Potentiometer Knobs | Control Knobs | RS
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    Potentiometer Knobs

    A potentiometer knob is an accessory that is used as a control knob for a potentiometer. They sit over the top of the potentiometer to enable easy control of electrical devices, such as audio equipment.

    The knobs are available in a range of materials to suit various applications. Potentiometers knobs are commonly manufactured from plastic (often with a brass insert) or aluminium. Some feature soft touch rubber finishes to help with grip. Plastic knobs are generally black but may feature a coloured cap or indicator to help differentiate their use.

    How do potentiometer knobs work?

    Potentiometer knobs sit directly on the potentiometer shaft. Many knobs are simply push on and are easily fitted. Others use a fixing such as a nut, grub screw or blind set screw to fix them in place. The knob can then be used to turn the potentiometer, like a volume control knob on a stereo.

    It is important that you check the shaft of your potentiometer is compatible with the knob. For example, smooth shaft, D-shaped shaft or a knurled shaft can work with different knobs.

    Types of potentiometer knob:

    A huge variety of potentiometer knobs are available to suit virtually any application. When choosing the right knob for your potentiometer, you must always check the shaft diameter and shape of the potentiometer. Most knobs are cylindrical, but rectangular shaped knobs are available for slider potentiometers. The knob diameter is also important to ensure that it fits your application. Potentiometer knobs are available in a wide range of diameters, for example 30 mm or 40 mm.

    Some potentiometer knobs feature a small skirt at the bottom, which can have numbers around it to indicate number of turns. Others feature a pointer or coloured indicator, which can be helpful for seeing how far a potentiometer has been turned and where it is pointing to.

    Some potentiometer knobs are also multi-turn. They may feature a locking mechanism and a turn counter which shows the number of rotations of the potentiometer knob.

    Where are potentiometer knobs used?

    • Audio gear
    • Amplifiers
    • Lighting

    598 สินค้าที่แสดงสำหรับ Potentiometer Knobs

    Each
    THB336.91
    RS PRO
    6mm
    38.6mm
    Screw Fix
    13.5mm
    Grey
    -
    -
    -
    Encoder
    -
    -
    -
    -
    Grub Screw
    PVC
    Each
    THB331.19
    RS PRO
    6mm
    22mm
    -
    26.7mm
    Black
    -
    White
    16.3mm
    Potentiometer
    -
    -
    -
    -
    Grub Screw
    Aluminium
    Each: (In a Pack of 5)
    THB30.496
    RS PRO
    6mm
    16.8mm
    D Shaped
    14.5mm
    Black
    -
    Red
    -
    -
    -
    -
    -
    -
    Push-On
    -
    Each: (In a Pack of 5)
    THB78.064
    RS PRO
    6mm
    16.2mm
    Circular
    15mm
    Black, Red
    -
    White
    -
    Potentiometer
    -
    -
    -
    -
    Grub Screw
    Plastic
    Each
    THB190.48
    RS PRO
    6.4mm
    25mm
    -
    15mm
    Black
    -
    White
    -
    -
    -
    -
    -
    -
    -
    Aluminium
    Each
    THB91.62
    RS PRO
    6mm
    38.6mm
    Circular
    13.5mm
    Black
    -
    Black
    -
    Encoder
    -
    -
    -
    -
    Push-On
    PVC
    Each: (In a Pack of 10)
    THB28.964
    RS PRO
    6mm
    13mm
    D Shaped
    15mm
    Grey
    -
    Black
    11.4mm
    Potentiometer
    -
    -
    -
    -
    Push-On
    Plastic
    Each: (In a Pack of 5)
    THB30.496
    RS PRO
    6mm
    16.8mm
    Splined
    14.5mm
    Black
    -
    White
    -
    -
    -
    -
    -
    -
    Push-On
    -
    Each (In a Box of 500)
    THB6.413
    RS PRO
    -
    6mm
    -
    -
    Translucent
    -
    -
    -
    Illuminated Encoder
    -
    -
    -
    -
    -
    -
    Each: (In a Pack of 5)
    THB21.928
    RS PRO
    6.4mm
    17mm
    D Shaped
    19.5mm
    Black
    -
    Green
    -
    Potentiometer
    -
    -
    -
    -
    Push-On
    Plastic
    Each
    THB191.65
    RS PRO
    6.4mm
    15mm
    Circular
    15mm
    Silver
    -
    White
    13mm
    Potentiometer
    -
    -
    -
    -
    Grub Screw
    Aluminium
    Each: (In a Pack of 5)
    THB46.23
    RS PRO
    6.4mm
    32mm
    -
    13.7mm
    Black
    -
    White
    -
    Potentiometer
    -
    -
    -
    -
    Grub Screw
    Plastic
    • RS Stock No. 463-8564
    Each: (In a Pack of 5)
    THB85.446
    RS PRO
    -
    -
    -
    7.2mm
    Black
    -
    -
    -
    Collet Knob
    -
    -
    -
    -
    Nut Cover
    -
    Each
    THB2,747.03
    RS PRO
    6.35mm
    7.2mm
    Circular
    20.3mm
    Black
    -
    Black
    -
    6.35 mm Shafts
    10
    -
    -
    -
    Dial
    -
    Each: (In a Pack of 5)
    THB20.236
    RS PRO
    -
    6mm
    -
    -
    Translucent
    -
    Black
    -
    Illuminated Encoder
    -
    -
    -
    -
    -
    -
    Each (In a Box of 500)
    THB15.367
    RS PRO
    -
    6mm
    -
    -
    Translucent
    -
    -
    -
    -
    -
    -
    -
    -
    Cap
    -
    Each: (In a Pack of 5)
    THB68.698
    RS PRO
    3.2mm
    11.6mm
    -
    10mm
    Black, Red
    -
    White
    -
    -
    -
    -
    -
    -
    Grub Screw
    Plastic
    Each
    THB182.16
    RS PRO
    6mm
    14.7mm
    -
    16.2mm
    Black
    -
    -
    -
    -
    -
    -
    -
    -
    Collet
    -
    Each: (In a Pack of 5)
    THB21.928
    RS PRO
    6.4mm
    17mm
    D Shaped
    19.5mm
    Black
    -
    Red
    -
    Potentiometer
    -
    -
    -
    -
    Push-On
    Plastic
    Each: (In a Pack of 10)
    THB26.374
    RS PRO
    6mm
    13mm
    Circular
    17mm
    Grey
    -
    Green
    13mm
    Potentiometer
    -
    -
    -
    -
    Push-On
    Rubber
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