VDRS05A030TME

Series:	VDRS
Part Status:	Active
Lead Free Status / RoHS Status:	--
Maximum AC Volts:	30V
Maximum DC Volts:	38V
Varistor Voltage (Min):	42.3V
Varistor Voltage (Typ):	47V
Varistor Voltage (Max):	51.7V
Current - Surge:	100A
Energy:	1.1J
Number of Circuits:	1
Capacitance @ Frequency:	700pF @ 1kHz
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	Disc 7mm

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TVS - Varistors, MOVs

Varistors, also known as voltage-dependent resistors (VDRs), are three-port, non-linear, solid-state electronic components used to regulate or control the flow of electric current between two other electronic devices. VDRs are used in a wide range of applications including power supplies, circuit protection, and signal modulation. The VDRs used in these applications are usually based on either a metal oxide or a diode-based design. The VDRs are characterized by their responses to the electrical stresses imposed on them. In particular, the VDRs used in this application field, VDRS05A030TME, are three-port metal oxide varistors (MOVs). MOVs are widely used in many applications for protecting circuits against overvoltages and transients. They work by absorbing transient voltage spikes and limiting the maximum voltage that the circuit can sustain. MOVs are usually built with a ceramic disk containing a metal oxide powder and are connected to two electrodes. When an overvoltage occurs, the metal oxide particles inside the ceramic disk become resistive and the voltage across the MOV increases slowly. This slow voltage rise is known as the varistor effect and it means that the MOV behaves as a voltage-dependent resistor. This causes the MOV\'s resistance to increase and limits the maximum voltage across the MOV. Since the voltage will eventually reach a maximum, current will be clamped and the energy of the overvoltage spike will be dissipated in the form of heat. This is the basic working principle of MOVs. As the voltage increases, the resistance of the MOV will also increase, limiting the amount of current that can flow through it and hence, limiting any possible damage. In the application field of VDRS05A030TME, the MOVs are used to protect electronic devices from voltage surges that could otherwise damage them. The MOVs can absorb high voltages which would otherwise damage the electronic components and limit the maximum voltage across them. MOVs are usually used in conjunction with other protective components, such as fuses and surge arresters, to provide comprehensive protection for electronic circuits. MOVs are relatively inexpensive and easy to install, making them an attractive solution for many applications. Overall, VDRS05A030TME are three-port MOVs used for various protection requirements in electronic circuits. They are known to be highly reliable and efficient in protecting against overvoltages and transients. The three-port design of MOVs allows for simple installation and maintenance, making them a cost-effective protective solution for many applications.

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