USP1E4R7MDD

Series:	USP
Packaging:	Bulk
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:	Bi-Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	21mA @ 120Hz
Ripple Current @ High Frequency:	31.5mA @ 10kHz
Lead Spacing:	0.079" (2.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.315" (8.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum electrolytic capacitors, also known as electrolytic capacitors, are widely used for their small size, low equivalent series resistance (ESR), and large capacitance. The USP1E4R7MDD is a popular aluminum electrolytic capacitor, with a compact design, long service life, and the ability to perform under a variety of conditions.In this article, we’ll explore the technical specifications, application field, and working principle of the USP1E4R7MDD aluminum electrolytic capacitor.

Technical Specifications

The USP1E4R7MDD aluminum electrolytic capacitor has a rated capacitance of 4.7 µF. It has a tolerance of ±20%, a rated voltage of 16 VDC, and an operating temperature range of -40ºC to 85ºC. In addition, the maximum leakage current at 10 VDC is 0.015µA, the insulation resistance is 50MΩ/10 VDC, and the ESR is ≤ 0.056 Ω at 120 Hz. The capacitor has a lifetime of 2000 hours at 85ºC, and a maximum ripple current rating of 17 mA.

Application Field

The USP1E4R7MDD aluminum electrolytic capacitor is suitable for a variety of applications, including consumer and industrial electronics. It is often used as a noise filter, to reduce electromagnetic interference (EMI) in equipment such as computers, telephones, and amplifiers. Other uses include power supply filters, timing circuits, AC power converters, and voltage dividers.

Working Principle

An aluminum electrolytic capacitor is a polarized electrical component made up of an aluminum foil anode, a separator, and a cathode foil with an electrolyte. When voltage is applied to the terminals of the capacitor, current flows through the aluminum anode and the electrolyte, resulting in the formation of an insulating oxide layer on the anode. This layer acts as an insulator, preventing further current flow through the capacitor.The capacitance of the aluminum electrolytic capacitor is determined by the thickness and surface area of the anode’s oxide layer. The larger the area, the higher the capacitance. The oxide layer can also be made thicker by increasing the voltage applied to the capacitor, resulting in a higher capacitance. This is why aluminum electrolytic capacitors typically have a higher capacitance at higher operating voltages.The higher capacitance combined with the small size of aluminum electrolytic capacitors make them extremely useful in a variety of applications. In conclusion, the USP1E4R7MDD aluminum electrolytic capacitor is a reliable component for a wide range of applications, due to its stability, long life, and relatively high capacitance. Its small size and ESR ratings also make it a good choice for use in noise-sensitive applications such as computer and telephone components.

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