3339P-1-252LF

Series:	Trimpot® 3339 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	2.5 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	4
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Round - 0.300" Dia x 0.250" H (7.62mm x 6.35mm)

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Introduction to Trimmer Potentiometers

Trimmer potentiometers are a type of variable resistor which is utilized for fine tuning and adjustment of parameters in many different types of electronic circuits. They are small in size and can be used in locations where space is limited. Trimmer potentiometers have a stationary carbon-based resistor element that is wired in series with a conductive track and a moving contact. The position of the contact determines how much the element is in parallel with the conductive track, thus varying the total resistance of the circuit and the voltage across it.

3339P-1-252LF Application and Working Principle

The 3339P-1-252LF is a miniature precision single turn cermet trimming potentiometer (POT) that is designed to offer reliable performance in high-density circuit designs. It provides a versatile solution for increasing and decreasing resistance to fine-tune performance in various electronic applications.The 3339P-1-252LF is designed with a linear taper and features an insulated ceramic topcoat that protects against handling damage and moisture. The contact protection resistor has a rated power of 0.25 Watt (W) and an insulation resistance of 1 GRms for long-lasting performance. It is a B1 configuration with a high temperature range of -55 °C to +155 °C that allows for use in a wide variety of environments.Additionally, the POT includes a robust adjustable wiper that ensures smooth performance and maximum resistance accuracy. The resistance range is 250 Ohms with a 0.5 Ohm precision. It is capable of passing a -65 dB signal-to-noise ratio test per 60 Hz at a rated test voltage of 10V.The 3339P-1-252LF works by utilizing a rotary wiper that, when adjusted, changes the resistance of a track on the device. As the wiper is rotated, it contacts the track along it\'s length, and the resistance of the track is inversely proportional to the wiper\'s displacement. This creates a linear voltage slope as the wiper is rotated for precise resistance adjustment.

Conclusion

Trimmer potentiometers are an essential component in many electronic circuits, and the 3339P-1-252LF is a reliable and versatile device. It offers precision adjustment of resistance for applications in many different environments and its robust design provides reliable performance even in high temperatures. Additionally, it is designed to effectively reduce noise and ensure accurate resistance adjustment. The 3339P-1-252LF is an ideal choice for circuit designers looking for an adjustable solution that offers reliable and precise performance.

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