UPM1J271MHD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	55 mOhms
Ripple Current @ High Frequency:	1.34A @ 10kHz
Ripple Current @ Low Frequency:	1A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPM
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	63V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (AEC) are electrical components built with two aluminum foils coated with a thin layer of metal oxide, separated by a piece of paper soaked in electrolyte. The electrodes are connected to external conductors which allow energy to flow through the capacitor, ensuring the storage and restoration of electrical energy. AECs come in various sizes, shapes, and capacitances, according to the intended application. One of the most common AECs used is the UPM1J271MHD, which is a long-life miniature capacitor with high volumetric efficiency.

Application Field

The UPM1J271MHD is widely used in automotive, consumer electronics, industrial, and defense applications. It is mainly used to assist in the design of power supplies, filters, as well as temperature and other pulse circuits.In the automotive industry, the UPM1J271MHD capacitor is used to suppress noise from the engine, as well as to maintain the terminals at a constant voltage despite engine vibrations. In the consumer electronics industry, the capacitor is used for smoothing the ripple, reducing the reaction time of the circuit, and so on. It is also used in industrial applications such as AC, DC, and traction power supplies, and in defense applications such as electro-optic/infrared and radar systems.

Working Principle

The working principle of the UPM1J271MHD capacitor is based on the law of electrostatics, which states that when two conductive plates of opposite charges (i.e. a positive and a negative plate) are symmetrically arranged, an electric field is created between them. When a voltage is applied to the capacitor, electrons move towards the positive plate, creating an electric current. This current creates an electric field in the dielectric layer between the plates, which is responsible for the energy storage. When the voltage is removed, the stored energy is released, restoring the capacitor to its original state, ready to be recharged. This cycle is repeated whenever the capacitor is subjected to an alternating current.

Conclusion

The UPM1J271MHD aluminum electrolytic capacitor is one of the most versatile electrical components available, as it can be used in a wide range of automotive, consumer electronics, industrial, and defense applications. Its working principle is based on the law of electrostatics, which states that when two conductive plates of opposite charges are symmetrically arranged, an electric field is created between them. This electric field is responsible for the storage and release of the energy, providing a constant voltage in the circuits.

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