38WLABR500LF20

Series:	38
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	500 Ohms
Power (Watts):	0.15W
Tolerance:	±20%
Temperature Coefficient:	±500ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.406" x 0.177" Face x 0.478" H (10.30mm x 4.50mm x 12.15mm)

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Trimmer Potentiometers Trimmer potentiometers are electronic components commonly used for correcting, calibrating, and adjusting signal levels in various types of circuits. They are also helpful for automatically correcting and maintaining signal levels, such as in VCRs. Trimmer potentiometers provide a simple way to adjust voltage and current levels in a circuit design. One of the most popular trimmer potentiometers is the 38WLABR500LF20. This voltage adjuster has a wide range of uses and comes in various sizes and prices. Uses The 38WLABR500LF20 is commonly used in mobile communication and portable electronics. It can be used as an adjustable current source for a variety of applications, including audio devices, lighting controllers, and computers. It is also used to regulate voltage levels in the electrical components of a circuit board. This is especially important for precision circuits. This trimmer is also widely used for adjusting wattage and voltage levels in various types of electronic systems. This allows devices to be adjusted to the correct range of power to ensure optimal performance. It can also be used to adjust thresholds for LED displays in electronic equipment. The 38WLABR500LF20 is used for trimming and calibration of radio frequencies. It can be used to adjust the output levels of an antenna, as well as for controlling transmissions, so that it remains within specific frequency ranges. This provides a precise control of radio frequencies for maximum accuracy. Working Principle The 38WLABR500LF20 operates by using a process called voltage division. This involves two electrical resistors that are connected in series. The voltage is divided between these two resistors by a third resistor, which is connected to the ends of the two resistors. This third resistor acts as a variable resistor, which is adjustable depending on the amount of resistance that needs to be adjusted. The 38WLABR500LF20 has two terminals; a positive and negative terminal. The adjustable resistor or trimmer potentiometer is connected between the terminals. When the adjustable resistor is changed, the amount of current that can flow between the two terminals, or the voltage, changes as well. The resistance of the trimmer can be adjusted by rotating it. As the trimmer is rotated, an internal contact slides on a resistance element. This changes the amount of resistance that is present between the two terminals. As the resistance increases or decreases, the voltage at the terminals will also adjust accordingly. The 38WLABR500LF20 is also designed with an adjustable knob, which can be used to make quick adjustments to the resistance. This knob can be rotated in either direction to increase or decrease the resistance. ConclusionThe 38WLABR500LF20 is a versatile trimmer potentiometer that is used in a variety of applications. It uses voltage division to adjust the resistance between two terminals and can be used to adjust wattage, output levels, and threshold levels of electronic systems. Its adjustable knob allows for quick and easy adjustments and it is used in many mobile communication and portable electronic devices.

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