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varistor sfi1210sv471 501a ul
SFI1210SV471-501A-UL Overview

The SFI1210SV471-501A-UL is a specific part number of a surface mount varistor designed to protect electronic circuits from damage caused by high voltage surges. The varistor acts as a voltage-dependent resistor, rapidly switching from high resistance to low resistance when the voltage across it exceeds a certain threshold, thereby diverting the surge current and protecting devices connected to the circuit. 

The SFI1210SV471-501A-UL varistor has a maximum voltage rating of 14V and a rated current of 560mA, making it suitable for use in low voltage applications. It is also RoHS certified, indicating that it is free from hazardous substances that could potentially harm the environment or human health.

The "501A" in the middle of its part number indicates that it has a tolerance rating of ±10%. Furthermore, it has a 470pF capacitance, which helps to protect against harmful transients that may occur in the circuit.

With its small size and surface mount form factor, the SFI1210SV471-501A-UL varistor is easy to integrate into various circuit designs. It is useful in electronic devices that are at risk of damage from high voltage surges, such as power supplies, computers, appliances, and more.

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