Series:	Trimpot® 3214 - Sealed
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	5
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Rectangular - 0.189" x 0.138" Face x 0.209" H (4.80mm x 3.50mm x 5.30mm)

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Trimmer Potentiometers

The trimmer potentiometer, often referred to as trim pot, is an electronic device used to adjust the resistance of an electronic circuit. A trim pot is a variable resistor, meaning that a user can adjust the resistance of the circuit by rotating a control knob. The Trim Pot 3214X-2-102E is a potentiometer that increases or decreases current to regulate voltage and reduce power consumption.

Application Field

Trim pot 3214X-2-102E is widely used in various electronic applications such as industrial instrumentation and robotics. This device is used as a variable resistor to adjust the frequency of oscillators, calibrate filters, adjust volume, and regulate test-point signals. Trim pot 3214X-2-102E is typically used for precision potentiometers as an adjustable feedback element. It is also found in networked systems where it is used to control the gain of an amplifier and measure input impedance values.

Working Principle

Trim pot 3214X-2-102E consists of a resistive element, a shaft, and a controlling knob mounted on a circuit board. When the user rotates the knob, the resistive element is adjusted to either increase or decrease resistance. This in turn affects the resistance of the circuit and changes the flow of current. The resistor can be adjusted to any value within the specified range depending on what the user wants to achieve. When adjustments need to be made, the trim pot is adjusted at the board level with a soldering iron or other methods are used, such as spindles, screws, clamps or clipped terminals. This makes it easy to adjust the resistance level without disturbing the entire circuit.

Limitations

Trim pot 3214X-2-102E is often limited by its physical design. It has a single track and cannot be used to produce parallel resistance networks. Additionally, it is not suitable for applications which require precise voltage setting due to its resolution limitations. Once the range and resolution of the trim pot are set at a certain level, they cannot be adjusted later. Lastly, the trim pot 3214X-2-102E is also limited by its operating temperature range. Exceeding the rated temperature limit can reduce its lifespan drastically. In conclusion, trim pot 3214X-2-102E is a versatile device that enables precise adjustment of current in electronic circuits. Its physical design is suited for applications which require high precision while its limitations don\'t allow for a wide range of applications. Despite its limitations, trim pot 3214X-2-102E is still one of the most widely used and efficient ways to adjust current in various electronic applications.

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