compared with other capacitors, aluminum electrolytic capacitors have higher capacitance values and thicker dielectric films. Among them, 227BPA025M aluminum electrolytic capacitors are widely used in various electronic circuits and systems.

227BPA025M Application Field

Because of their large capacitance values, 227BPA025M aluminum electrolytic capacitors are often used in power engineering, frequency converters, pulse power sources, high efficiency lighting, switching power supplies, automotive electronics, computers, medical instruments, etc. For example, they could be used as a start-up and backup power supply in a computer system or as a main power source for motor start-up.

227BPA025M Working Principle

The 227BPA025M aluminum electrolytic capacitors are composed of multiple positive and negative plates. When they are connected to the power supply, the current will flow through the electrolyte to the negative plate and then to the positive plate, thus forming an electric field around the dielectric film. This electric field can store energy in the form of electric field, and when the power supply is off, the current will continue flowing through the electrolyte to the negative plate, discharging the energy stored in the electric field and slowly releasing the energy of the power source.The 227BPA025M aluminum electrolytic capacitors have a dielectric film composed of a layer of metal oxide. The metal oxide will insulate the negative and positive plates and prevent them from short-circuiting, thus ensuring the safe operation of the capacitor. In addition, the dielectric film also has a porous structure, allowing the electrolyte to penetrate into the dielectric film so that the electric field can form around the dielectric film and the electric energy can be stored and released safely.

Conclusion

227BPA025M aluminum electrolytic capacitors are widely used in various electronic circuits and systems because of their large capacitance values. Their working principle is based on the formation of an electric field around the dielectric film, which can store and release energy safely. Therefore, 227BPA025M aluminum electrolytic capacitors play an important role in many applications.

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