VE0805L121R008

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TVS - Varistors, MOVs (VE0805L121R008) are widely used in power systems to reduce transient voltage stress that may occur during a surge or spike. It is an effective and cost-efficient method of protecting valuable equipment and sensitive components from high-voltage overshoot. The product is a transient voltage suppressor (TVS) that offers an optimal balance of capacity, leakage current, and clamping voltage between the signal and ground.

Application Field

VE0805L121R008 provides the most effective protection against electrostatic discharge (ESD) and is widely used in automotive electronics, communication line protection, computer peripherals, households appliances, electronics components, and military applications. It is an ideal surge protection device for high speed data line protection over a wide operating temperature (-55°C to 125°C) range. Moreover, its low leakage current and clamping voltage remain stable even when temperature is changing.

Working Principle

This TVS is composed of a metal-oxide varistor (MOV) which is a non-linear two-terminal components based on multilayer ceramics. The operating principle of MOVs such as VE0805L121R008 is based on the voltage-dependent resistivity. When a voltage across the device exceeds its working voltage (Vm), electric conduction will increase rapidly and the device behaves like an ideal resistor replacing its normal resistance. By this way, overvoltage will be released and protected from further damage.

VE0805L121R008 has a peak pulse current of 35A (8/20μs) along with its nanosecond response time. It offers low capacitance and maintains low leakage current resulting in less interference between data signals (Rise time and edge rates in operations) and inevitable increase of the data transmission speed. Additionally, the device features a compact footprint, high surge protection levels and high reliability to reduce system disturbance and protect valuable electronics and components from ESD, voltage transients, and other surge events.

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