B72214S0681K331

Varistor Voltage (Typ):	1.1kV
Package / Case:	Disc 14mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C (TA)
Capacitance @ Frequency:	180pF @ 1kHz
Number of Circuits:	1
Energy:	140J
Current - Surge:	4.5kA
Varistor Voltage (Max):	1.21kV
Series:	StandarD
Varistor Voltage (Min):	990V
Maximum DC Volts:	895V
Maximum AC Volts:	680V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Varistors, MOVs

A varistor, or Metal Oxide Varistor (MOV), is an electrical component that is used to protect electronic circuits and devices from voltage spikes. The B72214S0681K331 is a popular varistor in the industry and is often referred to as a “surface mount varistor.” It is designed to handle high-frequency transients and protect against voltage surges. Below we will discuss the application field for the B72214S0681K331 varistor and the working principles behind it.

Application Field

The B72214S0681K331 varistor can be used in a variety of applications. It is primarily used in industrial equipment, such as programmable logic controllers, automation equipment, lighting systems, power supplies, and motors. It is also popular for use in the consumer electronics and telecoms industries. Due to its small size, it can also be used in portable electronics, such as laptops and cell phones.

Working Principles Behind the B72214S0681K331 Varistor

The B72214S0681K331 varistor is an innovative device that combines two essential functions: it provides transient overvoltage protection and also provides a constant current limiting device. As a transient overvoltage protection device, it works by absorbing any sudden and unpredictable overvoltage. This helps guard the equipment and prevents it from being damaged by voltage surges. It also serves as a current limiting device, as it allows for a constant current flow while limiting any sudden and high voltage-caused currents.The B72214S0681K331 varistor is made up of several layers. The inner core consists of zinc oxide (ZnO) particles, while the outer layer consists of a metal film and electrodes. The metal film provides a low-resistance path for the current, while the electrodes connect to the metal film and provide a connection to the circuit. When a transient overvoltage occurs, the inner ZnO particles absorb the surge and create an electric field that is equal to the applied voltage. This electric field induces a current in the device, which helps the inner ZnO particles dissipate the overvoltage.When used as a current limiting device, the B72214S0681K331 varistor works by allowing a constant current to flow. The current is limited to the maximum rated value for the varistor. If a current surge outside of this value occurs, the varistor will automatically disconnect its electric field in order to protect the equipment and prevent damage.The B72214S0681K331 varistor is an invaluable device for protecting delicate electronics from voltage spikes. Its wide range of applications and efficient working principles make it a popular choice for industries all across the world. It is also essential for companies that need to reduce downtime and protect their valuable equipment and systems.

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