Sensors Portfolio

Littelfuse is a global leader in magnetic sensing solutions with a portfolio covering reed switches, reed sensors, hall effect sensors, reed relays, and magnetic actuators. Littelfuse also offers a broad range of thermistors, resistance temperature detectors (RTDs), digital temperature indicators, and probes and assemblies for temperature sensing applications.

Results: 233
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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Switch Type
Contact Form
Operate Range
Voltage Rating AC
Color
Mounting Style
Termination Style
Packaging
Littelfuse Magnetic/Reed Switches SWITCH REED
Datasheet
1,548In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 17 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-4 27-33
Datasheet
701In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 27 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4B 5276 12-18
Datasheet
25In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 12 AT to 18 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches NO 25-30AT
Datasheet
985In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 25 AT to 30 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 59050 020 SENSOR
Datasheet
998Expected 2026/06/04
Min.: 1
Mult.: 1

Miniature SPST Black PCB Mount Through Hole Bulk
Littelfuse Magnetic/Reed Switches 175V 5WATTS
Datasheet
1,982On Order
Min.: 1
Mult.: 1

Miniature SPDT 10 AT to 30 AT 120 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches CO 10-15AT SMT
Datasheet
915Expected 2026/05/08
Min.: 1
Mult.: 1

Miniature SPST 10 AT to 15 AT 120 VAC Clear PCB Mount Gull Wing Lead Bulk
Littelfuse Magnetic/Reed Switches 59170-1-T-00-A SENS
Datasheet
722Expected 2026/03/31
Min.: 1
Mult.: 1

Sub-Miniature SPST 15 AT to 20 AT 140 VAC Black PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSR-7 15-20
Datasheet
347Expected 2026/05/21
Min.: 1
Mult.: 1

Sub-Miniature SPST 15 AT to 20 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-4 17-28
Datasheet
828Expected 2026/02/23
Min.: 1
Mult.: 1

Sub-Miniature SPST 17 AT to 28 AT 140 VAC Clear PCB Mount Axial Case
Littelfuse Magnetic/Reed Switches MDSM-10B 5430 10-25
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

Sub-Miniature SPST 10 AT to 25 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-10B 5430 15-20
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 100

Sub-Miniature SPST 15 AT to 20 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-10B 5430 20-25
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 100

Sub-Miniature SPST 20 AT to 25 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4B 5276 17-23
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 100

Sub-Miniature SPST 17 AT to 23 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4B 5276 22-28
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 100

Sub-Miniature SPST 22 AT to 28 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4B 5276 27-33
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 100

Sub-Miniature SPST 27 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4R 5277 17-28
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Sub-Miniature SPST 17 AT to 28 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches MDSM-4R 5277 22-28
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Sub-Miniature SPST 22 AT to 28 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches MDSM-4R 22-33
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Sub-Miniature SPST 22 AT to 33 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches MDSM-4R 5277 27-33
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Sub-Miniature SPST 27 AT to 33 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches SWITCH REED
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Sub-Miniature SPST 32 AT to 38 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches 59170 506 SENS
Datasheet
Non-Stocked
Min.: 1,500
Mult.: 1,500

Littelfuse Magnetic/Reed Switches 59050-1-U-00-0 SENS
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 200

Miniature SPST 22 AT to 28 AT 140 VAC Black PCB Mount Through Hole Bulk
Littelfuse Magnetic/Reed Switches 59050-1-V-00-0 SENS
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 200

Miniature SPST 140 VAC Black PCB Mount Through Hole Bulk
Littelfuse Magnetic/Reed Switches Reed Sensors
Datasheet
Non-Stocked
Min.: 1,000
Mult.: 200

Miniature SPST 12 AT to 18 AT 140 VAC Black PCB Mount Through Hole Case