A4310K

Temperature Coefficient:	--
Mounting Type:	Panel Mount
Bushing Thread:	3/8-32
Actuator Diameter:	0.250" (6.35mm)
Actuator Length:	--
Actuator Type:	Slotted
Termination Style:	Solder Lug
Resistive Material:	Wirewound
Adjustment Type:	User Defined
Rotation:	300°
Number of Turns:	1
Series:	A43
Power (Watts):	2W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±10%
Resistance (Ohms):	10k
Taper:	Linear
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Rotary Potentiometers, Rheostats

The A4310K is a type of rotary potentiometer, consisting of a resistive track connected to a wiper contact. Rotary potentiometers are widely used for providing a convenient adjustable reference voltage or as a shunt regulator to control current in a circuit. The A4310K is fitted with a single turn helical track that is mounted on a spindle and actuated by a knurled adjuster knob.

Applications

One of the most common uses of rotary potentiometers such as the A4310K is to provide an adjustable reference voltage for devices such as audio amplifiers. By adjusting the wiper contact, the output voltage can be varied between 0V and the full voltage of the source, allowing for customised audio levels to suit different user preferences. Other uses for adjusters include controlling the speed of motors, lighting levels and the brightness of displays.

Working Principle

In most potentiometers, including the A4310K, the track is wound in a helical pattern in order to provide a linear response when operated with a knob. When the adjuster knob is turned, it moves the wiper contact along the track and the resistance between the track and the wiper contact varies accordingly. When the adjuster knob is set to a specific point along the track, it creates a specific voltage drop. This voltage drop is used as an adjustable reference voltage or as a shunt regulator for current as required in the circuit.

Conclusion

The A4310K is a rotary potentiometer that is widely used for providing adjustable reference voltage or as a shunt regulator to control current in a circuit. It is fitted with a helical track and a knurled adjuster knob that allows movement of the wiper contact along the track. This provides users with an easy way to customise the output voltage and current for their specific needs.

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