3299Y-1-105LF

Series:	Trimpot® 3299 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 MOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	25
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.375" x 0.240" Face x 0.395" H (9.53mm x 6.10mm x 10.03mm)

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Introduction to Trimmer Potentiometers

Trimmer potentiometers, also known as adjustable potentiometers, are three-terminal variable resistors that are commonly used to tune electrical circuits. They are particularly useful for adjusting parameters in a circuit as they can provide a uniform resistance level of operation. The most common type of trimmer potentiometer is the three-quarter-turn rotary potentiometer, which is operated by rotating its shaft.

The 3299Y-1-105LF Trimmer Potentiometer

The 3299Y-1-105LF trimmer potentiometer is a popular choice for automotive and industrial applications because of its high quality construction and reliable operation. The product has a maximum contact angle of 270 degrees, a maximum operating temperature of 200 degrees Celsius, and a power rating of 1W. The 3299Y-1-105LF is available in two shaft styles, 2-pin and 3-pin, with an option of having a lockable stop or a fine adjustment option, allowing for precise adjustment of parameters. The product has a long life span, with a maximum operating life of 50,000 cycles.

Application Fields and Working Principle

Trimmer potentiometers, such as the 3299Y-1-105LF, are used in a wide variety of applications including automotive, medical, and industrial. In automotive and industrial applications, the device is used to adjust signals, such as speed, temperature, air pressure, and angle, so as to optimize the system’s performance.The working principle of the trimmer potentiometer is relatively simple. The three terminals are connected to a mechanically adjustable variable resistor which is made up of resistive material, such as carbon. When the user turns the shaft, the resistance of the variable resistor is adjusted, thus causing a change in the current flow through the circuit. This variation in current causes the circuit to be adjusted accordingly.

Conclusion

In conclusion, trimmer potentiometers, such as the 3299Y-1-105LF, are widely used across various industries, due to their precise adjustment capabilities and their long life span. They are used in automotive and industrial applications to adjust signals, such as speed, temperature, and air pressure, so as to optimize the system’s performance. The working principle of the trimmer potentiometers is simple, as the resistance of the variable resistor is adjusted when the user turns the shaft, thus causing a change in the current flow through the circuit.

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