3386P-1-503LF

Series:	Trimpot® 3386 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	50 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

A trimmer potentiometer, also known as a trimpot or trimmer, is a type of potentiometer that is wired into a circuit in order to adjust its resistive value. Trimmer potentiometers are usually much smaller than ordinary pots, making them perfect for small circuitry adjustments. In addition, they can be used to fine-tune components, such as amplifiers or filters.

3386P-1-503LF Application Field

The 3386P-1-503LF is a trimmer potentiometer manufactured by Bourns. It is an Audio Grade Panel Control Trimmer, which is designed for use in professional audio systems. It is ideal for use in mixing consoles, effects processors, and other audio equipment that requires precise adjustment. The trimmer features a 500Ω resistance range, as well as a 10-turn termination. The trimmer is also fully sealed, so it is ideal for use in outdoor and wet applications. Additionally, the trimmer is RoHS compliant, so it meets current environmental standards.

3386P-1-503LF Working Principle

The working principle of the trimmer potentiometer is simple. When powering up a circuit, the trimmer resistor works similar to a fixed resistor in that it offers a certain amount of resistance to the circuit. However, unlike a fixed resistor, the trimmer potentiometer is designed to be adjustable.This is accomplished by a small knob located on the side of the potentiometer. This knob is connected to a wiper, which rests on a resistive track. This track runs along the length of the trimmer and is essentially a resistive "ladder." The wiper moves along this track in order to adjust the resistance of the trimmer.

Conclusion

Trimmer potentiometers, such as the Bourns 3386P-1-503LF, are incredibly useful devices that are perfect for making small adjustments to circuits. They offer an adjustable resistance, which can be adjusted precisely using the knob on the side of the trimmer. In addition, the trimmer is designed to withstand harsh conditions. With a 10-turn termination and a 500Ω resistance range, the trimmer will provide accurate adjustments in any application.

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