EKMH401VSN181MR30T

Series:	KMH
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	400V
ESR (Equivalent Series Resistance):	1.381 Ohm @ 120Hz
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	920mA @ 120Hz
Ripple Current @ High Frequency:	1.3156A @ 100kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Height - Seated (Max):	1.181" (30.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum electrolytic capacitors are widely used in electronic devices, from small components in cellular phones to large components in stored energy applications. They are made of aluminum foil treated with electrolyte and rolled into a cylindrical form. The aluminum is often etched with ridges which act as an insulating medium and increase the capacitance value of the device. With different types of capacitors a single device can store energy on one side and discharge it on the other.The EKMH401VSN181MR30T is an aluminum electrolytic capacitor designed with an extra long life rated at 6,000 hours at rated temperature and voltage conditions. It’s an axial-leaded type with stud terminal block design, which makes installation easier. It features a Ø18mm diameter, and is made from 30 pieces of high-grade stainless steel with a thickness of 3mm. With a maximum operating temperature of 105°C and capacitance value of 10000 μF, this device can be used in a wide range of applications.The applications for the EKMH401VSN181MR30T include those of energy storage and supply, power filters, registers and rectifiers, power filtering, and various industrial and consumer electronics devices. Its capacitance value, along with its ultra-long life capacity and reliable electrical characteristics make it suitable for power filters, registers rectifiers, and energy storage applications.The working principle of the EKMH401VSN181MR30T is based on the fact that electric field lines will form when a voltage source is introduced to two metallic electrodes. These field lines allow electrons to pass between the electrodes to form electric current flow. In the case of the capacitors, the two metallic electrodes (aluminum foil and electrolyte-soaked aluminum foil) create an environment where electrostatic field lines are created. This electrostatic field lines cause electrons to flow and build up a charge on each side of the device. Thus, the device starts to act as a capacitor and supply or store energy. The aluminum electrolytic capacitors operate on an electrochemical principle. A chemical reaction of electrolysis takes place between two aluminum foils and the oxidation agent. When AC current is passed through the device, positive polarity is developed on one electrode resulting in electrolysis, which produces oxide ions on the negative electrode. Over time, these oxide ions recombine with oxide ions on the other side to form an insulating layer, which increases the device\'s capacitance. Depending on the device’s type, the deposited oxide is either soluble or non-soluble. In case of the EKMH401VSN181MR30T, the oxide is non-soluble.The advantages of using aluminum electrolytic capacitors include their small size, long lifetime, low leakage, high operating temperatures characteristics and large capacitance values. However, one of the disadvantages of using aluminum electrolytic capacitors is that they have higher ESR values than other capacitor types.In conclusion, the EKMH401VSN181MR30T Aluminum Electrolytic Capacitor is a reliable component used in many industrial and consumer electronics applications. It’s high capacitance value and ultra-long life make it a suitable choice in filtration, energy storage and rectifying applications. Its working principle is based on the electrochemical reaction of electrolysis, which produces an insulating layer and increases the capacitance value of the device. It has the advantages of having long life, low leakage, and high operating temperatures, as well as a large capacitance value. The only downside is that it has higher ESR than other types of capacitors.

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