LS40K440QP

Varistor Voltage (Typ):	715V
Package / Case:	Encased Disc
Mounting Type:	Chassis Mount
Operating Temperature:	-25°C ~ 85°C (TA)
Capacitance @ Frequency:	1700pF @ 1kHz
Number of Circuits:	1
Energy:	950J
Current - Surge:	40kA
Varistor Voltage (Max):	786.5V
Series:	HighE
Varistor Voltage (Min):	643.5V
Maximum DC Volts:	585V
Maximum AC Volts:	440V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LS40K440QP Application Field and Working Principle

The LS40K440QP is a surface mount-type varistor. This device is designed for transients and over voltage suppression applications. The LS40K440QP is a type of Transient Voltage Suppressor (TVS), also known as a voltage-variable resistor or a Metal Oxide Varistor (MOV). A TVS is a device which is used to protect sensitive electronic components from damage caused by overvoltage and transient voltages. It is an optional device, which can be used in many electrical and electronic systems, providing a level of protection against potential damage. The device is designed to be placed between the power and the electronic component in question, in order to limit the voltage which may reach the component.MOVs are often described as two-terminal electronic components composed of zinc oxide grains with a doorknob-like structure. The MOV works when two metal plates make contact with the zinc oxide particles. The plates create a path through the particles, acting as an element for electrical current to flow. The resulting resistance between the two plates is variable according to the voltage across them. When the voltage increases, the resistance between the two plates decreases. MOVs can function from several millivolts to hundreds of volts depending on the wattage, size, and specific design of the MOV. The LS40K440QP is able to handle up to 40V power supplies and can provide a maximum current handling capacity of 440A. The device is ideal for use in power lines, transceivers, networking equipment, and other applications where it is exposed to large transients. It also offers improved ESD protection.The LS40K440QP MOV is also designed to provide overvoltage protection for electronic devices. It works by providing a stable safe limit to the voltage which can reach the protected device. MOVs are used to protect sensitive electronics from being damaged by a sudden surge of voltage, caused by an external source such as lightning strikes or power outages. The MOV’s superior ability to absorb surges and spike energy helps reduce the possibility of electrical damage. Additionally, the MOV helps prevent the circuit from being overloaded and can help reduce the reaction time of the power supply.In conclusion, the LS40K440QP is an effective solution for both transient and overvoltage protection. The device is suitable for a wide range of applications and provides reliable protection against sudden surges of voltage. With its high current handling capacity and superior ESD protection, the LS40K440QP is an ideal choice for protecting sensitive electronic components from damage.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description