25SEV4R7M4X5.5

Series:	SEV
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage - Rated:	25V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive
Ripple Current @ Low Frequency:	18mA @ 120Hz
Ripple Current @ High Frequency:	27mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.157" Dia (4.00mm)
Height - Seated (Max):	0.217" (5.50mm)
Surface Mount Land Size:	0.169" L x 0.169" W (4.30mm x 4.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are almost omnipresent in almost all kinds of electronic devices and equipment due to their excellent performance and high capacitance. As the name implies, aluminum electrolytic capacitors are constructed using two aluminum foils as electrodes and using electrolyte as a medium. In this article, we will discuss the 25SEV4R7M4X5.5 aluminum electrolytic capacitor and its application fields and working principles in detail.

Application Fields of 25SEV4R7M4X5.5 Aluminum Electrolytic Capacitors

The 25SEV4R7M4X5.5 aluminum electrolytic capacitors are mainly used in different types of communication and industrial equipment, such as telecommunication equipment, phase-shift oscillators, power drive systems and lighting system, to maintain constant voltage and ripple current output levels. The 25SEV4R7M4X5.5 capacitors also have wide applications in the circuits of portable electronic equipment, such as laptops, cell phones, digital cameras, medical equipment, and DVD players. The 25SEV4R7M4X5.5 aluminum electrolytic capacitors are also used in power supplies, electronic ballasts, memory back up sources, and in motor and solenoid drives.

Working Principle of 25SEV4R7M4X5.5 Aluminum Electrolytic Capacitors

The 25SEV4R7M4X5.5 aluminum electrolytic capacitor is a polarized device, wherein the cathode is denoted using a “+” symbol and the anode is denoted using a “–” symbol. The internal aluminum layers (cathode and anode) of these capacitors are immersed in an electrolyte liquid. The ingress of the positive ions from the electrolyte into the anode foil, and their expulsion from the cathode, result in the production of an electrical potential difference between these two foils. This potential difference is also referred to as the “capacitance” value of the electrolytic capacitors and is determined based on the way the material is built. The 25SEV4R7M4X5.5 aluminum electrolytic capacitors feature a positive and negative pole polarity, with an operating temperature range of -55 ⁰C to +105 ⁰C.

Conclusion

The 25SEV4R7M4X5.5 aluminum electrolytic capacitors are extremely versatile components and are used in almost all kinds of electronic equipment like telecommunications equipment, home appliances, consumer electronics, and computer circuits. These capacitors are used in different application fields for different purposes like power drive systems and suppressing interference. Apart from this, they are also exceptionally useful in memory backup sources and regulating voltage and current levels. Finally, the 25SEV4R7M4X5.5 aluminum electrolytic capacitors are also praised for their working principle, which is based on the ingress of the positive ions from the electrolyte into the anode foil and their expulsion from the cathode, resulting in the production of a potential difference between the two foils.

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