ST7ETA503

Series:	ST7
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	50 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	3
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Square - 0.252" L x 0.240" W x 0.134" H (6.40mm x 6.10mm x 3.40mm)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

Trimmer potentiometers are miniature circuit components designed to provide very precise resistive divisions for low-voltage applications. They are used in a wide variety of electronic circuits, from low-power hobby applications to hi-tech industrial controls. The ST7ETA503 is a common trimmer potentiometer, which is ideal for precision circuit adjustment and calibration.

Applications

The ST7ETA503 is an accessible, yet remarkably reliable choice for a great range of applications, from the home to the workplace. Its high accuracy and range of functions make it an excellent choice for audio signal applications, such as tone controls and level-adjustment circuitry. These trimmer potentiometers can also be employed as frequency-dividers and filters such as those used in audio signal processors, radios, amplifiers, and other audio circuitry.In addition to audio applications, the ST7ETA503 is also suitable for industrial control and automated systems. It can be used to regulate the speed of motors, adjust pressure settings, and manage temperature controls.The ST7ETA503 is also the perfect choice for applications where space is restricted. It measures only 6.5mm x 8.5mm and is less than 2mm thick. Its flat and compact design consumes minimal space and fits in tight places. What\'s more, its long-life, low-power use and low maintenance requirements make it ideal for small batteries and confined spaces.

Working Principle

The ST7ETA503 is designed to provide a precise resistance division, either between two leads, or between one lead and ground. It comprises a resistor element sealed in a case with two rotary wiper contacts mounted onto its top surface.When the potentiometer is not in use, the resistance division takes place between the two wiper contacts and the outer contacts known as the endpoints. To change the resistance, one of the wipers must be adjusted by turning the adjustment screws on the exterior of the case. This causes the resistance between the wiper contacts and the endpoints to increase or decrease according to the direction of the adjustment.As the contact is adjusted, the resistance between the contacts adjusts as well, and as a result, the total resistance between the endpoints can be finely adjusted. This allows for precise resistive division and calibration of the circuit.

Conclusion

The ST7ETA503 is a highly precise, versatile and reliable trimmer potentiometer that can be employed in a wide range of applications, from low-power hobby devices to advanced industrial controls. It\'s ideal for applications where space is tight, and its low power, long life and easy maintenance requirements make it a very cost-effective choice for regulator circuits. Finally, its superior accuracy makes it an excellent choice for precise resistive division and calibration.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description