Bourns recommends a symmetrical PCB layout with a solid ground plane, and keeping the input and output traces as short as possible to minimize parasitic inductance and capacitance.
The CV201210-2R7K is designed to withstand multiple strikes or repetitive surges, but the number of strikes and surge amplitude can affect the varistor's lifespan. Bourns recommends consulting their application notes for specific guidance.
While the datasheet specifies an operating temperature range of -40°C to 85°C, Bourns recommends derating the varistor's voltage rating above 60°C to ensure reliable operation.
The CV201210-2R7K is designed for low-frequency applications (up to 1 kHz). For high-frequency applications, Bourns recommends using a different varistor model or consulting their application notes for specific guidance.
Bourns recommends considering factors such as the maximum voltage, current, and energy requirements, as well as the operating frequency and environmental conditions. Consult the datasheet and application notes, or contact Bourns' technical support for guidance.
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