3299W-1-102LF

Series:	Trimpot® 3299 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
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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Trimmer Potentiometers

3299W-1-102LF Application Field and Working Principle

Trimmer potentiometers, also known as trimmers or trim pots, are a type of variable resistor used to manually adjust circuit parameters. 3299W-1-102LF is one of the most popular small-size trimmer potentiometers which are characterized by long life and high pulse loading. This product is widely used in medical and communications applications where its low profile design and high insulation resistance makes it applicable for a wide variety of applications. Trimmer potentiometers are components of electric circuits whose function is to provide a resistive element, the resistance value of which can be adjusted while the board is still powered. They are commonly used in volume control, DC motor speed control, photo-sensitivity control, and frequency modulation. 3299W-1-102LF is perfect for design applications that require high pulse loading and low profile designs, such as microwave systems, amplifiers, and instrumentation equipment.The basic working principle of a trimmer potentiometer is to have a variable resistance element which is connected between two points, an input and an output. The input is the point from which the current will enter the trimmer, and it is also the point which is adjusted by an operator with a rotary wheel or a thumbwheel. Depending on the position of the rotary wheel the resistance value of the trimmer changes, and so the voltage between the input and output points of the trimmer also changes. 3299W-1-102LF comes in a small size with a footprint of 6.5 mm × 4 mm and is designed to provide quick and accurate leveling and adjusting of the resistance value. It sports a 3-fall Cermet element which provides excellent linearity and high pulse conditioning and temperature range -25°C ~+85°C making it suitable for applications in extreme temperature conditions. The trimmer is also designed with a high insulation resistance of 200 GΩ•cm, which makes it suitable for multiple-circuit boards without interference with other relays and circuits.In addition to the high insulation resistance and temperature range, the 3299W-1-102LF is also characterized by a low dissipation factor and an adjustable resistance range which can be set at a range of 0.2K-1KΩ or 0.5K-2KΩ. It is also dustproof and features a 6-pin configuration. Furthermore, it is designed to operate in a single direction which simplifies operation procedures compared to many other trimmer potentiometers that require dual direction operation.3299W-1-102LF thus provides a combination of high insulation resistance, low profile design, high pulse loading capability, adjustable resistance range, wide temperature range and easy operation, making it one of the most popular trimmer potentiometers. This product is widely used in the emerging fields of medical and communications applications due to its performance, making it a great choice for most applications.

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