ST32ETA200

Series:	ST-32
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	20 Ohms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Square - 0.134" L x 0.134" W x 0.079" H (3.40mm x 3.40mm x 2.00mm)

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Introduction

Trimmer Potentiometers, or trim pots, are commonly used to adjust electrical settings in electronic circuits. They have a resistance that can be manually adjusted by the user, and they are typically used to fine-tune system settings such as voltage or current levels.The ST32ETA200 is a trimmer potentiometer manufactured by STMicroelectronics. It is a two-terminal, 2.2 kΩ trimmer whose resistance can be adjusted between 0 and 2.2 kΩ. This device is designed to withstand extreme temperatures and harsh environment conditions, making it an ideal choice for applications such as automotive or commercial electronics. In this article, we discuss the application fields and working principle of ST32ETA200.

Application Fields

The ST32ETA200 is designed for extreme temperature and harsh environment conditions. This makes it an ideal choice for automotive systems, such as ABS systems and climate control systems, as well as commercial electronics, such as power supplies and UPS units. It is also an ideal choice for applications with quick response time such as aircraft ground control systems and wind turbine systems. The ST32ETA200 is also durable and reliable enough to be used for an extended period of time in harsh environments. Its resistance is not affected by vibrations and shocks, and its gold-plated leads provide excellent conductivity and corrosion resistance. It is also resistant to strong magnetic fields, making it an ideal choice for inductive load applications.

Working Principle

The ST32ETA200 is composed of three sections: a ceramic disc, a top contact, and a spring-loaded bottom contact. The resistance of the device is adjusted by moving the two contacts along the length of the disc. The resistance of the device is determined by the distance between the two contacts. As the distance between the contacts increase, the resistance of the device increases. The maximum resistance of the device can be adjusted to 2.2Ω kΩ. The top contact is attached to a threaded rod, which is used to adjust the resistance of the device. As the rod is turned, the contact moves along the length of the disc, changing the resistance of the device. This allows the user to fine-tune the resistance of the device to the desired value.

Conclusion

The ST32ETA200 is a trimmer potentiometer manufactured by STMicroelectronics. It is designed for extreme temperatures and harsh environment conditions, making it an ideal choice for automotive systems, commercial electronics, and applications with quick response time such as aircraft ground control systems. The resistance of the device is adjusted by moving two contacts along a ceramic disc, and the maximum resistance of the device can be adjusted to 2.2kΩ.

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