3386F-1-104T

Series:	Trimpot® 3386 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	100 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.375" x 0.375" Face x 0.190" H (9.53mm x 9.53mm x 4.83mm)

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Introduction to Trimmer Potentiometers

Trimmer potentiometers (often referred to as trim pots) are a type of adjustable resistor, commonly used in the fields of electronics and electrical engineering. They are a small, three-terminal component that accurately adjusts electrical parameters. A trimmer potentiometer is an invaluable tool for adjusting power, voltage, current, and impedance values during the process of finding the optimal performance of a circuit.

3386F-1-104T Application Field and Working Principle

The component 3386F-1-104T is a miniature trimmer potentiometer manufactured by Bourns Inc. This potentiometer has 16 turns with resistance values ranging from 10Ω to 1KΩ. The 3386F series has an insulation resistance of 10⁹Ω, a withstanding voltage of 250VAC, and a linearity tolerance as low as ± 2%.The 3386F-1-104T trimmer potentiometer is widely used in digital signal processing, automotive electronics, and industrial instrumentation, due to its superior reliability and high performance. The device is constructed from a nickel-plated brass and has an insulation material of plastic.The 3386F-1-104T trimmer potentiometer operates by means of a rotary knob which can be adjusted to set resistance values. The knob is connected to a metal conductive path (often referred to as the wiper) that passes through the end of the device, and is held in one of 16 positions between two contacts called the terminal 1 and terminal 2. There is also a third contact terminal which is used to measure the resistance between terminal 1 and terminal 2, or to measure the voltage applied between all three terminals.The resistance of the 3386F-1-104T trimmer potentiometer can be adjusted by rotating the knob clockwise or counterclockwise. When the knob is turned clockwise, the wiper will move closer to the terminal 1. This will reduce the resistance between terminal 1 and terminal 2, resulting in a lower voltage across the device. Conversely, when the knob is turned counterclockwise, the wiper will move closer to the terminal 2, increasing the resistance between terminal 1 and terminal 2, and increasing the voltage across the device. The resistance of the device can therefore be adjusted with precision, enabling the circuit to be tuned to the desired performance.

Conclusion

The 3386F-1-104T trimmer potentiometer manufactured by Bourns Inc is a reliable, high-performance device, ideal for use in automotive electronics, digital signal processing, and industrial instrumentation. Its adjustable resistance range and excellent linearity tolerance allow for accurate tuning of circuit parameters. Furthermore, its miniature size and low power requirements make it suitable for applications with limited space or a low power requirement.

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