RJ12FP104

Series:	Trimpot® RJ12 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	100 kOhms
Power (Watts):	1W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	22
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Chassis Mount
Termination Style:	PC Pins
Size / Dimension:	--

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Trimmer Potentiometers

Trimmer potentiometers are used to make fine adjustments to electrical circuits that require them. Trimmer potentiometers can adjust circuits such as the amplifier gain, the volume of a microphone, and the equalizer settings. In many cases, trimmer potentiometers are used to tune and calibrate equipment and systems before they are used. Trimmer potentiometers are available in various forms such as rotary, slide, multi-turn, and linear. One of the most popular trimmer potentiometers is the RJ12FP104, which is used in many electronics applications.

RJ12FP104

The RJ12FP104 is a three-terminal trimmer potentiometer. It is designed for 2W load and provides a wide range of adjustment, typically a 2 to 10 turn adjustment. The RJ12FP104 features a sealed construction with a compact design, which helps prevent dust and dirt from entering the unit. Furthermore, it is easy to mount and offers smooth operation. The RJ12FP104 is available in a variety of resistance values, with a temperature coefficient of up to ±50ppm/°C.

Applications

The RJ12FP104 is commonly used in many applications across various industries. It is often used for fine adjustments in electronic audio and control systems, such as sound amplifiers, equalizers, mixers, gain control, and other signal processing systems. It is also commonly used in the automotive industry for throttle and engine management, as well as for adjuster sensitivity in safety systems. In addition, the RJ12FP104 is often used in industrial, telecommunications, and medical equipment, where precise adjustment is critical.

Working principle

The RJ12FP104 trimmer potentiometer’s working principle is based on the physical change of its resistance when a mechanical knob is rotated. The knob is connected to a graphite element, which is positioned so that the graphite element contacts and slides along the resistive element inside the unit. This action increases or decreases the amount of resistance through the device. This resistance change is then transferred to the output of the device, changing the voltage or current across the device’s two terminals based on the amount of resistance. This allows the circuit to be finely adjusted for various applications.

Conclusion

The RJ12FP104 trimmer potentiometer is one of the most popular trimmer potentiometers on the market today due to its ease of use and wide range of applications. Its wide adjustments and low temperature coefficient make it an ideal choice for many electronics applications. Its sealed construction also ensures that it can be used in harsh environments. The RJ12FP104 is an ideal choice for many applications where high levels of precision and reliability are required.

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