3290P-1-500

Series:	Trimpot® 3290 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	50 Ohms
Power (Watts):	1W
Tolerance:	±5%
Temperature Coefficient:	±50ppm/°C
Number of Turns:	25
Adjustment Type:	Side Adjustment
Resistive Material:	Wirewound
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.375" x 0.150" Face x 0.150" H (9.53mm x 3.81mm x 3.81mm)

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Introduction to Trimmer Potentiometers

Trimmer potentiometers, also known as trim pots, are variable resistors that can be adjusted manually by turning a screwdriver or a specialised tool. They are often used to provide fine adjustment and calibration in circuits, and they are available in a variety of different shapes, sizes, designs, and configurations. They are usually mounted directly to a circuit board, and they are easily accessible from the top or bottom of the board.Trimmer potentiometers are often used in both low- and high-power applications. In the low-power realm, they are used to set reference points in amplifiers and filters. In the high-power realm, they are used to provide fine adjustment of current and voltage control in power supplies and motor drives. They are also used as rheostats in circuits that measure temperature and light levels, and as adjustable gain circuits in audio equipment.

3290P-1-500 Application Field and Working Principle

The 3290P-1-500 trimmer potentiometer is a precision-grade device with a resistance range of 1-500 ohms and a maximum power rating of 0.5 watts. It is a single-turn potentiometer with a self-locking screwdriver adjustment knob that provides smooth and precise control over its resistance value. The 3290P-1-500 can be used in a wide range of both low-power and high-power applications, including adjustable gain applications in audio equipment, precision control in motor drives, and current and voltage control in power supplies. The 3290P-1-500 is designed to be mounted on a printed circuit board, and it has a through-hole terminal design for easy soldering. It has a flexible terminal block with two terminals and a center terminal, and the outer terminals are connected by a jumper wire that also runs through the pot itself. The center terminal provides a connection point for the circuit to detect the position of the pot.As with all trimmer potentiometers, the 3290P-1-500 works by changing the resistance value of the circuit when the user adjusts the knob. When the knob is rotated, a wiper arm moves along a resistive element, thus changing the resistance value of the circuit as it moves. This adjustable resistance can be used to precisely control the current or voltage of a circuit, or to adjust the gain of an amplifier.

Conclusion

The 3290P-1-500 trimmer potentiometer is a precision-grade device with a resistance range of 1-500 ohms and a maximum power rating of 0.5 watts. It is a single-turn potentiometer with a self-locking screwdriver adjustment knob that provides smooth and precise control over its resistance value. The 3290P-1-500 can be used in a wide range of both low-power and high-power applications, including adjustable gain applications in audio equipment, precision control in motor drives, and current and voltage control in power supplies. This adjustable resistance can be used to precisely control the current or voltage of a circuit, or to adjust the gain of an amplifier.

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