3386H-1-201LF

Series:	Trimpot® 3386 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	200 Ohms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.375" x 0.375" Face x 0.375" H (9.53mm x 9.53mm x 9.53mm)

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Introduction to Trimmer Potentiometers

Trimmer potentiometers, also known as small potentiometers, trimmers, or trim pots, are miniature multi-turn variable resistors with a shaft or screw for adjusting the resistance between two terminals. They are usually circular shaped, with a metal shaft, and can be adjusted using a small screwdriver. Typically, a trimmer potentiometer has a resistance range of between 0 and 10kΩ, or 10 ohms to 500kΩ, with a wide range of power ratings, from 0.125 W to 0.50 W.Trimmer potentiometers are widely used in electronics for adjusting the gain, attenuation, output impedance, frequency, or duty cycle of electronic signals. For example, trimmer potentiometers can be used in audio equipment to adjust audio levels, or in motor control systems to adjust speed or acceleration. They are also used in video devices such as TVs and DVDs, and computer systems for calibrating a variety of components.Trimmer potentiometers are available in various standard sizes with various mounting and connector options. They can also be custom designed for specific applications.

3386H-1-201LF Application Field and Working Principle

The 3386H-1-201LF trimmer potentiometer from Honeywell is a precision multi-turn, three-terminal voltage divider for precise voltage adjustment in applications such as remote setting of voltage sources, tuning of oscillators, and control of inverters and other analog circuits. With a maximum current rating of 101 mA and resistance range of 7.5K Ohm, this trimmer potentiometer is well suited for applications requiring a higher power rating than can be achieved with a rotary or panel-mount potentiometer.The 3386H-1-201LF is a three-terminal voltage divider that uses a ceramic element and three gold plated brass elements. The element is a small cylindrical shell that consists of a resistive element, a ceramic insulator, and three electrodes. The central electrode is connected to the output voltage, while the two outside electrodes are connected to ground. The resistive element of the element is adjusted when the metallic adjusting screw is rotated in either direction. As the shaft rotates, it moves a contact housing along the element, changing its resistance. The current passes through the three electrodes into the resistive element, and the output voltage is determined by the resistance of the element. This allows for very accurate adjustment of the output voltage because the output voltage is proportional to the resistance of the element. The 3386H-1-201LF is generally used as a precision voltage adjustment in audio and video devices, remote setting of voltage sources, tuning of oscillators, and control of inverters and other analog circuits. The small size, high power rating, metal shaft, and high accuracy make it well suited for these types of applications.

Conclusion

Trimmer potentiometers are a type of variable resistors that are used for adjusting the gain, attenuation, output impedance, frequency, or duty cycle of electronic signals. The 3386H-1-201LF trimmer potentiometer from Honeywell is a precision, multi-turn, three-terminal voltage divider that is well suited for applications requiring a higher power rating than can be achieved with a rotary or panel-mount potentiometer. It is typically used for precision voltage adjustment in audio and video devices, remote setting of voltage sources, tuning of oscillators, and control of inverters and other analog circuits.

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