ECA-1HM2R2

Series:	M
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	2.2µF
Tolerance:	±20%
Voltage - Rated:	50V
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:	20mA @ 120Hz
Ripple Current @ High Frequency:	34mA @ 10kHz
Lead Spacing:	0.079" (2.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.472" (12.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are polarized, electrolytic capacitors with an anode made of pure aluminum. They are widely used in applications requiring high capacitance and high ripple current.The ECA-1HM2R2 is an aluminum electrolytic capacitor designed for applications in ac-dc, dc-dc and isothermal power systems. It has high capacitance, low ESR and small size, making it ideal for small to medium power applications.

ECA-1HM2R2 Application Field

The ECA-1HM2R2 is a high reliability, miniaturized aluminum electrolytic capacitor. It is used in applications such as dc-dc, ac-dc and vibration-resistant power systems. It is also frequently used in switching power supplies, high ripple current applications, and in the automotive industry.The ECA-1HM2R2 provides a wide range of applications. It is suitable for use in dc-dc converters, inverters and isothermal rectifiers. It has low equivalent series resistance (ESR), allowing for high ripple current protection, which makes it suitable for use in solar cell system. It can also be used in dc-dc power systems requiring an operating temperature range of -55℃ to +125℃. The electrical characteristics of the ECA-1HM2R2 are also suitable for use in power supplies where high peak and ripple currents are required.

ECA-1HM2R2 Working Principle

The working principle of an aluminum electrolytic capacitor is based on a polarized device. The device has two teminals - an anode, made of a pure aluminum foil, and a cathode, made of a foil containing an electrolyte. Electrons are drawn towards the anode and form an electrical double layer at the anode-electrolyte interface. This is the most important factor in determining the capacitance. The capacitance of an aluminum electrolytic capacitor is determined by both the geometry of the electrodes and by the electrical double layer.The ECA-1HM2R2 has a pressure-relief valve to prevent accidental bursting due to over-pressuring in the inner environment. This prevents damage to the capacitor under high ripple current operations. This design also prevents any material migration between the anode and cathode foils, which can affect the capacitance of the capacitor.The capacitor also has a flexible, internal capacitor element to reduce internal mechanical stresses at higher temperatures. This ensures a long lifespan, especially in applications requiring high capacitance and high ripple current.

Conclusion

The ECA-1HM2R2 is an aluminum electrolytic capacitor that is used in a wide range of applications, from dc-dc converters, to inverters and isothermal rectifiers. Its low equivalent series resistance, pressure relief valve and flexible internal capacitor element make it ideal for applications requiring high capacitance and high ripple current.

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