ERZ-E11F331

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Varistors, also referred to as Varistor MOVs (Metal Oxide Varistor MOVs) are an important part of the electrical system. Varistors are special kind of four-layer semiconductors that monitor incoming AC (Alternating Current) voltage and instantaneously switch to protect the connected circuit from voltage surges. A variety of types of Varistor MOVs are produced by various companies, including the ERZ-E11F331 from Advantech.

The ERZ-E11F331 is a low cost metal oxide varistor used mainly for shielding, blocking, and protective applications. This particular varistor is made with manganese and zinc oxide, with the epoxy resin integrated and cured. It mainly works to provide protection against voltage surges and transients on the power line, significantly helping to keep equipment safe. The ERZ-E11F331 has excellent temperature, humidity, and frequency characteristics, allowing it to provide better protection across all types of operating conditions.

The main application field of the ERZ-E11F331 is in home appliances, electrical motors, power controllers, UPS, power boxes, and circuits of adjustable and electronic lighting. Additionally, the device is well suited for high frequency applications due to its good temperature stability.

The ERZ-E11F331 is a non-linear device and works on the principle of memristance. The device conducts a certain portion of input power to ground, creating a shunt path to ground. The device works to absorb any irregular surges, eliminating peak voltages and clamping of waveforms. Bending and over voltage components cause the device to begin operating in the linear region, causing a voltage drop and resulting in a current draw. This causes the voltage to drop and energy to be transferred.

The ERZ-E11F331 can typically absorb peak voltages up to 11 KV in a 1/5 cycle (one microsecond) pulse. During lulls in the voltage, the device is designed to strongly autorecover its conductivity, allowing it to act instantaneously in the event of a higher voltage pulse or surge.

With its high current withstanding capability, low loss properties, and strong Lightning-proof function, the ERZ-E11F331 is an excellent choice for many applications. The device is easily implemented in circuit designs, providing enhanced protection for both the power line and the connected equipment against voltage surges.

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