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:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.240" x 0.375" Face x 0.240" H (6.10mm x 9.53mm x 6.10mm)

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Trimmer Potentiometers

Introduction

Trimmer Potentiometers, or trimmer pots, are small devices used to adjust electrical current within an electrical circuit. They are typically used to fine-tune circuit components such as resistors, capacitors, and transistors. Trimmer potentiometers can be used in a number of applications in many different fields, including automotive, medical, industrial, and consumer electronics. This article will focus on the application and working principle of one particular trimmer pot, the 3299P-1-105LF.

3299P-1-105LF Overview and Specifications

The 3299P-1-105LF is a single-turn trimmer potentiometer with a 9.37mm round plastic housing. It has a standard rating of 5V, ±20% tolerance, and a resistance range of 0.5MΩ to 1.5MΩ (500KΩ to 1.5MΩ). It is constructed with a nickel-plated brass housing, stainless-steel contacts, and the adjustment screw is brass. The 3299P-1-105LF features a screwdriver slot for adjustment, as well as a self-cleaning wipe system for better dust protection. It has a M4 hole size for mounting, and its rated temperature range is from -25°C to +85°C.

Applications

The 3299P-1-105LF trimmer pot is ideal for use in a variety of applications, including audio equipment, communications equipment, computers and peripherals, consumer electronics, digital cameras, home appliances, instrumentation, marine electronics, medical devices, and test and measurement equipment. It is also well-suited for automotive applications, as it is designed to operate in the harsh environment under the hood. It also has a high resistance range and can be used for automotive lamps, interior and exterior lighting, and engine performance tuning.

Working Principle

The 3299P-1-105LF trimmer pot works using a simple resistive network. When the adjustment screw is turned, it changes the resistance of the resistive network, allowing for fine-tuning of the circuit. The trimmer pot functions as a voltage divider and is commonly used to adjust the input or output voltage of a circuit. It is also used to set the gain of an amplifier, as well as a wide range of other applications.

Conclusion

The 3299P-1-105LF trimmer pot is a versatile device that can be used in a variety of applications. It has a standard rating of 5V, ±20% tolerance, and a resistance range of 0.5MΩ to 1.5MΩ. It is constructed with a nickel-plated brass housing, stainless-steel contacts, and the adjustment screw is brass. The trimmer pot works using a simple resistive network, and it is commonly used to adjust the input or output voltage of a circuit, as well as to set the gain of an amplifier.

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