ECA-2AM4R7B

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	85mA @ 10kHz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	M
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors: ECA-2AM4R7B Application Field and Working Principle

Aluminum Electrolytic Capacitors (AECs) are an important component of electronic circuits. Their electrical properties make them invaluable in the production of power systems, audio and video cables, and signal generators, among other applications. One particular type, the ECA-2AM4R7B, is gaining attention in the industry due to its compact size and robust performance. This article will explore the functioning of the ECA-2AM4R7B capacitor and its various applications.To begin, it is important to understand the basic structure of an AEC. All AECs have an anode, a cathode, and two electrolyte components. The anode and cathode are typically layers of aluminum foil that, when combined with the electrolytes, form an “insulated layer”. This layer is then coated with a resin-like material (called “conformal coating”) to form the ECA-2AM4R7B capacitor. When electricity is applied to the capacitor, the electrical charge builds up across the insulated layer, generating a voltage across the anode and cathode.The ECA-2AM4R7B capacitor has a high maximal capacitance of 2.8 Farads and a low equivalent series resistance (ESR) of 0.0015 ohms, both of which contribute to its robust performance. It has a broad temperature range of -55 to +125 °C, making it suitable for use in a variety of environments. Additionally, it has a low thermal resistance of <4 K/W and excellent mechanical strength, which make it well-suited for rugged and harsh applications. As a result, the ECA-2AM4R7B is ideal for use in circuits where high capacitance and low ESR are desired.The most common applications for the ECA-2AM4R7B are: power supply circuits, audio and video cables, and signal generators. Power supply circuits require efficient operation and low power consumption, making the ECA-2AM4R7B an excellent fit. In audio and video cables, the capacitor’s low ESR reduces signal noise and ensures maximum signal clarity. Finally, due to its high capacitance, the ECA-2AM4R7B is used in signal generators to create pulsed signals with less distortion.In summary, the ECA-2AM4R7B is an ideal choice for a wide range of applications, including power supply circuits, audio and video cables, and signal generators. Its low ESR and high capacitance, combined with its excellent mechanical strength and wide temperature range, make it a versatile and reliable component in any type of circuit.

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