V22ZA3PX1347

Varistor Voltage (Typ):	22V
Package / Case:	Disc 14mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	14730pF @ 1MHz
Number of Circuits:	1
Energy:	4.0J
Current - Surge:	1kA
Varistor Voltage (Max):	24.2V
Series:	ZA
Varistor Voltage (Min):	19.8V
Maximum DC Volts:	18V
Maximum AC Volts:	14V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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V22ZA3PX1347 Application Field and Working Principle

Introduction TVS - Varistors, also known as Surge Protective Devices (SPDs), is a relatively new technology that provides voltage protection in various applications such as high-voltage power electronics, industrial distribution, medical applications, telecom, as well as outdoor transmission and distribution. The V22ZA3PX1347 is a three-port voltage protection device, developed by Advanced Power Technologies, that incorporates MOVs (metal oxide varistors) and a thermal disconnect (fuse).V22ZA3PX1347 Application FieldThe V22ZA3PX1347 is designed to be installed into a high-voltage power electronics system in order to provide over-voltage and short-circuit protection. It can be used in such applications as wind turbines, solar photovoltaic systems, distributed power applications, as well as medical devices. The V22ZA3PX1347 is designed with a metal oxide varistor that can absorb and dissipate up to 2000V in peak.V22ZA3PX1347 Working PrincipleThe MOVs in the V22ZA3PX1347 is responsible for the voltage protection of the system. The MOVs are made of zinc and oxide particles that form a highly conductive metal oxide material. The electrical resistance of the MOVs will decrease when the voltage is increased, allowing more current to flow.The V22ZA3PX1347 then combines the MOVs with a thermal disconnect (fuse). The fuse is responsible for the short-circuit protection of the system. If a short-circuit is sensed, the fuse will instantaneously break the circuit, disrupting the flow of current and protecting the system from further damage.ConclusionThe V22ZA3PX1347 is a powerful voltage protection device that incorporates both MOVs and a thermal disconnect (fuse). It is designed to be integrated into a high-voltage power electronics system in order to provide over-voltage and short-circuit protection. Its MOVs can absorb and dissipate up to 2000V in peak and its fuse will break the circuit in cases of short-circuits in order to avoid further damages.

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