3214W-1-102E

Series:	Trimpot® 3214 - Sealed
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	5
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.189" x 0.138" Face x 0.209" H (4.80mm x 3.50mm x 5.30mm)

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Trimmer Potentiometers, a type of precision adjustable resistors, are commonly used in many potential applications, ranging from high-voltage circuit protection circuits to precise transducer gain control systems. The 3214W-1-102E trimmer potentiometer, designed by Digi-Key, is an especially reliable and reliable component with features that make it suitable for many applications.

Overview

The 3214W-1-102E is a three-terminal potentiometer designed for panel adjusting. It is rated for both voltage and power dissipation, with a 12-pin surface mount design. It is made of steel with an operating temperature range of -40°C to +125°C. The 3214W-1-102E features a linear adjustment of resistance across its three terminals, allowing for a precise adjustment of a resistance value to suit a given application. Also, its operating temperature range ensures its reliability and function even in extreme environments.

Application Field

The 3214W-1-102E trimmer potentiometer is ideally suited for use in a range of applications, including:

• Circuit protection;
• Precision gain control;
• Control and regulation in demanding industrial applications;
• Signal conditioning (especially for high-voltage transducers);
• Sensor calibration;
• Medical instrumentation;
• Temperature and pressure control.

The 3214W-1-102E’s wide operating temperature range, reliability, and precision make it an appealing choice for many of these applications.

Working Principle

Along the resistance path of a 3214W-1-102E trimmer potentiometer runs two leads connecting two separate terminals. Voltage applied to one terminal is distributed across the resistor, with the most voltage being applied at the center terminal, and the least voltage at the end terminals. Thus, adjusting the end leads causes the voltage distribution to change, allowing for precise variable resistance adjustments.The center lead of a 3214W-1-102E is also referred to as the wiper. Moving the wiper adjusts the voltage across the resistor, and thus adjusts the resistance. This resistance value adjustment is linear; this means that the resistance across the full rotation of the wiper will always be linear.

Conclusion

The 3214W-1-102E trimmer potentiometer is a reliable and versatile component that can be used for a number of different applications. Its three-terminal design and wide operating temperature range make it an appealing option for circuit protection, signal conditioning, sensor calibration, industrial applications, and more. Its linear adjustment of resistance and its precise variable resistance adjustment capabilities help to ensure accuracy and reliability in a variety of applications.

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