FBMOV175M Circuit Protection

Varistor Voltage (Typ):	270V
Package / Case:	Axial Cylinder
Mounting Type:	Screw Mount
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	3800pF @ 1MHz
Number of Circuits:	1
Energy:	500J
Current - Surge:	40kA
Varistor Voltage (Max):	297V
Series:	FBMOV
Varistor Voltage (Min):	243V
Maximum DC Volts:	225V
Maximum AC Volts:	175V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVsVaristors, or voltage-dependent resistors (VDRs), are a type of semiconductor device used in circuit protection to protect against overvoltages, typically surges or electrostatic discharge (ESD). MOVs, or metal oxide varistors, are a type of varistor specifically designed to protect equipment from high voltage and current surges caused by power outages, lightning strikes, or other electrical transients.The FBMOV175M is a type of MOV, specifically designed to protect equipment from large voltage surges and currents. It is a 175V rated MOV comprised of two series connected metal plates and a metal oxide layer sandwiched between them. This MOV was specifically developed to provide high levels of surge protection while maintaining the rated voltage levels.The working principle of the FBMOV175M is that it acts as a resistor when the voltage and current levels are within its specified limits and, when the voltage or current rises above its rated value, it changes from a resistor to a device that behaves like a diode, similarly to a Zener diode. This diode type behavior effectively diverts the surge current away from the protected circuits.The FBMOV175M has several advantages over traditional MOVs; it does not require external heat dissipation components in order to function, and it operates in a linear manner, providing stable surge protection at any voltage or current levels. Additionally, its robust construction ensures that it maintains its rated voltage and current levels even after repeated surge events.The FBMOV175M is used in a wide variety of fields and applications, including power plants, industrial automation systems, automotive systems, and medical equipment. It is extremely useful for any application that is regularly exposed to high voltage or current surge events, especially those with a need for consistent and reliable protection.The FBMOV175M is also particularly well-suited for lightning protection applications. Its robust construction and linear working principle allow it to protect against the intense and rapidly changing currents associated with lightning strikes, while its steep current response ensures that equipment is not damaged by the resulting electrical transient.In short, the FBMOV175M is a highly effective Surge Protective Device that can be used to protect a wide range of applications from harsh electrical surge events, with excellent reliability and repeatability. Its robust design coupled with its linear working principle make it an invaluable addition to any system that needs reliable surge protection solutions.

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