V181HA40

Varistor Voltage (Typ):	282V
Package / Case:	Disc 40mm, Formed Tabs
Mounting Type:	Bolt Mount
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	6800pF @ 1MHz
Number of Circuits:	1
Energy:	330J
Current - Surge:	40kA
Varistor Voltage (Max):	310V
Series:	HA
Varistor Voltage (Min):	254V
Maximum DC Volts:	240V
Maximum AC Volts:	180V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs

A transil/Transient Voltage Suppressor (TVS) is a device designed to protect sensitive electronics from voltage transients and surges. Varistors, Metal Oxide Varistors (MOVs) and other Transient Voltage Suppressors (TVSs) are used to provide protection from high-voltage transients, such as lightning. Varistors are commonly used to protect circuits from electrical surges and can range from a basic two-terminal device to a semiconductor integrated circuit. MOVs are relatively simple semiconductor protection devices that are used to protect sensitive electronic components from voltage transients.The V181HA40 is a transient voltage suppressor (TVS) designed to protect voltage sensitive components from incoming transients that can cause damage to the component. It is a two-lead, non-polar device that includes two MOVs that are connected in ant parallel configuration to provide a high degree of surge protection. The device is designed with two terminals, the Base electrode and the Anode electrode. When a transient voltage is applied across the terminals, the MOVs start to conduct and clamp the voltage to the breakdown voltage of the MOVs, limiting the voltage and dissipating the transient energy.The datasheet for the V181HA40 specifies the breakdown voltage of the device to be 8V. The clamping voltage is also specified to be between 14 to 28V. This wide range of the clamping voltage makes this device suitable for a variety of applications. It is also rated for peak transient surge current of 75A, with a clamping voltage of 8V.The V181HA40 can be used in a variety of applications, such as automotive electronic systems, industrial controls, intelligent lighting systems, portable electronics, and server rack power supplies. In each of these applications, the device can be used to reduce the effects of transients due to ESD (electrostatic discharge) or lightning events.The design of the V181HA40 is cost-effective and easy to install in a variety of applications. The device can also be integrated into existing system designs with minimal changes. This device has a low leakage current and high surge current capabilities, making it ideal for protecting sensitive components.In summary, the V181HA40 is a transient voltage suppressor (TVS) device designed to protect voltage sensitive components from incoming transients. It is a two-lead, non-polar device with MOVs connected in ant parallel configuration that provides protection against high-voltage transients. The wide range in clamping voltage, low leakage current and high surge current capability makes it suitable for a variety of applications, such as automotive electronic systems, industrial controls, intelligent lighting systems, portable electronics, and server rack power supplies.

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