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

1029 표시되는 제품 Capacitive, Magnetic and Piezo Switches

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마지막 RS 재고
Assemtech SPDT PCB Reed Switch 400 mA 175 V
  • RS 제품 번호 909-2695
  • 제조사 부품 번호 RI-90 Kit
Subtotal (1 kit)
₩46.60
₩46.60/kit
재고있음
Assemtech SPST-NO PCB Reed Switch 1000 mA 200 V
  • RS 제품 번호 909-2629
  • 제조사 부품 번호 RI-26 Kit
Subtotal (1 kit)
₩47.10
₩47.10/kit
일시적 품절
RS PRO SPCO Through Hole Reed Switch 500 mA 170 V
  • RS 제품 번호 265-2235
Subtotal (1 Box of 500 units)
₩8,122.40
₩8,122.40/Box
재고있음
Otto IP68S Through Hole Thumbwheel Switch
  • RS 제품 번호 737-3774
  • 제조사 부품 번호 HTWM-1B12A22
Subtotal (1 unit)
₩1,168.20
₩1,168.20/unit
일시적 품절
Bulgin Capacitive switch Latching NC Illuminated, Green, Red, On-Off, IP68 Black Anodised
  • RS 제품 번호 204-8077
  • 제조사 부품 번호 MC22LCBRG
Subtotal (1 Box of 60 units)
₩23,445.78
₩390.763/unit
현재 비가용
KEMET SPST Through Hole Reed Switch 270 mA 264 V ac
  • RS 제품 번호 188-0513
  • 제조사 부품 번호 TRS5-90BLRVU
Subtotal (1 lot of 50 units)
₩9,191.35
₩183.827/unit
제한된 재고
Cynergy3 SPST PCB Reed Switch 500 mA 150 V ac/dc
  • RS 제품 번호 229-3692
  • 제조사 부품 번호 TRA294G/20-30
Subtotal (1 unit)
₩27.90
₩27.90/unit
재고있음
Otto IP68S Solder Thumbwheel Switch Snap-in
  • RS 제품 번호 737-3762
  • 제조사 부품 번호 HTWM-1A12A22
Subtotal (1 unit)
₩907.80
₩907.80/unit
재고있음
Assemtech SPST-NO PCB Reed Switch 500 mA 200 V ac/dc
  • RS 제품 번호 909-2660
  • 제조사 부품 번호 RI-60 Kit
Subtotal (1 kit)
₩19.80
₩19.80/kit
재고있음
APEM Piezo Switch, Momentary, SPST, IP68 Flying Lead, 200mA, 75 °C, -40 °C
  • RS 제품 번호 691-9587
  • 제조사 부품 번호 PBAR9AF0000
Subtotal (1 unit)
₩280.50
₩280.50/unit
재고있음
Assemtech SPST PCB Reed Switch 500 mA 170 V
  • RS 제품 번호 909-2676
  • 제조사 부품 번호 RI-70C
Subtotal (1 Bag of 10 units)
₩159.10
₩15.91/unit
재고있음
RS PRO Illuminated Piezo Switch, Momentary (NO), SPST, IP69 Flexible Wire, 200mA, 75 °C, -20 °C Natural
  • RS 제품 번호 259-1161
Subtotal (1 unit)
₩797.22
₩797.22/unit
일시적 품절
Assemtech SPST-NO PCB Reed Switch 500 mA 170 V
  • RS 제품 번호 909-2663
  • 제조사 부품 번호 RI-70
Subtotal (1 Bag of 10 units)
₩113.50
₩11.35/unit
일시적 품절
RS PRO SPCO Through Hole Reed Switch 500 mA 170 V
  • RS 제품 번호 265-2233
Subtotal (1 Box of 500 units)
₩6,104.80
₩6,104.80/Box
재고있음
APEM Illuminated Piezo Switch, Momentary, SPST, IP68 Flying Lead, 200mA, 75 °C, -40 °C
  • RS 제품 번호 691-9597
  • 제조사 부품 번호 PBAR9AF0000A0B
Subtotal (1 unit)
₩547.30
₩547.30/unit
제한된 재고
Littelfuse Axial Miniature Reed Switch 0.5 A 200 V
  • RS 제품 번호 905-8875
  • 제조사 부품 번호 Flex-14-15-20
Subtotal (1 Bag of 5 units)
₩37.60
₩7.52/unit
제한된 재고
Cynergy3 SPST PCB Reed Switch 1 A 230 V ac/dc
  • RS 제품 번호 229-3658
  • 제조사 부품 번호 SRA200G/20-30
Subtotal (1 unit)
₩52.90
₩52.90/unit
재고있음
Assemtech SPNO PCB Reed Switch 1 A 250 V ac
  • RS 제품 번호 362-2546
  • 제조사 부품 번호 RI-46A
Subtotal (1 unit)
₩8.90
₩8.90/unit
일시적 품절
KEMET SPST Through Hole Reed Switch 100 mA 30 V dc
  • RS 제품 번호 188-0872
  • 제조사 부품 번호 OHD5R-60B
Subtotal (1 unit)
₩56.00
₩56.00/unit
재고있음
RS PRO Piezo Switch, Momentary (NO), SPST, IP69 Flexible Wire, 200mA, 75 °C, -20 °C Natural
  • RS 제품 번호 259-1138
Subtotal (1 unit)
₩399.70
₩399.70/unit
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