ST32EH100

Series:	ST-32
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	10 Ohms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Rectangular - 0.142" x 0.138" Face x 0.185" H (3.60mm x 3.50mm x 4.70mm)

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Trimmer Potentiometers：ST32EH100 Application Field and Working Principle

Trimmer potentiometers or trimpots are small wafer-based adjustable resistors that are used to fine-tune the operation of electronic circuits. The ST32EH100 is a particularly popular trimmer potentiometer manufactured by Vishay Semiconductor. It is used in a variety of applications across different industries, ranging from automotive and industrial to consumer electronics. In this section, we will discuss the ST32EH100\'s application field and working principle, as well as its advantages over other trimmer potentiometers.

Application Field

ST32EH100 trimmer potentiometers are used in a wide range of applications, such as television tuners, frequency synthesizers, voltage regulator circuits, servo control systems, motor speed regulators, audio amplifiers, microphone preamplifiers, digital-to-analog converters, and so on.The ST32EH100 is particularly useful for applications that require a high-precision adjustment over a finite range. It is also ideal for tasks that require attenuating a signal or setting a reference voltage.

Working Principle

The ST32EH100 trimmer potentiometer has a slider that is capable of providing a linear adjustment to the resistance of the device. The wiper of the slider is connected to a single-turn helical lug, which is actuated via a rotating screw mechanism on the device’s top. As the screw is turned, the slider is shifted up or down, allowing the user to adjust the resistance according to their needs. The ST32EH100 is also equipped with an actuator lock mechanism that locks the screw in place to prevent accidental adjustments. This helps ensure the stability and accuracy of the adjustment even after multiple uses.

Advantages

The main advantage of the ST32EH100 over other trimmer potentiometers is its compact size and high-performance capabilities. It is capable of providing accurate adjustments in a range of 50 to 200K potentiometer resistance with a power rating of 0.16W.The ST32EH100 also has a wide adjustable angle, which allows for precise control of the resistance. It is also designed to be compatible with SMD surfacemount devices, which makes it suitable for use in high-volume production.Moreover, the ST32EH100 has a high resistance tolerance that can be accurately controlled and adjusted by the user. This helps ensure that the device remains accurate and reliable even after long-term use.In conclusion, the ST32EH100 trimmer potentiometer is an ideal choice for applications that require a precision adjustment over a finite range. It is designed for surfacemount applications and is highly resistant to wear and tear. The ST32EH100 also offers a wide adjustable angle and has a high tolerance for resistance accuracy. All these factors make it an excellent choice for both industrial and consumer electronics applications.

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