ATB476M025

Series:	ATB
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Preliminary
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	4.52 Ohm @ 120Hz
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	Bypass, Decoupling
Ripple Current @ Low Frequency:	168mA @ 120Hz
Ripple Current @ High Frequency:	240mA @ 100kHz
Impedance:	520 mOhms
Lead Spacing:	--
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.224" (5.70mm)
Surface Mount Land Size:	0.260" L x 0.280" W (6.60mm x 7.10mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a common type of capacitor which is widely used in a variety of electronic devices. It is a polarized capacitor, which means that it can only be used if the polarity of its terminals is observed. The ATB476M025 is an aluminum electrolytic capacitor with a 2.5V voltage rating and various capacitance ratings, ranging from 10 mF to 47 mF.

ATB476M025 Application Field

The application fields of ATB476M025 are many and varied. It is commonly used in automotive electronics, such as engine control systems and audio systems. It is also used in telecommunications equipment, to form part of a telephone or fax machine. The robust nature of the device also makes it ideal for use in other rugged environments such as industrial electronics. While ATB476M025 devices are generally used for various signal filtering and smoothing applications, they can also be used for other purposes. For example, they often make up part of a converters such as step-down and step-up converters which are capable of producing steady voltages and currents from varying inputs.

ATB476M025 Working Principle

ATB476M025 aluminum electrolytic capacitors are essentially formed by an anode made of aluminum metal and an electrolyte that is usually made of boric acid or borax. A separator, usually made of kraft paper, is used to separate the anode and the electrolyte. The anode is rolled into a cylindrical aluminum foil which acts as the positive electrode once the capacitor is sealed. The aluminum foil is coated with an oxide layer, which acts as the electrical insulator and gives the device its characteristics. The device works by storing electrical charge in the anode which is connected to the positive terminal of the capacitor. The electrolyte is connected to the negative terminal and is used to connect the device to ground. The net charge is stored in the device and is able to conduct current under the right conditions.

Conclusion

ATB476M025 is an aluminum electrolytic capacitor that can be used in a wide variety of applications, from automotive electronics to signal filtering and smoothing. Its working principle relies on the formation of an anode and an electrolyte, separated by a separator which acts as the electrical insulator for the device. This makes ATB476M025 a reliable and robust device for many different applications.

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