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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

    1099 Producten voor Capacitive, Magnetic and Piezo Switches

    1 van 55
    APEM IP67 Hall Effect Push Button Switch 5mA 50mA Plunger Pre-wired Momentary, -40 → +85°C, 3.5 → 14.5 V
    • RS-stocknr. 765-1197
    • Fabrikantnummer IHSH36F6
    Per stuk
    € 93,68
    APEM Illuminated Piezo Switch, Momentary, Pulse, SPST, IP68, Flying Lead, 200 mA @ 24 V dc, -40 → +75°C
    • RS-stocknr. 691-9581
    • Fabrikantnummer PBAR9AF0000A0S
    Per stuk
    € 59,10
    Sensata Cynergy3 SPST Reed Switch, 1A 230V ac/dc
    • RS-stocknr. 229-3658
    • Fabrikantnummer SRA200G/20-30
    Per stuk
    € 4,10
    Reed sensor
    • RS-stocknr. 283-5604
    • Fabrikantnummer 59025-010
    Per stuk
    € 9,05
    DiodesZetex Hall Effect Switch 4mA 60mA Solder, Surface Mount Open Drain, -40 → 150°C, 3 → 28 V
    • RS-stocknr. 246-6567
    • Fabrikantnummer AH3764Q-W-7
    Per stuk (op een rol 3000)
    € 0,389
    Infineon Hall Effect Switch 1.6mA 25mA Solder Pin Open Drain, -40 → 170°C, 3.0 V ∼ 32 V V
    • RS-stocknr. 244-2288
    • Fabrikantnummer TLE49681KXTSA1
    Per stuk (op een rol 3000)
    € 0,278
    Celduc Reed Switch Magnet for use with Proximity Sensor
    • RS-stocknr. 179-2889
    • Fabrikantnummer P3150000
    Per stuk
    € 8,34
    APEM Illuminated Piezo Switch, Momentary, Pulse, SPST, IP68, Flying Lead, 200 mA @ 24 V dc, -40 → +75°C
    • RS-stocknr. 691-9600
    • Fabrikantnummer PBAR9AF0000A2A
    Per stuk
    € 62,82
    RS PRO Illuminated Piezo Switch, Momentary, IP68
    • RS-stocknr. 175-8642
    Per stuk (in een tray 20)
    € 44,912
    Reed sensor
    • RS-stocknr. 283-5608
    • Fabrikantnummer 59140-010
    Per stuk
    € 3,26
    Littelfuse Reed Switch
    • RS-stocknr. 905-8907
    • Fabrikantnummer MDRR-DT-25-30-F
    Per stuk (in een zak van 5)
    € 4,908
    Littelfuse Reed Switch
    • RS-stocknr. 905-8890
    • Fabrikantnummer MDRR-DT-10-15-F
    Per stuk (in een zak van 5)
    € 4,908
    ifm electronic Capacitive Switch
    • RS-stocknr. 810-0202
    • Fabrikantnummer E12380
    Per stuk
    € 7,98
    ifm electronic Capacitive Switch
    • RS-stocknr. 810-0195
    • Fabrikantnummer E12377
    Per stuk
    € 7,98
    ifm electronic Capacitive Switch
    • RS-stocknr. 810-0209
    • Fabrikantnummer E12379
    Per stuk
    € 7,98
    Littelfuse Reed Switch
    • RS-stocknr. 905-8897
    • Fabrikantnummer MDRR-DT-20-25-F
    Per stuk (in een zak van 5)
    € 4,51
    RS PRO Piezo Switch, Momentary (NO), SPST, IP69, Flexible Wire, 200mA, -20 → +75°C Natural Aluminium
    • RS-stocknr. 259-1165
    Per stuk
    € 40,21
    RS PRO Piezo Switch, Momentary (NO), SPST, IP69, Flexible Wire, 200mA, -20 → +75°C Natural Aluminium
    • RS-stocknr. 259-1153
    Per stuk
    € 41,13
    RS PRO Piezo Switch, Momentary (NO), SPST, IP69, Flexible Wire, 200mA, -20 → +75°C Natural Aluminium
    • RS-stocknr. 259-1156
    Per stuk
    € 41,13
    Celduc Reed Switch Magnet for use with Proximity Sensor
    • RS-stocknr. 179-2895
    • Fabrikantnummer P6250000
    Per stuk
    € 9,84
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