V150LA20APX1347

Varistor Voltage (Typ):	240V
Package / Case:	Disc 20mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	1600pF @ 1MHz
Number of Circuits:	1
Energy:	80J
Current - Surge:	6.5kA
Varistor Voltage (Max):	264V
Series:	LA
Varistor Voltage (Min):	216V
Maximum DC Volts:	200V
Maximum AC Volts:	150V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction Varistors, also known as Metal Oxide Varistors (MOVs), are an important component used in electronic equipment for protecting electronic devices from static electricity and excessive current. A varistor is a voltage dependent resistor (VDR) or voltage dependent voltage limiter (VVA) or voltage dependent capacitor (VDA). The main purpose of a varistor is to limit the voltage in an electric circuit, allowing excess current to flow while keeping the voltage within a predetermined range. The V150LA20APX1347 is a varistor that is reliable and efficient in a variety of applications.V150LA20APX1347 Application FieldThe V150LA20APX1347 Varistor is a bi-directional, voltage-dependent resistor that is widely used in various electrical systems. It is suitable for protecting semiconductor equipment, electronic instruments, communication systems, digital computers, and power electronics from overvoltage. The V150LA20APX1347 provides overvoltage protection when placed in series between a power supply and a load.The V150LA20APX1347 varistor is also used in automotive electronics, as a switching voltage regulator and as an anti-surge protector. It is ideal for protecting AC power lines from overvoltage, ensuring the safe operation of household appliances and automotive equipment. The V150LA20APX1347 Varistor is designed to handle high surge currents and have a very low clamping ratio.V150LA20APX1347 Working PrincipleThe working principle of the V150LA20APX1347 Varistor is based on the resistance behavior of the metal plates in the device. The plates are made of a special material that is sensitive to voltage, and as the voltage increases, the resistance also increases. When the voltage exceeds the specific limit, the resistance of the plates suddenly decreases. This sudden decrease in resistance allows the excess current to flow freely from one plate to the other, effectively protecting the circuit.In addition, the V150LA20APX1347 Varistor is designed with built-in surge protection features such as varistor hold-down, surge current limiter, and varistor overshoot protection. The hold-down feature prevents the varistor from collapsing during a surge, while the limiter feature ensures that the varistor does not reach its peak current level and that the energy is dissipated quickly. The Varistor also includes an overshoot protection feature, which prevents the voltage from reaching its overshoot limit and damaging the device.ConclusionThe V150LA20APX1347 Varistor is a reliable and efficient component for protecting electronic devices from static electricity and excessive current. It is suitable for a variety of applications, including protecting AC power lines from overvoltage, automotive electronics, as a switching voltage regulator, and as an anti-surge protector. The principle behind its operation is based on the resistance behavior of the metal plates that make up the Varistor, which become more resistant as the voltage increases, and suddenly decrease when the voltage exceeds the specific limit, allowing excess current to flow freely. The V150LA20APX1347 also includes protection features such as varistor hold-down, surge current limiter, and varistor overshoot protection.

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