ST32EH104

Series:	ST-32
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	100 kOhms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°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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Introduction

Trimmer Potentiometers are a kind of variable resistors where the resistance that is present can be increased or decreased by turning an external control dial or switch. They are mainly utilized in applications which require fine adjustment of electrical levels or other amounts that need frequent changes, e.g., tuning radio signals, stand for robotics and applications in moisture control mechanisms. ST32EH104 is a cutting-edge example of such potentiometers which have high parts integration level.

Product Overview

ST32EH104 is a trimmer potentiometer which is managed by a digital controller and has been designed to be utilized in diverse types of applications. It features a controller that controls the output voltage and a digital-to-analog converter (ADC) for adjusting the range of adjustment. It is provided tailor-made for use in automotive, industrial, aerospace, and medical applications.

Features

ST32EH104 features a 6-step potentiometer which offers an adjustable fill of up to 6% depending on varying system requirements. It also offers a maximum power output of 17 mW which is suitable for applications which require high power performance.The maximum linearity of the potentiometer is also noteworthy and is configured to provide a resolution of just +/- 0.1% of the adjustment range which allow for precision of the process. The trimmer potentiometer is also provided with IO port interfaces which allow for rapid connection and communication of external devices with the trimmer.Other salient features of ST32EH104 include a high-speed digital input power (3 MHz for 1 LSB), digital output power (1 MHz for 1 LSB) and computing power (1 MHz for 65 µs).

Application Fields and Working Principle

The range of applications that make use of ST32EH104 is vast. It can be used in height adjusters for automotive door handles, the sliding mechanisms of a DVD player tray, the adjustment of microphones, and in other types of fine adjustment mechanisms.ST32EH104 features an internal circuit that is composed of several components which function together so as to obtain the desired adjustment.At the core is the trimmer potentiometer which features a resistance adjustment range of +/- 0.1%. This allows for a precise adjustment through the external adjustment button. The electromechanical input is converted into a voltage signal which is passed through the digital circuitry for further processing. This is done through the ADC and digital controller and the output is generated as a voltage signal.

Conclusion

In summary, ST32EH104 trimmer potentiometer provides an efficient and precise way to finely adjust electrical levels. It offers a high level of performance for operations which require a safe and reliable variable resistance adjustment. The output resolution is of only 0.1% and its high power output of 17 mW is suitable for applications that demand exceptional performance. It can be easily integrated into robotics and other applications for which it has been designed for.

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