AFC476M25E16T-F

Series:	AFC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	4.9 Ohm @ 120Hz
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive, Bypass, Decoupling
Ripple Current @ Low Frequency:	172.5mA @ 120Hz
Ripple Current @ High Frequency:	230mA @ 100kHz
Impedance:	400 mOhms
Lead Spacing:	--
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.244" (6.20mm)
Surface Mount Land Size:	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as aluminum electrolytic capacitors (AECs), are a type of capacitor whose electrodes are separated by an electrolyte made of a liquid or gel-like medium. These capacitors are commonly used in a wide variety of electrical and electronic applications, from simple computer components to sophisticated consumer electronics. The most basic construction of aluminum electrolytic capacitors generally consists of a pair of parallel aluminum foil electrodes, which are separated by a liquid- or gel-containing medium. When the capacitance of the capacitors is increased, the length of the parallel aluminum plates is also increased. The electrodes are further coated with a thin oxide film, which serves as a dielectric to prevent a current from flowing.

AFC476M25E16T-F Application Field and Working Principle

AFC476M25E16T-F aluminum electrolytic capacitors are radial-lead electrolytic capacitors with low leakage current, high stability and long life. They have a capacitance ranging from 25 to 50μF and a maximum working voltage from 10 to 450V.AFC476M25E16T-F requires a relatively low installation voltage, and thus is suitable for use in low voltage applications such as mobile phones, small home appliances, and other electronic products. Due to its low impedance and low equivalent series resistance (ESR) compared to similar capacitors, AFC476M25E16T-F is a highly reliable device for applications that require high frequency or power supply filtering.The working principle of AFC476M25E16T-F relies on the nature of how the electrolytic capacitor works; the electrolyte or dielectric acts as a barrier between the two metal plates, and due to electrochemical action, an imbalance in ions determines the total capacitance. When a voltage is applied between the terminals, the ions move from one electrode to the other, which creates a layer of charged ions at the interface between the plates and the electrolyte.The thickness of this layer influences the total capacitance of the cap, and this change in thickness is proportional to the voltage applied between the plates when actuating the device. This phenomenon is known as the “variable capacitance”, meaning that the capacitance of the device will change as the voltage applied between the plates increases.The working temperature of AFC476M25E16T-F can range from -40℃ to 105℃ and are generally expected to last a minimum of 2000h of life. The capacitors are equipped with a safety vent designed to keep the device safe from any spikes in voltage. The vents open and release the charge when the voltage applied on the device exceeds its rated working voltage.Overall, the AFC476M25E16T-F aluminum electrolytic capacitors are reliable, long-lasting, and offer high capacitance retention. Due to its special construction and good performance, AFC476M25E16T-F is widely used in the electronic industry, especially in applications such as mobile phones, small home appliances, and other types of electronic products that require a low installation voltage.

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