ELXS421VSN121MQ25S

Series:	LXS
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	120µF
Tolerance:	±20%
Voltage - Rated:	420V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	810mA @ 120Hz
Ripple Current @ High Frequency:	1.1583A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Height - Seated (Max):	1.083" (27.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that impoves the reliability of electronic systems. This type of capacitor is made up of an aluminum foil that acts as the anode (positive side) and a solid dielectric foil which acts as the cathode (negative side). Between the two foils, a thin electrolytic is present, with a separator inside it to prevent shorting. The electrolyte solution is filled with electrolyte in the form of an ionized solution.The main characteristic of aluminum electrolytic capacitors is their high volumetric efficiency. This means that their capacitance is significantly higher than other capacitors, including ceramic and film capacitors. They also have excellent temperature characteristics and high stable capacitance, making them ideal for use in high performance or high-voltage applications.

ELXS421VSN121MQ25S application field and working principle

The ELXS421VSN121MQ25S capacitor is an ultra-high voltage, high capacitance, low ESR aluminum electrolytic capacitor. It is designed to be used in a wide range of applications, including automotive, industrial, medical, and power supplies.The working principle of this capacitor is based on electrolysis. When two electrical terminals called the anode and cathode are connected to a conductive solution, a reaction takes place. The anode acts as the positive terminal and the cathode as the negative terminal. The current flows through the electrolyte solution, producing electrolytes ions which dissolve into the electrolyte and form an ionic layer on the electrodes. This current flow creates a charge separation, which results in a capacitance between the two plates, and the capacitor stores the energy as an electric field. The ELXS421VSN121MQ25S capacitor has a rated operating voltage of 350 VDC and a temperature coefficient of -1.5 % / oC. It has a very low ESR of 0.3 mohm and its ripple current is 2-4 times higher than non-solid aluminum electrolytic capacitors. This allows for ultra-high voltage applications for high-frequency applications, such as power supplies. The ELXS421VSN121MQ25S capacitor also has a wide temperature range from -25 oC to +85 oC so it can be used in extreme environments. The capacitor also has a high-reliability design with a long lifespan and a high volume efficiency, as well as excellent dielectric strength and moisture resistance. This capacitor is also highly reliable and has a long lifetime, making it an excellent choice for applications that require high performance and durability. The ELXS421VSN121MQ25S also delivers power at a relatively high efficiency and is an affordable solution for electronics designers. In conclusion, the ELXS421VSN121MQ25S capacitor is an excellent choice for high-voltage applications, as it combines a high capacitance and low ESR in a reliable and inexpensive package. Its versatility and low cost make it a popular choice for many industries, from automotive to medical and industrial applications.

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