PVC6A250C01B00

Series:	PVC6
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	25 Ohms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Ceramic
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.272" x 0.272" Face x 0.205" H (6.90mm x 6.90mm x 5.20mm)

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Introduction to Trimmer Potentiometers

Trimmer potentiometers, also known as trimpots, are a type of electric components that are adjusted to adjust the resistance of a circuit. They are a type of variable resistors, but unlike regular variable resistors, they have a much more limited range of adjustable resistance. These components are typically used to make small adjustments or calibrations of a device’s circuits, such as in audio equipment or for regulator circuits.

PVC6A250C01B00 Application Field

The PVC6A250C01B00 trimpot is a single turn, absolute angle type, 25Kohm trimpot. In terms of applications, these devices are used in consumer electronics, home entertainment systems, sound systems, optical and camera equipment, automotive audio systems, and a wide range of other applications. The PVC6A250C01B00 has a range of resistance of 25K ohms and a linear taper. This means resistance change occurs relative to the rotation angle with a linearity of +/- 3%. It will have a full rotation angle of 270 degrees and an adjustable angle range between 30 to 250 degrees. This trimpot also has a power rating of 0.25W and a terminal resistance of 100 millohms max.

PVC6A250C01B00 Working Principle

The PVC6A250C01B00 trimpot operates using an encoder and linear potentiometer. As the name suggests, encoders encode the angle of rotation, while the linear potentiometers vary resistance with respect to the rotation angle.The encoder is a mechanical device comprising a rotating shaft with a series of slots or teeth cut into it. As the shaft is rotated, a set of optical or magnetic sensors detect these slots or teeth, and from this, the rotation angle is determined.The linear potentiometer works using the principle of resistance variation with respect to its rotation angle. Basic linear potentiometers contain three terminals — two outer terminals and an inner ‘slider’ terminal. As the slider is moved from one end of the potentiometer to the other, the resistance between the outer terminals changes. Thus, by measuring the resistance at the two outer terminals, the rotation angle of the slider can be determined.The PVC6A250C01B00 trimpot combines these two mechanisms to provide an adjustable angle dependent trimpot. In addition to the two mechanical components, the trimpot also has an electrical structure to control the resistance slope over rotation angle. This manifests as a resistive track on the trimpot with variable gaps, which are connected to the wiper terminal. As the trimpot is rotated, the gaps in the resistive track are closed or opened to vary the resistance between the two outer terminals.

Conclusion

The PVC6A250C01B00 trimpot is an adjustable angle type trimpot that combines an encoder and linear potentiometer. The encoder counts the number of rotations and tells the linear potentiometer where to start varying resistance and thus allowing precise adjustments to be made to the device’s circuits. This trimpot is ideal for a wide range of applications such as consumer electronics and automotive audio systems.

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