66WR500KLF

Series:	66
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	500 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 0.200" Face x 0.410" H (9.53mm x 5.08mm x 10.41mm)

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Introduction to Trimmer Potentiometers

Trimmer Potentiometers (also known as potentiometer trim or trimmers) are adjustable resistance electronic components which are specially designed for circuit board assemblies. Originally created mainly for use in the audio industry, they are now found in almost any electrical or electronic device where precision adjustment is necessary. Trimmers come in a variety of sizes and shapes depending on their application. Trimmer Potentiometers can be used to adjust voltages, gains, filter characteristics, current levels, current flow, and the values of resistance components in circuits. This makes them extremely versatile and efficient in controlling the performance of electrical devices, especially those in which a precise adjustment is required such as the gain control of amplifiers or the frequency control of oscillators. They are also used as voltage regulator feedback elements in precision power supplies.

66WR500KLF Trimmer Potentiometer

The 66WR500KLF is a commercial grade, linear, 3 terminal potentiometer with a maximum rating of 500K ohms. The 66WR500KLF is capable of providing precise and reliable resistance measurements in a variety of applications. The body of the trimmer is composed of phosphor bronze and is coated in a black oxide finish to reduce corrosion and extend its lifespan. The rotational base of the trimmer is molded nylon and is enclosed by a black oxide steel case.The maximum power ratings for the 66WR500KLF are 0.1W @ 25V and 0.05W @ 70V, making it well suited for medium-power applications. It has a settling time of less than 100 seconds, making it fast and accurate. The trimmer has a maximum operating temperature of 250F.

Application Field and Working Principle of the 66WR500KLF Trimmer Potentiometer

The 66WR500KLF is an ideal trimmer potentiometer for a variety of applications such as:• Adjustment of resistance values in filter circuits• Amplifier gain control• Frequency control• Power supply feedback control• Voltage regulatorsThe 66WR500KLF is a 3 terminal device, meaning it has 3 electrical connections. The two outer terminals are connected to the resistance element while the center terminal is the adjustable wiper. The wiper can be rotated to adjust the resistance between the two outer terminals, providing precise control over the current flow through the device. The device also has a stop tab that prevents the wiper from rotating too far and damaging the device.In conclusion, the 66WR500KLF is a rugged, reliable and accurate trimmer potentiometer that is perfect for medium-power applications such as amplifier gain control, voltage regulator feedback element or even filter circuits. Its maximum power ratings and operating temperature ratings make it suitable for a wide range of applications.

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