RJR26FX103MQ

Series:	Trimpot® RJ26/RJR26-Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	10 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	12
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.250" x 0.170" Face x 0.250" H (6.35mm x 4.32mm x 6.35mm)

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Introduction of Trimmer Potentiometers

Trim Potentiometers, often referred to as "trimmers" are variable resistors used to adjust or fine-tune performance in a wide range of applications. Trimmer Potentiometers, consisting of three metal terminals, are often used to adjust the output of a device such as a mixer, amplifier, or transducer. The trimmer adjusts the resistance of the component, allowing for precision tuning.

RJR26FX103MQ Application Field and Working Principle

The RJR26FX103MQ is a trimmer potentiometer designed specifically for applications in a variety of domains, ranging from automotive and medical equipment to home appliances, consumer electronics, and communication devices. Its small size and robust construction make the RJR26FX103MQ an ideal solution for device modification processes requiring small and accurate adjustments. The RJR26FX103MQ also features a built-in locking function that prevents unauthorized or accidental changes due to vibrational forces. This feature enables the device to be used in applications where reliability is of the utmost importance.The RJR26FX103MQ operates off of a three-terminal configuration. The terminals are typically labeled counter-clockwise from the center terminal as clockwise, CW, minus, and plus. This configuration forms a variable voltage divider circuit, with the center terminal forming the common node.The position of CW terminal varies according to the user’s desired output and available voltage level. As the resistance between the CW and plus terminals is adjusted, the division between the plus and minus terminals is also adjusted. When the CW terminal is at a higher potential than the plus terminal, an increase in resistance leads to a decrease in the output voltage from the minus terminal. Conversely, when the CW terminal is at a lower potential than the plus terminal, an increase in resistance will lead to an increase in the output voltage from the minus terminal. The resistance value of the RJR26FX103MQ is typically expressed in ohms and can range from 5Ω to 103Ω. The potentiometer can also serve as a shunt resistor if necessary, by having the plus and minus terminals connected to the same voltage source, with the output voltage changing accordingly at the CW terminal.

Conclusion

The RJR26FX103MQ is a trimmer potentiometer well-suited for a wide range of applications. Its small size, robust construction, and locking feature make it an ideal solution for device modifications requiring precision adjustments. The potentiometer operates off of a three-terminal configuration, with the resistance value typically expressed in ohms, ranging from 5Ω to 103Ω. The potentiometer can also be used as a shunt resistor if necessary.

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