AMCV-1812H-850-T

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TVS - Varistors, MOVs
TVSs (Transient Voltage Suppressors), also referred to as varistors (variable resistors) or MOVs (Metal Oxide Varistors) are devices that help protect electronic components from destructive surges and spikes in voltage. These transient voltage suppressors, along with other components such as capacitors, solid state relays, and snubber networks form an often combined protective circuit. This article explores the application field and working principle of the AMCV-1812H-850-T.The AMCV-1812H-850-T is a MOV/TVS based transient voltage suppressor with solid aluminum oxide construction. The housing is non polar and the device has a Peak/Clamping Voltage of 850V and response time of 2ps. It can be used for communication, AC power line, and DC/DC converters in commercial and industrial applications.The working principle of the AMCV-1812H-850-T is based on the physical property of the solid aluminum oxide as a voltage dependent resistor. When a surge to a power line, or other electronic component, is detected, the MOV/TVS device will act as a resistor to reduce the voltage. This reduction in voltage serves to protect the components from further damage.The MOV/TVS device works on electrical principles such as capacitance and resistivity. When the voltage across the MOV/TVS reaches its peak, it provides a “clamping” action which limits the voltage across the device. At this point, due to the capacitance of the aluminum oxide, the current flow across the MOV/TVS is limited. This allows for a softening of the surge and, as a result, the device will dampen the surge, providing voltage protection.Other attributes of the AMCV-1812H-850-T are its UV and temperature protection. The device has a protection mount, allowing it to be mounted to a solid state switch or relay to provide additional voltage protection to the load side of the switch. Additionally, the AMCV-1812H-850-T has a high surge immunity rating, allowing for reliable protection of sensitive components in the circuit. Lastly, the device has an operating temperature range of -55°C to 125°C, making it suitable for most industrial and commercial applications.In summary, the AMCV-1812H-850-T MOV/TVS device provides an effective means for protecting electronic components against transient voltage surges. The device’s solid aluminum oxide construction and its associated capacitance and resistivity allow for an effective clamping of voltage while also providing UV and temperature protection. With its various features, the AMCV-1812H-850-T device is suitable for a wide variety of commercial and industrial applications.

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