EKXJ401ELL151MM40S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.634" (41.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	2.21625A @ 100kHz
Ripple Current @ Low Frequency:	985mA @ 120Hz
Applications:	Automotive
Ratings:	AEC-Q200
Series:	KXJ
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are amongst the most widely used type of capacitors due to its low cost and high energy density. The EKXJ401ELL151MM40S is a product of aluminum electrolytic capacitors, and is made of tantalum as the electrolyte and aluminum foil as the anode. This capacitor has a wide range of applications due to its features, such as high pulse load capability, low impedance, and low ESR (Equivalent Series Resistance) rating. In this article, we will discuss the application fields and the working principles of EKXJ401ELL151MM40S aluminum electrolytic capacitors.

Application Fields

The EKXJ401ELL151MM40S aluminum electrolytic capacitor is suitable for a variety of electronic circuit applications, including:

• Electromechanical actuators
• High speed switching circuits
• DC/DC converters
• High frequency power circuits
• HF (High Frequency) and RF (Radio Frequency) circuits
• Low power consumption circuits
• Stereo, surround sound, and other audio systems
• Voice/Data transmission circuits
• Automotive electronics
• Avionics

Additionally, EKXJ401ELL151MM40S aluminum electrolytic capacitors are also useful in power supplies, frequency control circuits, overhead line filtering, and decoupling circuits.

Working Principles

An electrochemical device, a capacitor is an electrical device with two conducting surfaces, usually separated by an insulating material called the dielectric. When a potential difference is applied across its leads, charges accumulate at the electrodes or conductor plates, and the energy is stored as an electrical field in a dielectric between the plates. The EKXJ401ELL151MM40S aluminum electrolytic capacitor is constructed in a similar manner but using aluminum foil and tantalum as the anode and cathode materials, respectively. When electricity flows through this type of capacitor, it accumulates and stores energy in an electrical field, known as capacitance.Equipped with its own electrolyte, an electrochemical reaction occurs inside the EKXJ401ELL151MM40S aluminum electrolytic capacitor as it accumulates charge, forming a positive surface layer of aluminum oxide on the anode. This layer is then used as insulation between the anode and the electrolyte, which allows the capacitor to store more charge and to maintain its voltage potential over time. The aluminum oxide is also extremely thin, allowing for high charge and discharge rates and giving the capacitor a low ESR rating, making it suitable for high frequency applications. The EKXJ401ELL151MM40S aluminum electrolytic capacitor is thus able to store and efficiently discharge very large amounts of energy, making it ideal for high current applications. It can also withstand high voltage applications, as the aluminum foil is very durable.

Conclusion

The EKXJ401ELL151MM40S aluminum electrolytic capacitor is a powerful and versatile component, suitable for a wide range of electronic circuit applications, such as electromechanical actuators, high speed switching circuits, and DC/DC converters. The aluminum oxide layer that forms on the anode during an electrochemical reaction enables the capacitor to store and rapidly discharge large amounts of energy, as well as to withstand high voltage applications. This makes the EKXJ401ELL151MM40S aluminum electrolytic capacitor an ideal choice for high current and high frequency applications.

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