Recently searched

    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

    1051 Products showing for Capacitive, Magnetic and Piezo Switches

    5 of 53
    EAO Capacitive Switch NO,Illuminated, Red/Green, IO-Link, IP69K
    • RS Stock No. 227-0844
    • Mfr. Part No. 84-ASKS-B12-049E
    Each
    HK$1,266.30
    APEM Capacitive Switch Latching,Illuminated, Red, NPN
    • RS Stock No. 195-8743
    • Mfr. Part No. CG211AJ0RC
    Each
    HK$302.10
    RS PRO Illuminated Piezo Switch, Momentary, IP68
    • RS Stock No. 175-8642
    Each (In a Tray of 20)
    HK$406.297
    Siemens Magnet for use with Magnet Switch
    • RS Stock No. 275-949
    • Mfr. Part No. 3SE6724-2CA
    Each
    HK$221.80
    RS PRO Through Hole Reed Switch, 1.5A 300V
    • RS Stock No. 265-2278
    1 Box of 500
    HK$8,465.60
    RS PRO Illuminated Piezo Switch, Momentary, IP68
    • RS Stock No. 175-8647
    Each (In a Tray of 20)
    HK$384.964
    Omron Capacitive Switch NC, IP67
    • RS Stock No. 215-5321
    • Mfr. Part No. D5B-1513
    Each
    HK$752.20
    Siemens Magnet for use with Contact Block
    • RS Stock No. 155-941
    • Mfr. Part No. 3SE6701-2BA
    Each
    HK$332.50
    Bulgin Capacitive Switch Momentary NO,Illuminated, IP68 Black Anodised
    • RS Stock No. 208-8238
    • Mfr. Part No. MC22MOBGR
    Each
    HK$319.80
    Schurter Capacitive Switch Momentary NO,Illuminated, RGB, OptoMOS Relay, IP67
    • RS Stock No. 174-5333
    • Mfr. Part No. 3-101-424
    Each (In a Box of 10)
    HK$369.11
    Bulgin Capacitive Switch Momentary NO,Illuminated, Green, Red, IP68, IP69K Black Anodised
    • RS Stock No. 204-8163
    • Mfr. Part No. MC16MOBGR
    Each (In a Box of 60)
    HK$274.857
    EAO Capacitive Switch NO,Illuminated, Green, IO-Link, IP69K
    • RS Stock No. 227-0836
    • Mfr. Part No. 84-ACKS-C12-04C1
    Each
    HK$1,238.90
    Bulgin Capacitive Switch Latching NO,Illuminated, Green, Red, IP68, IP69K Red Anodised
    • RS Stock No. 204-8178
    • Mfr. Part No. MC19LORRG
    Each (In a Box of 60)
    HK$290.80
    Bulgin Capacitive Switch Momentary NC,Illuminated, Green, Red, IP68, IP69K Black Anodised
    • RS Stock No. 204-8181
    • Mfr. Part No. MC19MCBGR
    Each (In a Box of 60)
    HK$291.425
    EAO Capacitive Switch NO,Illuminated, Green, IO-Link, IP69K
    • RS Stock No. 227-0833
    • Mfr. Part No. 84-ACKS-B13-04BC
    Each
    HK$1,328.60
    Assemtech Change Over Reed Switch, 1A
    • RS Stock No. 909-2831
    • Mfr. Part No. GC1625 (90-105AT)
    Each (In a Bag of 10)
    HK$79.608
    Assemtech Reed Switch Magnet for use with Reed Switch
    • RS Stock No. 794-3626
    • Mfr. Part No. M1219-5(100)
    Each (In a Bag of 100)
    HK$11.489
    RS PRO SPCO Form A Through Hole Reed Switch, 500mA 200V
    • RS Stock No. 265-2239
    Each (In a Pack of 5)
    HK$16.36
    RS PRO SPCO Form A Through Hole Reed Switch, 500mA 200V
    • RS Stock No. 265-2244
    Each (In a Pack of 5)
    HK$17.274
    RS PRO 1C Through Hole Reed Switch, 500mA 175V
    • RS Stock No. 265-2248
    Each
    HK$30.50
    Results per page
    1
    5
    53

    Related links