ECE-A1HKA4R7

Series:	KA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	23mA @ 120Hz
Ripple Current @ High Frequency:	39.1mA @ 10kHz
Lead Spacing:	0.059" (1.50mm)
Size / Dimension:	0.157" Dia (4.00mm)
Height - Seated (Max):	0.276" (7.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum electrolytic capacitors are an electronic component type used in most electronic devices such as computers, refrigerators, amplifiers, and televisions. They offer numerous advantages that set them apart from other capacitor types. One such advantage is the large capacitance they can offer in an extremely small size. They are also generally low-cost, stable, and reliable components. The ECE-A1HKA4R7 aluminum electrolytic capacitor is a classic example of this type of capacitor and a closer look will reveal more about its application fields and working principle.The ECE-A1HKA4R7 is an axial aluminum electrolytic capacitor with a capacitance of 4700 microfarads and an operating temperature range from -40° to 105°C. This type of capacitor is often used in low-power circuit applications, including digital logic circuits, signal coupling, and AC line filtering. It is also suitable for a variety of general purpose applications, such as motor start/run circuits, motor cycling, and relay control circuits.Electrolytic capacitors, including the ECE-A1HKA4R7, are constructed of two pieces of aluminum foil rolled into a cylinder and separated by a dielectric layer of aluminum oxide. A liquid electrolyte, typically a mixture of ethylene glycol and distilled water, fills the gap between the two foil pieces completing the electrical circuit. The aluminum oxide layer on the surface acts as a dielectric, providing a barrier between the positive and negative electrical fields of the capacitor, preventing current from flowing directly between the positive and negative plates.Because of the extremely thin dielectric layer and the large amount of stored energy, aluminum electrolytic capacitors offer a very large capacitance and potential for high ripple current voltages in an extremely small form factor. This makes them a perfect choice for applications requiring high capacitance but where space is at a premium.The ECE-A1HKA4R7 capacitor also offers a high degree of reliability thanks to its high durability rating. This rating is determined by the total number of hours the capacitor can operate within its operating temperature range before it reaches its maximum temperature, and the ECE-A1HKA4R7 can operate up to 10000 hours. Additionally, this capacitor is also very efficient, offering up to 93% efficiency at higher temperatures.In conclusion, the ECE-A1HKA4R7 aluminum electrolytic capacitor offers excellent performance in a variety of applications and is a great choice for those looking for a reliable and efficient component. It offers a large capacitance and high ripple current voltages in a small package, making it ideal for low-power circuit applications such as digital logic circuits, signal coupling, and AC line filtering. It is also very durable and efficient, offering up to 10000 hours of operating time and up to 93% efficiency at higher temperatures.

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