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    Capacitive, Magnetic and Piezo Switches

    Capacitive, Magnetic, and Piezo Switches are types of electronic switches that operate based on different principles. Let's explore each of them:

    1. Capacitive Switches: Capacitive switches use the principle of capacitance to detect touch or proximity. They typically have a touch-sensitive surface that acts as one plate of a capacitor, while the other plate is usually a ground plane or a separate electrode. When a conductive object, such as a finger, comes close to or touches the touch-sensitive surface, it changes the capacitance, which is then detected by the switch's electronics. Capacitive switches are commonly used in touchscreens, touch-sensitive buttons, and proximity sensors.
    2. Magnetic Switches: Magnetic switches, also known as magnetic reed switches, use the presence or absence of a magnetic field to control the switch's operation. They consist of two metal reeds that are hermetically sealed within a glass tube. Each reed contains magnetically sensitive material. When a magnetic field is applied near the switch, the reeds are attracted to each other, and the switch closes, allowing current to flow. When the magnetic field is removed, the reeds separate, and the switch opens. Magnetic switches are often used in applications such as security systems, door and window sensors, and proximity sensors.
    3. Piezo Switches: Piezo switches utilize the piezoelectric effect to convert mechanical stress or pressure into an electrical signal. They consist of a piezoelectric material, such as certain crystals or ceramics, that generates an electric charge when subjected to mechanical deformation. When pressure or force is applied to the switch, it causes the piezoelectric material to deform, generating an electrical signal. This signal can be used to trigger a switching action. Piezo switches are commonly found in applications where a robust and reliable switch is required, such as industrial control panels, medical equipment, and automotive applications.

    Each type of switch has its own advantages and limitations. Capacitive switches offer touch-sensitive and non-mechanical operation but may be affected by moisture or dirt. Magnetic switches are highly reliable and can operate in harsh environments but require the presence of a magnetic field. Piezo switches are durable and can withstand high forces, but they require mechanical pressure to operate and are typically more expensive.

    Capacitive Switches
    Capacitive Switches
    Hall Effect Switches
    Hall Effect Switches
    Piezo Switches
    Piezo Switches
    Reed Switch Magnets
    Reed Switch Magnets
    Reed Switches
    Reed Switches
    Thumbwheel Switches
    Thumbwheel Switches

    1033 Products showing for Capacitive, Magnetic and Piezo Switches

    1 of 52
    ZF Reed Switch Magnet
    • RS Stock No. 765-9340
    • Mfr. Part No. AS201801
    Each
    SGD5.68
    RS PRO Through Hole Reed Switch, 1.5A 300V
    • RS Stock No. 265-2280
    1 Box of 500
    SGD1,468.38
    Assemtech SPST Reed Switch, 3A 1000V ac/dc
    • RS Stock No. 362-2552
    • Mfr. Part No. 2202-1513-060
    Each
    SGD7.69
    RS PRO 1C Through Hole Reed Switch, 500mA 175V
    • RS Stock No. 265-2253
    1 Box of 500
    SGD3,593.67
    RS PRO Capacitive Switch Momentary NO,Illuminated, Green, Red, IP68 Brass
    • RS Stock No. 823-2725P
    Each (Supplied in a Bag)
    SGD72.07
    Assemtech Change Over Reed Switch, 1A
    • RS Stock No. 909-2837
    • Mfr. Part No. GC1625 (80-90AT)
    Each (In a Bag of 10)
    SGD15.912
    Littelfuse Reed Switch
    • RS Stock No. 905-8897
    • Mfr. Part No. MDRR-DT-20-25-F
    Each (In a Bag of 5)
    SGD7.01
    Assemtech SPST Reed Switch, 3A
    • RS Stock No. 909-2812
    • Mfr. Part No. GC1513 (70-80AT)
    Each (In a Bag of 10)
    SGD10.55
    Assemtech SPDT Reed Switch
    • RS Stock No. 909-2695
    • Mfr. Part No. RI-90 Kit
    1 Kit
    SGD10.35
    Assemtech SPST Reed Switch, 500mA
    • RS Stock No. 909-2623
    • Mfr. Part No. RI-27AAA
    Each (In a Bag of 10)
    SGD2.597
    WIKA IP65 SPST Through Hole Magnetic Reed Switch, 1A 230V
    • RS Stock No. 267-6369
    • Mfr. Part No. 48759232
    Each
    SGD60.06
    ifm electronic Capacitive Switch
    • RS Stock No. 101-238
    • Mfr. Part No. KT5001
    Each
    SGD277.77
    WIKA IP65 SPDT Through Hole Magnetic Reed Switch, 500mA 230V
    • RS Stock No. 267-6361
    • Mfr. Part No. 14230126
    Each
    SGD101.55
    Bulgin Capacitive Switch Momentary NO,Illuminated, Green, Red, IP68, IP69K Red Anodised
    • RS Stock No. 208-8026
    • Mfr. Part No. MC25MORRG
    Each
    SGD90.70
    RS PRO SPCO Form A Through Hole Reed Switch, 500mA 200V
    • RS Stock No. 265-2242
    1 Box of 500
    SGD830.78
    RS PRO Through Hole Reed Switch, 1.5A 300V
    • RS Stock No. 265-2274
    1 Box of 500
    SGD1,468.38
    RS PRO 1C Through Hole Reed Switch, 500mA 175V
    • RS Stock No. 265-2255
    1 Box of 500
    SGD3,593.67
    RS PRO Through Hole Reed Switch, 1.5A 300V
    • RS Stock No. 265-2278
    1 Box of 500
    SGD1,468.38
    Bulgin Capacitive Switch Momentary NO,Illuminated, Green, Red, IP68, IP69K Red Anodised
    • RS Stock No. 208-8025
    • Mfr. Part No. MC25MORGR
    Each
    SGD78.04
    RS PRO Illuminated Piezo Switch, Momentary, IP68
    • RS Stock No. 175-9553
    1 Pack of 1
    SGD70.71
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