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Variable Capacitors

Variable Capacitors

Trimmer capacitors, called just trimmers for short, belong to the passive components in this category. That means their capacitance is mechanically steplessly adjustable within defined limits. They consist of two semi-circular plate packages, with an insulating layer, the dielectric, of air or plastic. One of the two plate packages of the trimmer can be adjusted by turning a screw ­– with rotary capacitors the difference is that a shaft is turned – completely into or out of the plate package. The range of capacitance adjustment available by a rotation of 180° is generally merely of the order a few 10 pF (picofarad). Probably the best-known field of application of rotary capacitors used to be in broadcasting technology. Here they were used with control knobs for transmitter adjustment. Trimmer capacitors are generally used to adjust or fine tune the capacitance in circuits.

5 Products found
    Article details
    Manufacturer details
    Capacity range
    Rated voltage (DC)
    Torque range
    Price and Order
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    Order No.: 77D532

    Manufacturer: Tronser

    0.4 to 3.5 pF

    250 V

    0.003-0.02 Nm

    1 piece(s) €12.38
    5 piece(s) €11.43
    10 piece(s) €10.61
    25 piece(s) €9.91
    50 piece(s) €9.29
    Without VAT, without shipping costs
    Price per piece(s)
    Minimum Order Quantity 1
      117 piece(s) in stock
    piece(s)
    ROHS RoHS compliant version available, last updated: 08.06.2011
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    Order No.: 77D558

    Manufacturer: Tronser

    1.1 to 11 pF

    250 V

    0.007-0.036 Nm

    1 piece(s) €10.59
    5 piece(s) €9.78
    10 piece(s) €9.08
    25 piece(s) €8.47
    50 piece(s) €7.94
    Without VAT, without shipping costs
    Price per piece(s)
    Minimum Order Quantity 1
      77 piece(s) in stock
    piece(s)
    ROHS RoHS compliant version available, last updated: 08.06.2011
    Illustration can deviate

    Order No.: 77D560

    Manufacturer: Tronser

    1.1 to 16 pF

    250 V

    0.007-0.036 Nm

    1 piece(s) €13.33
    5 piece(s) €12.31
    10 piece(s) €11.43
    25 piece(s) €10.67
    50 piece(s) €10.00
    Without VAT, without shipping costs
    Price per piece(s)
    Minimum Order Quantity 1
    piece(s)
    ROHS RoHS compliant version available, last updated: 08.06.2011
    Illustration can deviate

    Order No.: 70D200

    Manufacturer: BCcomponents

    2.5 to 22 pF

    250 V

    0.001-0.015 Nm

    1 piece(s) €3.83
    10 piece(s) €3.51
    25 piece(s) €3.24
    50 piece(s) €3.01
    100 piece(s) €2.81
    Without VAT, without shipping costs
    Price per piece(s)
    Minimum Order Quantity 1
    piece(s)
    ROHS RoHS compliant version available, last updated: 31.03.2015
    Illustration can deviate

    Order No.: 70D202

    Manufacturer: BCcomponents

    5.5 to 65 pF

    150 V

    0.002-0.025 Nm

    800 piece(s) €3.25
    2400 piece(s) €3.18
    Without VAT, without shipping costs
    Price per piece(s)
    Minimum Order Quantity 800
    piece(s)
    ROHS RoHS compliant version available, last updated: 31.03.2015