ST5EP101

Series:	ST5
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	100 Ohms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	14
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Square - 0.236" x 0.266" Face x 0.169" H (6.00mm x 6.75mm x 4.30mm)

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Trimmer Potentiometers: ST5EP101 Application Field and Working Principle

Trimmer potentiometers are small, adjustable electronic components that are used to adjust voltages, resistance values, or current flow in electrical circuits. The popular ST5EP101 trimmer potentiometer is a small, cost-effective part suitable for use in various applications, such as multifunctional amplifier, audio systems, and radio receivers.

Terminology

In order to better understand the ST5EP101 trimmer potentiometer, it is important to know the terminology associated with this device. Trimmer potentiometers are made up of three terminals: a start terminal, an end terminal, and a third terminal that is used for adjustment. The start and end terminals carry the electrical current, while the adjustment terminal changes the resistance value of the trimmer potentiometer. The start terminal is also referred to as the “increase” or “clockwise” terminal, while the end terminal is called the “decrease” or “counterclockwise” terminal.

Applications

The ST5EP101 trimmer potentiometer is a versatile component used in a variety of applications. It is often used to adjust voltage levels, such as in the input of a multiplexer, in order for it to select the desired channel in an audio system. It can also be used as a current control in an amplifier circuit, to adjust the gain of the signal before it is amplified. Additionally, ST5EP101 trimmer potentiometers are used in the volume control and tone control circuits of audio systems.

Working Principle

The ST5EP101 trimmer potentiometer works by changing the resistance of the device when the shaft is turned. The amount of resistance is determined by the position of the shaft. When the shaft is turned clockwise, the resistance increases, while turning it counterclockwise decreases the resistance. This change in resistance causes an alteration in the voltage or current level of the circuit, which can be used to create the desired effect.

Construction and Design

The ST5EP101 trimmer potentiometers are built with a thermoplastic case and a central metal shaft. The case is used to hold the electrical contacts and shield the trimmer potentiometer from the environment. The central shaft is connected to the adjustment terminal, and it is designed to provide precise control over the resistance of the device. In addition, the ST5EP101 trimmer potentiometers also feature a knurled head, which allows for easy adjusting by hand.

Conclusion

The ST5EP101 trimmer potentiometer is a versatile component that can be used in a wide range of applications. It is most commonly used to adjust voltage levels, signal gains, and tone control circuits. Working principles of the device involve changing the resistance of the trimmer potentiometer when the shaft is turned. It is constructed with a thermoplastic case and a central metal shaft for precise control. The ST5EP101 trimmer potentiometer is an affordable, cost-effective part suitable for various applications.

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