EPAG421ELL151MM40S

Series:	PAG
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	150µF
Tolerance:	±20%
Voltage - Rated:	420V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	790mA @ 120Hz
Ripple Current @ High Frequency:	1.185A @ 100kHz
Lead Spacing:	0.295" (7.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Height - Seated (Max):	1.654" (42.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are reliable and cost effective passive components used in many electronic circuits for power supplies, instrumentation, medical, automotive and home electronics applications. The EPAG421ELL151MM40S capacitor is a common capacitor component and is primarily used in applications such as coupling, bypassing, decoupling, and noise filtering. It can also be used as a timing element for signal delay and for storing energy.

Construction

The EPAG421ELL151MM40S capacitor consists of two aluminum foil electrodes which are separated by a paper dielectric layer soaked in an electrolyte liquid of ethylenediamine tetraacetic acid (EDTA). The electrolyte solidifies after the capacitor has been polarised and a sealant is then used to complete the assembly. The leads are made of solderable leg which connects the capacitor to the circuit board. The capacitor is encased and protected with an epoxy resin body painted in a light orange colour.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the charging and discharging of an electrical current across a metal/dielectric interface. This type of capacitor has two metallic plates one charged positively and the other negatively. An electrolyte is then used to bridge this gap and separate the plates a short distance apart. This allows the capacitor to store charge and energy which is picked up each time the capacitor is charged and discharged.When a voltage is applied to the capacitor, electrical current will flow across the plates. This will also create a charge on one of the plates, and the absorbed charge will be stored in the electrolyte. This process will cause the other plate to become negatively charged and attract the charges to settle on the negative plate, creating a voltage difference between the two plates. The energy stored during the charging process will be released each time the capacitor is discharged, causing current to flow between the plates and across the electrolyte.

Applications

The EPAG421ELL151MM40S capacitor is mainly used in applications where a high capacitance to volume ratio is needed. Typical applications include bypassing, decoupling, coupling, noise filtering and signal delay. It is usually used in circuits where a low ESR capacitor is needed such as power supplies, instrumentation and timing in medical, automotive and home electronics applications.The EPAG421ELL151MM40S capacitor is a highly reliable component that can withstand vibration and extreme temperatures. It is designed to handle high ripple currents and high frequencies, making it suitable for applications where a low ESR capacitor is needed. The capacitor\'s small size and light weight also makes it easy to install in tight spaces and hard to reach places.

Conclusion

The EPAG421ELL151MM40S capacitor is an aluminum electrolytic capacitor that is used in a wide range of applications such as bypassing, decoupling, coupling, noise filtering, and signal delay. Its small size, light weight and high capacitance to volume ratio make it ideal for applications where a low ESR capacitor is required. The capacitor is highly reliable and is designed to handle high ripple currents and high frequencies. This makes it suitable for use in power supplies instrumentation and timing in medical, automotive and home electronics applications.

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