AVS475M25A12T-F

Series:	AVS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	56.5 Ohm @ 120Hz
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive, Bypass, Decoupling
Ripple Current @ Low Frequency:	12mA @ 120Hz
Ripple Current @ High Frequency:	20.4mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.118" Dia (3.00mm)
Height - Seated (Max):	0.213" (5.40mm)
Surface Mount Land Size:	0.130" L x 0.130" W (3.30mm x 3.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors

Aluminum Electrolytic Capacitors (AECs) are the most common capacitors utilized today. AECs are composed of two non-conductive aluminum foil electrodes with a porous sandwich of aluminum oxide electrolyte material in between. Connected to these electrodes, is usually a thin sheet of solid electrolyte in the form of a metal oxide. The anode foil is generally the positive electrode while the cathode foil is the negative electrode.

The AVS475M25A12T-F is a general purpose aluminum electrolytic capacitor used in various electronic applications because of its exceptional electrical and thermal characteristics. These capacitors are part of the Large Can Series and are intended for use in applications that require high ripple current and lower ESR. Typical applications for the AVS475M25A12T-F are in motor controls, power supplies, filtering, and in power conditioning for medical equipment.

The AVS475M25A12T-F has an operating temperature range of -40°C to +105°C and is predominantly used in high temperatures. This aluminum electrolytic capacitor also features a wide range of capacitance values - from 1μF to 5000μF and an operating voltage range from 200V to 500V. It has a maximum ripple current of 95 A, Surge Voltage of 520 V, and an Equivalent Series Resistance (ESR) of 0.45 ohms. The life expectancy for this capacitor is 2,000 hours at 105°C.

The working principle of the AVS475M25A12T-F is based on Faradays Laws of Electromagnetic Induction. AECs store energy through chemical action and vibration. An electrical field is established between the anode and cathode of the capacitor and the chemical reaction caused by the field is what generates the capacitor\'s effect. When a voltage is applied across the capacitor\'s plates, an electric field will be developed across the oxide layer, giving rise to charge separation between the electrodes. The Farad of an electrolytic capacitor is determined by its area and the thickness of the electrolyte layer.

Additionally, the AVS475M25A12T-F also work great in high frequency applications, due to its low parasitic effects. The capacitor also offers excellent performance when in the presence of noise and low impedance and capacitance stability, due to its high ESR and effective capacitance. Furthermore, it is also a reliable capacitor with a highly stable volumetric efficiency. The AVS475M25A12T-F also features a unique multi-layered construction that ensures long life and better reliability. This capacitor is also capable of dissipating heat quickly and offers excellent mechanical and electrical shock protection.

The AVS475M25A12T-F is an aluminum electrolytic capacitor that is designed to be used in a variety of electronic devices that require high-temperature insulation and capacitance stability. The capacitor is also suitable for applications involving high pulse current and low ESR. It features excellent electrostatic and mechanical shock protection and a high degree of volumetric efficiency. Furthermore, this capacitor is able to withstand extreme temperatures and offers long life expectancy. Therefore, it can be said that AVS475M25A12T-F is an ideal capacitor for electronic applications.

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