SMQ450VS271M25X40T2

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.575" (40.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.5454A @ 50kHz
Ripple Current @ Low Frequency:	1.78A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMQ
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	1.228 Ohm @ 120Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	270µF
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, or sometimes referred to as electrolytic capacitors, are a type of capacitor that utilizes a thin metal oxide film to separate two conductors, typically two oxidized aluminum plates. The metal oxide is an insulator, but the permanent electric field of the capacitor causes it to become polarized. Aluminum electrolytic capacitors are the most widely manufactured type of capacitor and offer the highest capacitive values and levels of insulation resistance. These capacitors can be particularly useful in applications where high stable capacitance is needed, such as in power-supply filters or decoupling circuits.

SMQ450VS271M25X40T2 Application Field and Working Principle

The SMQ450VS271M25X40T2 is an aluminum electrolytic capacitor manufactured by SEBE. It is designed to be used in specialized electronic circuits. It is a radial leaded type aluminum electrolytic capacitor, with a lead spacing of 2.5mm. The product dimensions are 4x40 mm, and it has a capacitance of 450µF with 2.7V DC voltage rating. The working principle of the SMQ450VS271M25X40T2 is based on the property of electrolytic capacitors, which is the ability to store a large amount of energy within a small physical package. They use ionized anode and cathode plates, which are separated by a porous dielectric, commonly made of aluminum oxide. When electric power is applied to the plates, a charge builds up in the capacitor. As this charge builds up, it attracts and traps ions, which further increases the capacitance of the device. This ability to store energy makes aluminum electrolytic capacitors ideal for use in power-supply filtering circuits, as well as other applications, such as signal coupling, noise filtering, and decoupling. In addition, aluminum electrolytic capacitors are typically more stable than other types of capacitors, and can deliver lower equivalent series resistance (ESR). This property makes them well suited for use in high frequency signal transfers, as well as other power-related applications that require quick changes in response. The SMQ450VS271M25X40T2 aluminum electrolytic capacitor, in particular, is specially designed for power supplies, supercapacitors, UPS, and other similar power applications. Its durable moisture-proof, air-tight construction enables a longer operational life, and its radial-lead design makes it ideal for use in space-restricted areas. This type of capacitor can be used in both single and multiple cap configurations, and has a wide temperature range of -55°C to +125°C.

Conclusion

Aluminum electrolytic capacitors are one of the most widely used types of capacitors available in the marketplace. Their ability to store a large amount of energy within a relatively small physical package makes them highly advantageous for use in many applications. The SMQ450VS271M25X40T2 aluminum electrolytic capacitor is specifically designed for power-related applications, providing superior stability, durability, and ESR performance.

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