3266X-1-103LF

Series:	Trimpot® 3266 - Sealed
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	10 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	12
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.250" x 0.170" Face x 0.270" H (6.35mm x 4.31mm x 6.85mm)

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Trimmer Potentiometers

Trimmer potentiometers (or trimpots) are small components integrated into most electronic circuits to provide a programmable resistance. They can be adjusted in an automated or manual fashion with precision and without the need for specialized tools. 3266X-1-103LF is one of the most commonly used trimpots, made for ground-insulated, horizontal PC board mount applications, where space-savings are a top priority.

Application Field

The 3266X-1-103lf trimpot is most often used in automotive, medical, audio, and instrumentation applications that require precise adjustments in an ultra-compact form. It\'s also suitable for product designs that need adjustment without the need of time-consuming specialist knowledge.Moreover, the precise current adjustment and significant resistance range make it a preferred choice for both low and high current DC and AC applications.

Working Principle

The 3266X-1-103LF trimpot is a three-terminal variable resistor that offers a range of resistance from 10-103 Ohms. Its three terminals are respectively the adjust, middle, and common terminal. When resistance adjustment is required, the adjust terminal will be connected to the middle terminal to allow a variation in current flow.When a voltage is applied to the adjust terminal, the wire wiper arm will start to move. This will cause the resistance value to change when there\'s relative movement between the wiper arm and the resistance element. By changing the applied voltage, the resistance value can be varied depending on the length of the wiper arm travel. The trimpot also features a limited operating temperature range which ranges from 10 to 50 degrees Celsius (50 to 125 degrees Fahrenheit). This allows for safe operation even in extreme temperature environments.

Installation and Maintenance

The 3266X-1-103LF is easy to install and there is no need to disconnect any wiring. It is usually soldered directly onto the PC board and the adjuster is placed through an access hole in the board adjacent to the trimpot.The trimpot also has a self-locking feature that prevents any accidental changes to the settings. This allows for reliable and stable resistance adjustments throughout the product\'s life cycle.As for maintenance, it is recommended to follow the instructions provided by the manufacturer to ensure proper operation of the trimpot. Most trimpots, including the 3266X-1-103LF, have relatively long shelf life of about 1000 to 5000 online cycles. This ensures its reliability and functionality even in applications with long running times.

Conclusion

The 3266X-1-103LF trimpot is a well-suited choice for applications that require ultra-compact form factor, precise adjustment, and reliable operation. With its self-locking feature and temperature range of 10 to 50 degrees Celsius, it can be used in a wide range of applications including automotive, medical, instrumentation, and audio products. With proper maintenance and installation, it is expected to deliver a reliable performance over a long period of time.

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