Variable resistor component for fuel level sensing in automotive applications
Commonly used trade names and technical identifiers for Potentiometer/Variable Resistor.
This component is used in the following industrial products
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The potentiometer converts mechanical float arm movement into variable electrical resistance. As fuel level changes, the float moves, changing the wiper position on the resistive track, which alters the output resistance proportionally to fuel volume.
Common failures include resistive track wear, wiper contact degradation, mechanical binding of float arm, and contamination from fuel additives causing increased resistance or open circuits.
Yes, but materials must be compatible. Special resistive tracks and wiper materials resistant to ethanol corrosion are required, along with sealed housings to prevent fuel ingress affecting electrical performance.
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