VE17M03850K--

Varistor Voltage (Typ):	620V
Package / Case:	Disc 17mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TA)
Capacitance @ Frequency:	350pF @ 1kHz
Number of Circuits:	1
Energy:	42J
Current - Surge:	4.5kA
Varistor Voltage (Max):	682V
Series:	--
Varistor Voltage (Min):	558V
Maximum DC Volts:	505V
Maximum AC Volts:	385V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVsVaristors,Metal Oxide Varistors (MOVs), and Transient Voltage Suppressors (TVSs) are very important components of electrical circuits, and they are classified as protection devices for the control and protection of electrical signals.The VE17M03850K is a type of Varistor which belongs to the class of TVS – Varistors, MOVs. The product ID VE17M03850K is a varistor designed to provide transient voltage suppression to protect electronic circuits from damage due to electrical transients.A Varistor is a voltage sensitive component that has a highly nonlinear resistance-current characteristic. It is able to limit current, prevent over-voltage, and protect against electrostatic discharge. It can be used to limit the maximum voltage spike on a single spike occurring from an inrush current or due to a surge voltage that may be present on an AC line.VE17M03850K is a bidirectional protection device with two terminals, inherently containing both AC and DC voltage suppression capabilities. It provides protection against both unidirectional and bidirectional electrical transients, such as electrical surges, inductive spikes, and electrostatic discharges.The VE17M03850K is a bidirectional protection device with two terminals, featuring high transient voltage protection for both AC and DC application areas. It is commonly used in the telecommunications, computer, industrial control, and consumer electronics sector due to its high surge current capability and high line isolation.The VE17M03850K supports polarised overvoltages and therefore can be used in any kind of circuit or equipment to prevent failure due to transient voltage. It also provides bidirectional protection against transients caused by lightning and electrostatic discharge.The working principle of the VE17M03850K is based on the varistor effect. The varistor effect is an effect caused by a device that has a non-linear voltage-current characteristic, namely the varistor. A varistor is a two-terminal device that consists of a semiconductor layer an electrolyte layer which is usually composed of zinc oxide particles in a ceramic binder.The varistor effect is based on the fact that the device has a nearly linear resistance-current curve, and the voltage across the terminals of the device is also very linear. When an AC voltage is applied to the terminals, the voltage across the terminalsas well as the current passing through the device will both depend on the AC waveform and the frequency of the AC voltage.Furthermore, the varistor effect allows the device to absorb the energy from an overvoltage condition, thus reducing the potential for any damage to the electronic components. The varistor also has the characteristics of a capacitor, thus offering improved EMI protection.In summary, the VE17M03850K is an electrostatically-protected varistor, a device used to protect electronic circuits and equipment from transients caused by lightning, power surges, and electrostatic discharge. It provides bidirectional protection for both AC and DC application areas, with a high surge current capability and high line isolation. The device is suitable for use in telecommunications, computer, industrial control, and consumer electronics sectors. Its main working principle is based on the varistor effect, which enables it to absorb energy from overvoltage conditions and thus protect the electronic components from damage.

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