ST42EA503

Series:	ST42
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	50 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.197" x 0.177" Face x 0.091" H (5.00mm x 4.50mm x 2.30mm)

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Trimmer Potentiometers are electronic components with a wide range of applications and working principles. ST42EA503 is one of these components. It is a three terminal miniature trimmer potentiometer.Trimmer Potentiometers work by reducing or increasing the resistance along a track which is usually mounted in or onto the component itself. ST42EA503 is controlled by a screwdriver, which means that the user can adjust the resistance along the track by the amount required as the application demands.The ST42EA503 has a wide range of possible applications, ranging from the calibration of light dimmers, LCD displays and line current feedback control circuits, to industrial process controlling, and also in consumer audio and video systems. It can also be used as a variable resistor in amplifier circuits, and as a tuning device in radio receivers.In light dimmer applications, ST42EA503 is used to control the level of brightness in an illuminated device, such as a lamp. By adjusting the scrolling resistance, the user can easily reduce or increase the light\'s brightness as desired.In consumer audio and video systems, ST42EA503 can be used to adjust the levels of different audio components in the system. By adjusting the resistance along the tracks, the user can easily regulate the audio levels to a desired level.In modern industry, ST42EA503 finds multiple applications in the process and production control. It is often used as part of a feedback control network that is used to precisely control the process parameters such as temperature, humidity and flow rate. The ST42EA503 has a wide range of resistance values and a linear characteristic, which makes it very suitable for this application.In amplifier circuits, the ST42EA503 is used as a variable resistor. Its resistance can be adjusted to both increase and decrease the gain at certain frequencies, allowing the user to increase or decrease the amplifier\'s overall volume.Finally, the ST42EA503 can also be used in radio receiver tuning. By adjusting the scrolling resistance of the potentiometer, the user can adjust the receiver to the desired frequency, allowing radios to reliably receive signals in the range of available frequencies.Overall, ST42EA503 is a versatile and multifunctional component with a wide range of possible applications and working principles. With its wide range of resistance values and linear characteristic, it is a highly suitable component for various applications requiring fine tuning.

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