ST32EH105

Series:	ST-32
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	1 MOhms
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

A trimmer potentiometer, also known as just a trimpot, is a three terminal resistor typically used in electronic circuits to adjust settings like voltage, frequency, resonance, capacitance, and more. The ST32EH105 series is ST Electronics\' newest additions to its growing line of trimmer potentiometers, and is designed to provide customers with a reliable and cost-effective solution.

Features

The ST32EH105 series is designed to provide a more precise and reliable adjustment range than standard trimpots. It offers a sliding contact which is capable of making adjustments from 0 to 1,000 ohms or 1,500 ohms depending on the model. The ST32EH105 also features a range of 1250 Steps/Voltage ratios and can be adjusted in either direction. The ST32EH105 series trimpots are also highly resistant to static shock, which is a great benefit for applications where static electricity is a concern. In addition, they feature low power consumption and are completely RoHS-compliant, which makes them an environmentally friendly choice.

Applications

The ST32EH105 series trimpots are intended for use in a wide range of applications, such as medical equipment, telecommunications equipment, and consumer electronics. In the medical sector, the ST32EH105 series is ideal for applications where precise adjustments are necessary. The series is also widely used in the telecommunications sector for frequency and gain adjustments in high-frequency amplifiers. In the consumer electronics sector, the ST32EH105 series can be used for various tasks such as adjusting brightness and contrast in displays, adjusting sound levels in audio equipment, and adjusting motor speeds.

Working Principle

The ST32EH105 series trimpots are primarily used to adjust resistance in electronic circuits. They operate based on the electrical principle of a potentiometer, which is a three-terminal resistor with a variable resistance. The ST32EH105 is designed to be adjusted by using a tool like a small screwdriver. When it is rotated, the adjustable contact is adjusted and the resistance is changed accordingly. As the resistance increases, the amount of current in the circuit is reduced. The ST32EH105 series also comes with a range of other features, such as ESD protection, which prevents static electricity from interfering with the adjustment process. It also comes with an automatic calibration circuit that ensures the adjustment range remains accurate over time.

Conclusion

The ST32EH105 series trimpot is an ideal solution for applications that require precise and reliable adjustments. It provides a wide range of features, including ESD protection, a range of 1250 Steps/Voltage ratios, and static electricity prevention. It can be used in a number of applications, including medical equipment, telecommunications equipment, and consumer electronics. With its low power consumption and RoHS-compliant design, it is an ideal choice for those looking for an environmentally friendly solution.

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