67WR250KLFTB

Series:	67
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	250 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	20
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.375" x 0.195" Face x 0.472" H (9.53mm x 4.95mm x 11.99mm)

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Introduction

Trimmer Potentiometers are adjustable components used to control the output of an electronic device. They are typically used to fine-tune voltage, current, or resistance, and they are usually found in amplifiers, regulated power supplies, and other applications where fine-tuning a specific parameter is essential. One particular type of trimmer potentiometer is the 67WR250KLFTB which is a 25-turn, low-profile trimmer.

Features and Benefits

The 67WR250KLFTB trimmer potentiometer provides an adjustable range of 250 kΩ. It has a power rating of 0.25 watts, and a rotational life of 5,000 cycles. With a maximum profile height of 4 mm and knurled shaft designed for ease of use, this trimmer potentiometer provides a low-profile solution for a wide range of applications.

Applications

The 67WR250KLFTB trimmer potentiometer is well-suited for amplifier adjustment, regulated power supplies, VCOs, filters, and other precision circuits. It can be used for either fine-tuning the voltage, current, or resistance of a specific circuit, or for providing a programmable adjustment of the circuit parameters.

Working Principle

The 67WR250KLFTB trimmer potentiometer works by using a resistance element change as a result of the rotational force by the combination of a torque or torsion spring. When the operating force is applied, the torsional spring drives the assembly of the resistance material and the contact element from its mechanical stop limits to its maximum rotation angle. The positions where the torsional spring engages the resistance element create a distinctive electrical resistance value for each position, depending on the degree of rotation.

Conclusion

The 67WR250KLFTB trimmer potentiometer is an ideal component for many applications, especially for fine-tuning the voltage, current, or resistance of a specific circuit. Due to its low-profile, precision, and reliable design it is sure to be a great choice for many engineers.

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