ST42EG103

Series:	ST42
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	10 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.197" x 0.177" Face x 0.224" H (5.00mm x 4.50mm x 5.70mm)

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Introduction to ST42EG103

ST42EG103 is a type of trimmer potentiometer manufactured by ST Microelectronics. It is a versatile tool designed to adjust electrical signals with precision. The ST42EG103 has a broad range of application fields which includes electronic tuning, gain adjustment, linear current control, and position sensing. The device incorporates a high-precision, multi-turn sliding element with an integrated contactless sensor to enable precise adjustments over a limited range.

Application Fields

The ST42EG103 is primarily used in electronic tuning and gain adjustment. The ST42EG103 offers a wide range of settings which can be used to accurately calibrate and adjust the gain of an audio system. This makes it useful for achieving a uniform sound performance. Additionally, the ST42EG103 is also widely used in position sensing applications, such as speed and angle sensors, where accurate readings need to be taken over a limited range.The ST42EG103 is also used in linear current control applications. These applications typically require precision to avoid unwanted current fluctuations. The ST42EG103 provides the precise voltage or current control necessary for a smooth transition and uniform results.

Working Principle

The ST42EG103 utilizes a high-precision, multi-turn sliding element combined with an integrated contactless sensor to enable precise adjustments over a limited range. The operation of the device is based on the principle of a Hall Effect semiconductor, which generates a signal in response to a magnetic field. This signal is then sent to the associated circuits to provide the adjustments necessary for the application.During operation, a mechanical movement or voltage across the potentiometer causes the associated components to deflect. This deflection creates a change in the magnetic field, which in turn is detected by the Hall Effect semiconductor to generate the corresponding signal. This signal is then sent to the associated circuits to control the desired action.

Conclusion

In conclusion, the ST42EG103 is a versatile trimmer potentiometer that is used to adjust electrical signals with precision. The device is primarily used in electronic tuning and gain adjustment, position sensing applications, and linear current control applications. The ST42EG103 incorporates a high-precision, multi-turn sliding element and an integrated contactless sensor to enable precise adjustments over a limited range. Through the use of Hall Effect semiconductor technology, the ST42EG103 is capable of generating a signal in response to a magnetic field and sending it to the associated circuits to provide the necessary adjustments.

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