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

1028 표시되는 제품 Capacitive, Magnetic and Piezo Switches

정렬 기준
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재고있음
Otto IP68S Through Hole Thumbwheel Switch
  • RS 제품 번호 737-3774
  • 제조사 부품 번호 HTWM-1B12A22
Subtotal (1 unit)
₩1,208.90
₩1,208.90/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 Reed Switch Magnet for use with Reed switch
  • RS 제품 번호 909-2847
  • 제조사 부품 번호 MKIT-1456
Subtotal (1 kit)
₩29.50
₩29.50/kit
일시적 품절
KEMET SPST Through Hole Reed Switch 300 mA 110 V ac/dc
  • RS 제품 번호 188-0833
  • 제조사 부품 번호 OHD1-75M
Subtotal (1 unit)
₩46.10
₩46.10/unit
일시적 품절
KEMET SPST Through Hole Reed Switch 300 mA 110 V ac/dc
  • RS 제품 번호 188-0458
  • 제조사 부품 번호 OHD3-75M
Subtotal (1 tray of 100 units)
₩4,208.10
₩42.081/unit
일시적 품절
APEM Capacitive switch Momentary, Green, Red, NPN
  • RS 제품 번호 195-8739
  • 제조사 부품 번호 CG111A000
Subtotal (1 unit)
₩239.50
₩239.50/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
Bulgin Piezo Switch, Momentary, IP68, IP69K Wire, 1 A 24 V dc, 85 °C, -40 °C Grey
  • RS 제품 번호 124-1090
  • 제조사 부품 번호 MPZ022/F
Subtotal (1 unit)
₩646.00
₩646.00/unit
현재 비가용
Littelfuse PCB Miniature Reed Switch 0.5 A 200 V
  • RS 제품 번호 905-8853
  • 제조사 부품 번호 HE721C2400
Subtotal (1 Bag of 5 units)
₩184.60
₩36.92/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
일시적 품절
Bulgin Capacitive switch Momentary NC Illuminated, Red, Green, On-Off, IP68 Red Anodised
  • RS 제품 번호 208-8236
  • 제조사 부품 번호 MC19MCRGR
Subtotal (1 unit)
₩388.60
₩388.60/unit
재고있음
Schurter Illuminated Piezo Switch, Latching, SPDT, IP69K, IP67, 100mA, 85 °C, -40 °C
  • RS 제품 번호 122-3013
  • 제조사 부품 번호 1241.3670
Subtotal (1 unit)
₩1,290.80
₩1,290.80/unit
일시적 품절
KEMET SPST Through Hole Reed Switch 100 mA 30 V dc
  • RS 제품 번호 188-0489
  • 제조사 부품 번호 OHD5R-70B
Subtotal (1 tray of 100 units)
₩4,412.90
₩44.129/unit
일시적 품절
Bulgin Capacitive switch Latching NC Illuminated, Red, Green, On-Off, IP68 Red Anodised
  • RS 제품 번호 204-8172
  • 제조사 부품 번호 MC19LCRRG
Subtotal (1 Box of 60 units)
₩19,774.38
₩329.573/unit
재고있음
APEM Capacitive switch Momentary Illuminated, Red, NPN
  • RS 제품 번호 195-8741
  • 제조사 부품 번호 CG111AP0RC
Subtotal (1 unit)
₩379.10
₩379.10/unit
일시적 품절
Bulgin Capacitive switch Momentary NC Illuminated, Red, Green, On-Off, IP68, IP69K Red Anodised
  • RS 제품 번호 204-7881
  • 제조사 부품 번호 MC25MCRGR
Subtotal (1 Box of 60 units)
₩24,277.02
₩404.617/unit
재고있음
Schurter Capacitive switch Momentary NO Illuminated, RGB, OptoMOS Relay, IP67 Stainless Steel
  • RS 제품 번호 174-5333
  • 제조사 부품 번호 3-101-424
Subtotal (1 Box of 10 units)
₩4,079.70
₩407.97/unit
재고있음
RS PRO 1 NC Through Hole Reed Switch 500 mA 175 V
  • RS 제품 번호 265-2256
Subtotal (1 unit)
₩68.20
₩68.20/unit
재고있음
KEMET SPST Through Hole Reed Switch 300 mA 110 V ac/dc
  • RS 제품 번호 188-0818
  • 제조사 부품 번호 OHD3-40M
Subtotal (1 unit)
₩42.10
₩42.10/unit
일시적 품절
RS PRO SPCO Through Hole Reed Switch 500 mA 175 V
  • RS 제품 번호 265-2245
Subtotal (1 Box of 500 units)
₩15,790.30
₩15,790.30/Box
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