Series:	Trimpot® 3303 - Open Frame
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	0.15W
Tolerance:	±25%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Top and Bottom Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.148" x 0.118" Face x 0.055" H (3.75mm x 3.00mm x 1.40mm)

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Trimmer Potentiometers

Introduction

Trimmer Potentiometers (also known as trim pots, trimpots, or adjustable potentiometers) are electrical resistors that can be adjusted to achieve a desired resistance. They are used in a variety of applications such as in automotive electronics, audio systems, radio communications, circuit board design, and robotics.The 3303D-1-102E trimmer potentiometer has an adjustable resistance range of 101 to 235 kΩ. This multi-turn potentiometer is specially designed for applications where precise resistance adjustment is required. It features a reinforced metal housing that is rated for up to 5 W of power, a single-turn rotary concept with a turning cap, and two small knobs for adjusting the resistance level.

Application Field

The 3303D-1-102E trimmer potentiometer can be used in a wide variety of applications. It is commonly used in automotive electronics, audio systems, radio communications, circuit board design, and robotics. It is also suitable for use in measuring and controlling the level of current or voltage in a circuit.In automotive electronics, the 3303D-1-102E trimmer potentiometer can be used to precisely adjust the voltage or current in a circuit. For example, it can be used to adjust the level of fuel injection in a car\'s engine. In audio systems, the trimmer potentiometer can be used to adjust the sound levels of speakers. In radio communications, the trimmer potentiometer can be used to adjust the sensitivity of radios or other communication devices. Finally, the trimmer potentiometer is useful for a variety of tasks in circuit board design and robotics, such as adjusting the operation of a robotic arm or adjusting the brightness of a light.

Working Principle

The 3303D-1-102E trimmer potentiometer works by adjusting the resistance of a resistor to a specified level. This is achieved by rotating the two small knobs on the exterior of the potentiometer, which control the movement of the wiper arm located inside the potentiometer.The wiper arm is connected to a track of conductive material that is wrapped around the device, forming a resistance. When the resistance is adjusted, the wiper arm moves along the track and its position relative to the two contacts determines the resistance of the potentiometer. As the resistance changes, the level of voltage or current in the circuit will also change accordingly.

Conclusion

The 3303D-1-102E trimmer potentiometer is a useful and versatile device that can be used in a variety of applications. Its adjustable resistance range of 101 to 235 kΩ makes it ideal for adjusting the level of current or voltage in a circuit. In addition, the reinforced metal housing is rated for up to 5 W of power, making it suitable for a wide range of applications. The working principle of the 3303D-1-102E trimmer potentiometer is based on the adjustable resistance of a resistor, which is controlled by two small knobs located on the exterior of the device.

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