V120MLA1210WA Circuit Protection

Varistor Voltage (Typ):	150V
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount, MLCV
Operating Temperature:	-55°C ~ 125°C (TA)
Capacitance @ Frequency:	80pF @ 1MHz
Number of Circuits:	1
Energy:	2.0J
Current - Surge:	125A
Varistor Voltage (Max):	165V
Series:	MLA
Varistor Voltage (Min):	135V
Maximum DC Volts:	120V
Maximum AC Volts:	107V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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<p>In recent years, the demand for electrical components for protection has increased tremendously and TVS diodes, Varistors and MOVs are some of the most popular electrical components used to protect circuits from surges. Among these components, one of the most commonly used components is the V120MLA1210WA Varistor. This Varistor is a voltage-dependent metal-oxide resistor used to protect circuits from surge voltages. Its application field and working principle are explained in this article.</p> <p><strong>Application Field</strong></p> <p>V120MLA1210WA Varistors are most often used in the protection of telecommunication equipment, signal processing systems, amplifier circuits and digital circuits. These Varistors are designed to protect electronic components from large voltage transient surges such as lightning strikes. The Varistor is also suitable for input/output protection in computer systems, power supplies and other equipment where a fast response is required. Additionally, these Varistors provide surge protection for telephone lines, video lines and LAN cables.</p> <p><strong>Working Principle</strong></p> <p>V120MLA1210WA Varistors are nonlinear voltage-dependent resistors that can offer protection from overvoltage or rectified mains transients. The Varistor is essentially a sandwich of zinc oxide particles in a ceramic binder surrounded by metal upper and lower layers. The metal layers form an anode and a cathode, while the zinc oxide is the active semiconducting region between them. The Varistors reduce the amplitude of surge voltages by passing current through the Varistor. The Varistor is able to reduce the voltage occurring across the Varistor by passing it on to the ground, effectively diverting it away from the equipment it is protecting. The Varistor also offers capacitive filtering to protect digital circuits from electrostatic discharge (ESD).</p> <p>V120MLA1210WA Varistors offer excellent protection from transient voltages. They are highly reliable and work well in all conditions. The Varistor is also low cost and has a long life. Additionally, they are easy to install and can be used in almost any environment.</p> <p>In conclusion, the V120MLA1210WA Varistor is a voltage-dependent metal-oxide resistor used to protect circuits from surge voltages. It is most often used in telecommunications, signal processing, amplifier circuits and digital circuits. It provides surge protection, ESD prevention and capacitive filtering. This Varistor is highly reliable, low cost and easy to install.</p>

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