89PR100LF

Series:	89
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	100 Ohms
Power (Watts):	0.75W, 3/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	20
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.750" x 0.190" Face x 0.250" H (19.05mm x 4.83mm x 6.35mm)

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Introduction

Trimmer Potentiometers, or trimpots, are miniature variable resistors that are increasingly used in electronic engineering projects. One of the most popular trimpots is the 89PR100LF, made by Murata Electronics, which is a rotary-style potentiometer that offers a single-turn adjustment capability. This article will discuss the application field and working principle of Murata 89PR100LF trimmer potentiometer.

Application Field of the Murata 89PR100LF Trimmer Potentiometer

The Murata 89PR100LF trimmer potentiometer is typically used in digital LCD monitor circuits, mobile phones and other electronic products requiring high precision adjustment. It is designed with a low resistor temperature coefficient, which means that it can effectively maintain its output parameters even under severe temperature fluctuations in various applications. In addition, this trimpot also features a durable construction which guarantees reliable performance in extreme environmental conditions.

Working Principle of the Murata 89PR100LF Trimmer Potentiometer

The Murata 89PR100LF trimmer potentiometer utilizes a simple three-term setup of two fixed resistors and one adjustable resistor. The two fixed resistors provide reference voltage values for the adjustable resistor. When the adjustable resistor is adjusted, the output voltage of the trimpot is also changed accordingly. Through a simple interaction between the variable resistor and an electrical source, the potentiometer can achieve precision adjustment of the output voltage.

Conclusion

The Murata 89PR100LF trimmer potentiometer is a reliable piece of electronic equipment used in many industrial and consumer applications. Its simple three-term setup and durable construction make it an effective and efficient solution for creating high precision, adjustable voltage outputs. By understanding its application field and working principle, engineers and hobbyists can more easily select the right trimmer potentiometer for their projects.

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