V300LC4PX2855

Varistor Voltage (Typ):	470V
Package / Case:	Disc 7mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	70pF @ 1MHz
Number of Circuits:	1
Energy:	25J
Current - Surge:	1.2kA
Varistor Voltage (Max):	517V
Series:	LC
Varistor Voltage (Min):	423V
Maximum DC Volts:	405V
Maximum AC Volts:	300V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS (Transient Voltage Suppressor) devices, such as Varistors, MOVs, and V300LC4PX2855, seek to protect electronic components from electrical transients which can cause damage to the component over time. The purpose of TVS devices is to protect components in a cost-effective way by limiting the voltage and current transients they may experience over the course of its normal operation. The V300LC4PX2855 is a metal-oxide varistor, which is part of a larger TVS class of devices known as varistors.

The V300LC4PX2855 is designed to protect high power electronic circuits from overvoltage transients. This Varistor is a stainless steel coating over a ceramic pellet, in which a very thin film of metal oxide is deposited. The resulting Varistor is designed to provide protection to a circuit from transient voltages by diverting the excessive current away from the circuit, thus preventing damages from occurring. The V300LC4PX2855 also features an internal overvoltage protection, as it has an integrated temperature sensor which prevents it from overheating.

The V300LC4PX2855 is designed to provide protection to sensitive electronic components from transients. This Varistor is suitable for use in applications where high voltage, current, or temperature transients are expected. Common applications for the V300LC4PX2855 include Personal Computer (PC), Cellular Phone, and Automotive Electronics. Additionally, the Varistor is also suitable for use in voltage-regulated power supplies, bipolar and MOSFET circuits, transistors, and other electronic components. The device offers voltage protection up to an incredibly high threshold of 280 volts and can be used with a wide range of AC or DC currents.

p>The working principle of the V300LC4PX2855 is simple. When a voltage transient is experienced, the Varistor is designed to absorb the energy and divert it away from electronic components. The Varistor works by using its inherent resistance to temporarily lower the working power of the circuit under the influence of the transient. This reduces the amount of current that passes through the device and the voltage level reaching the circuit is lowered, thus preventing damage. The Varistor is designed to move quickly back to its normal, undamaged state afterward.

In summary, the V300LC4PX2855 is a high-performance metal-oxide varistor designed to protect sensitive electronic components from transients. This device is best suited to applications where high voltage, current, or temperature transients are expected. The working principle of the Varistor is simple, it absorbs the energy of the transient and diverts it away from the electronic component in order to protect it from harm. With its incredibly high voltage protection threshold of 280 volts, the V300LC4PX2855 is an ideal choice for protecting a wide range of AC and DC circuits.

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