3269P-1-203GLF

Series:	Trimpot® 3269 - Sealed
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	20 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:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Rectangular - 0.250" x 0.170" Face x 0.205" H (6.35mm x 4.32mm x 5.21mm)

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What Are Trimmer Potentiometers?Trimmer Potentiometers, also known as trimmers, adjustable potentiometers, or trim pots, are small, adjustable, multiturn potentiometers used to fine-tune electrical signals. They come in several shapes and sizes and many varieties of potentiometers. Generally, they come with either a form of screw adjustment mechanism or a knurled adjustment knob that is rotated by hand.The 3269P-1-203GLF: Application Field and Working PrincipleThe 3269P-1-203GLF is an example of a trimmer potentiometer used to fine-tune electrical signals. This type of trimmer incorporates a special feature called reverse logic, which reverses the electrical current direction of the potentiometer. This feature prevents false readings when the trimmer is adjusted manually. The 3269P-1-203GLF has a resistance range of 20-200 ohms. It is typically used in applications requiring a higher-power load handling capacity, which is around 20 amps.The 3269P-1-203GLF works in a similar fashion to other trimmer potentiometers. It is comprised of a rotatable spindle, a contact element, and a resistance track. The spindle is rotated to adjust the position of the contact element, which is then connected to the resistance track. This tracks resistance value is then determined by the angle of the contact element relative to the resistance track. As the resistance value is varied, the electrical signal output is likewise varied.The 3269P-1-203GLF is suitable for applications requiring high drive power, including motors, amplifiers, relays and AC/DC supplies. To ensure a reliable connection, it is important to solder the trimmer to surfaces with a resistance of less than 0.5Ω. Moreover, optimum performance can only be achieved with regular maintenance and recalibration as temperature and fluctuations in voltage can change the resistance values of the device.ConclusionTrimmer Potentiometers, such as the 3269P-1-203GLF, are versatile and adjustable multiturn potentiometers used to fine-tune electrical signals. As the resistance value of the trimmer is changed, the corresponding electrical output of the device is likewise changed. The 3269P-1-203GLF is suitable for applications requiring higher drive power, and its special feature of reverse logic helps ensure reliable readings when manually adjusted. To maintain its optimum performance, regular maintenance and recalibration should be performed.

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