V68RA8 Circuit Protection

Series:	RA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	40V
Maximum DC Volts:	56V
Varistor Voltage (Min):	61.2V
Varistor Voltage (Typ):	68V
Varistor Voltage (Max):	74.8V
Current - Surge:	250A
Energy:	3.0J
Number of Circuits:	1
Capacitance @ Frequency:	600pF @ 1MHz
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Through Hole
Package / Case:	Radial, Box

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TVS - Varistors, MOVs

Varistors, also known as Voltage-dependent Resistors (VDRs), are electronic components used to protect circuits against over-voltage transients. The device usually consists of an array of metal oxide powder compressed between two metal plates. When connected to a circuit, the resistance of the varistor changes with the applied voltage. This, in turn, causes current to increase or decrease, thereby providing circuit protection from excessive voltage. The V68RA8 is a Metal Oxide Varistor (MOV) with an ESD+Amplitudinal Protector (AMP) designed for circuit protection in communications, industrial, electrical, and automotive applications. This particular varistor has a 500VAC rating and a 125pF capacitance. The maximum surge rating of this varistor is 40A (8/20μs).The working principle of a varistor is based on the fact that the resistance across the device changes with the applied voltage. When the voltage across the varistor exceeds its rated voltage, the varistor begins to conduct, increasing its current, and, in doing so, absorbs and dissipates most of the excess energy. By dissipating the excess energy, the varistor is able to protect the circuit from permanent damage. The V68RA8 has a range of features which make it an ideal choice for circuit protection. These features include a highly durable design, a low leakage current, and a fast response time. Another advantage is that the V68RA8 is RoHS compliant, meaning it is safe to use.The V68RA8’s wide range of applications include over-current protection in AC/DC power supplies, ESD protection in Ethernet ports, and other types of surge protection in communications, industrial, electrical, and automotive applications. Additionally, the varistor can be used in the protection of sensors, photoelectric cells, and other AC/DC circuits.In conclusion, the V68RA8 is a Metal Oxide Varistor that is ideal for providing circuit protection in a variety of applications. The device features a high surge rating and a fast response time, making it highly suitable for safeguarding circuits against over-voltage transients. The wide range of applications and RoHS compliant design make the V68RA8 an ideal choice for a variety of applications.

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Part Number	Manufacturer	Price	Quantity	Description