UMA1V4R7MDD1TP Capacitors

Series:	UMA
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	18mA @ 120Hz
Ripple Current @ High Frequency:	27mA @ 10kHz
Lead Spacing:	0.059" (1.50mm)
Size / Dimension:	0.157" Dia (4.00mm)
Height - Seated (Max):	0.236" (6.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum electrolytic capacitors are different types of energy storage components. They are indispensable in many fields of technology including power conversion, audio amplifier, regenerative brake, motor speed control and many others. They are widely used to increase the power efficiency of electronic devices, to store and transfer electrical energy, to stabilize the output of current, and to neutralize the output voltage fluctuations of electrical circuits. The UMA1V4R7MDD1TP is one of the most popular aluminum electrolytic capacitors. This article will discuss the application field and working principle of aluminum electrolytic capacitors generally, and then focus on the UMA1V4R7MDD1TP specifically. Generally, aluminum electrolytic capacitors have a cylindrical construction with a solid metal winding. They are available in various sizes and shapes, but their fundamental characteristics remain the same. The working principle of aluminum electrolytic capacitors is based on the separation of positive and negative charges between an anode and a cathode in a tank filled with an electrolyte (typically a salt solution). In an ideal circuit, the metal terminal is connected to the positive side of the circuit and the capacitor is permanently connected to the negative side. The UMA1V4R7MDD1TP aluminum electrolytic capacitor is frequently used in mains voltage power supplies and audio amplifiers. It features a maximum operating frequency of 1 MHz and a tolerance of 4% on both capacitance value and leakage current. It is an electrolytic capacitor with an extended long-term life, low ESR (equivalent series resistance), and high ripple current capabilities. It also has a low impedance and fast rise time, making it well-suited for high frequency applications such as buck converter and Boost converter. The UMA1V4R7MDD1TP aluminum electrolytic capacitor works by having an aluminum or titanium cathode connected to a large metallic anode by small metal rivets. The anode and cathode are covered with a liquid electrolyte made up of a salt solution that is impregnated in their conducting material. As a current passes through the capacitor the electrolyte reacts, forming a conductive surface layer on the anode. When this occurs, the capacitance of the component increases significantly. The reactive nature of the aluminum of the cathode helps absorb and store the current for an extended period of time and helps avoid the emergency shutdown of the power system. Overall, aluminum electrolytic capacitors such as the UMA1V4R7MDD1TP can be used in mains voltage power supplies, audio amplifiers, and various other applications. They are well-suited for high frequency applications, offering low impedance and fast rise time characteristics. They are also highly efficient and have a long-term life, making them ideal components for energy storage and conversion.

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