KMQ400VS151M25X25T2

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.984" (25.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.2584A @ 50kHz
Ripple Current @ Low Frequency:	880mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMQ
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	1.658 Ohm @ 120Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	150µF
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are used extensively in electrical systems and have been essential components in a variety of electrical and electronic devices and applications for about a century. Many of the commercially available capacitors belong to the KMQ400VS151M25X25T2 series and are used in a variety of fields and applications. This article provides an overview of the KMQ400VS151M25X25T2 series of aluminum electrolytic capacitors and its applications and working principles.

Features and Specifications

The KMQ400VS151M25X25T2 series consists of aluminum electrolytic capacitors with a case size of 25 mm x 25 mm. These capacitors have a rated voltage of 400 volts and are available in various capacitance values ranging from 0.1 uF to 2.5 uF. The capacitors have an operating temperature range of -40°C to +120°C and have a long shelf life of 10 years. The capacitors are RoHS compliant and pass a variety of rigorous quality tests to ensure reliable performance and long life.

Applications

The KMQ400VS151M25X25T2 series of capacitors are widely used for power factor correction, power supply filtering, and decoupling in a variety of electronic and electrical circuits and systems. The capacitors are also used in electronic ballasts to adjust lamp current level, stabilize AC line current and filter the EMI. In audio systems, the capacitors are used for amplifying signals and improving sound reproduction.These capacitors are also used in automotive and industrial electronic circuits and applications owing to their superior performance and durability. They are often used as a substitute for other electrolytic capacitors in various electronic and electrical circuits due to their relative low cost and high performance.

Working Principle

Aluminum electrolytic capacitors work on the principle of electrolysis, which involves using an electrolyte, usually an acid, to transfer electrons from one metal plate to another. In terms of the KMQ400VS151M25X25T2 series, an anode plate, which is made of aluminum, is dipped into an electrolyte and the oxygen from the electrolyte reacts with the aluminum to create a layer of aluminum oxide on the surface of the plate. This layer of oxide acts as an insulator and prevents the electrons from flowing freely between the anode and the cathode. The cathode plate, which is usually made of a metal like manganese, provides a stronger electric force which helps to draw electrons from the anode plate to the cathode plate. Each time a charge is applied to the capacitor, the electrons are attracted to the cathode plate. When the charge is removed, the electrons are released, creating a current.

Conclusion

The KMQ400VS151M25X25T2 series of aluminum electrolytic capacitors are widely used in a variety of applications due to their excellent performance, superior reliability, long shelf life and low cost. The capacitors work on the principle of electrolysis, in which the oxygen from an electrolyte reacts with an aluminum anode to create a layer of oxide which acts as an insulator and prevents the free flow of electrons. The capacitors are widely used in power factor correction, power supply filtering, and decoupling in various electronic and electrical systems.

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