EVM-7JSX30BQ5 Potentiometers, Variable Resistors

Series:	EVM
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	470 kOhms
Power (Watts):	0.05W, 1/20W
Tolerance:	±25%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.146" x 0.122" Face x 0.079" H (3.70mm x 3.10mm x 2.00mm)

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The EVM-7JSX30BQ5 is a type of trimmer potentiometer, and its application lies in the preference of its main features. This small potentiometer is able to significantly reduce size and weight, making it the ideal choice for space-saving applications. Furthermore, the precision of its adjustment is unmatched, meaning that a simple adjustment is able to provide incredible accuracy.The EVM-7JSX30BQ5 is also unique due to its no-load torque adjustment capability. This eliminates the need for a series resistor, meaning that adjustment can be carried out with a much greater degree of accuracy. This feature allows for a much more accurate level of calibration and tuning in a wide range of industrial and automotive applications.The EVM-7JSX30BQ5 is designed to be incredibly cost-efficient and reliable. This potentiometer has a long life expectancy, which is further enhanced by its robust construction that is designed to withstand even the toughest of environments. Additionally, this device can also be used in temperatures ranging from 0° to 70°C without impact on performance.The working principle behind the EVM-7JSX30BQ5 can be split into three main sections. Firstly, a variable resistor is placed in series with the main circuit which is affected by the knob’s rotation when it is adjusted. In this way, a varying resistance is created that in turn controls current flow through the main circuit. Secondly, a potentiometer contact spring is used to ensure accurate and consistent contact between the knob and the variable resistor. Finally, the wiper contact is used to guarantee a stable connection between the knob and the resistor.The EVM-7JSX30BQ5 also has an adjustable voltage divider which is created by connecting a switchable resistor between its top and bottom terminals. This allows the voltage at the middle node to be adjusted, which is commonly used as a reference voltage in circuit designs.In conclusion, the EVM-7JSX30BQ5 is a trimmer potentiometer that offers exceptional accuracy and reliability. Its ability to accurately adjust current, voltage and resistance levels makes it a popular choice amongst electronics designers. Its long-life expectancy and ability to withstand tough environments further increase its appeal.

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