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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 Mfr.
Description Datasheet Availability Pricing (CAD) 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 SUB-MIN OVERMOLD REED SWT GULL
Datasheet
1,388In Stock
4,500Expected 2026-07-22
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

Sub-Miniature SPST 20 AT to 25 AT 140 VAC Black SMD/SMT Gull Wing Lead Reel, Cut Tape, MouseReel
Littelfuse Magnetic / Reed Switches FLEX-14-20-25
Datasheet
885In Stock
1,000Expected 2026-04-07
Min.: 1
Mult.: 1

Sub-Miniature SPST 20 AT to 25 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches FLEX-14-25-30
Datasheet
46In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 20 AT to 25 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches NO Switch 10-30AT
Datasheet
23In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 35 AT to 40 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches FLEX-14-7-10
Datasheet
942In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 7 AT to 10 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches SWITCH REED
Datasheet
1,097In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 10 AT to 15 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches SWITCH REED
Datasheet
1,900In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 15 AT to 20 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches HA15-2 17-23
Datasheet
1,046In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 17 AT to 23 AT 265 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches Sub-Mini NO Switch
Datasheet
989In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 37 AT to 43 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches SWITCH REED
Datasheet
740In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 12 AT to 23 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MDCG-4 12-38
Datasheet
169In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 12 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MDCG-4 5265 17-28 RDSW
Datasheet
981In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 17 AT to 28 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches SWITCH REED
Datasheet
51In Stock
4,000On Order
Min.: 1
Mult.: 1

Miniature SPDT 15 AT to 20 AT 120 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MDRR-DT 1156 20-25 F
Datasheet
102In Stock
1,000Expected 2026-09-22
Min.: 1
Mult.: 1

Miniature SPDT 20 AT to 25 AT 120 VAC Clear PCB Mount SMD/SMT Bulk
Littelfuse Magnetic / Reed Switches MDSM-10R 5431 10-15
Datasheet
661In Stock
3,000Expected 2026-08-10
Min.: 1
Mult.: 1
Reel: 3,000

Sub-Miniature SPST 10 AT to 15 AT 140 VAC Clear PCB Mount Axial Reel, Cut Tape
Littelfuse Magnetic / Reed Switches NO 30-35AT
Datasheet
490In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 30 AT to 35 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MDSR-10 10-15
Datasheet
1,621In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 10 AT to 15 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches SPST 140VAC, 15 AT-20 AT Range
Datasheet
1,812In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 15 AT to 20 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches NO 27-48AT
Datasheet
338In Stock
Min.: 1
Mult.: 1

Miniature SPST 27 AT to 48 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches 15.2mm Miniature Close Differential Reed Switch 1,059In Stock
Min.: 1
Mult.: 1

Miniature SPST 42 AT to 48 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches SWITCH REED
Datasheet
1,658In Stock
Min.: 1
Mult.: 1

Miniature SPST 17 AT to 23 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MLRR-3 22-28
Datasheet
936In Stock
Min.: 1
Mult.: 1

Miniature SPST 22 AT to 28 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MLRR-3 27-33
Datasheet
988In Stock
Min.: 1
Mult.: 1

Miniature SPST 27 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MLRR-3 32-38
Datasheet
221In Stock
Min.: 1
Mult.: 1

Miniature SPST 32 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic / Reed Switches MLRR-4 17-23
Datasheet
1,028In Stock
Min.: 1
Mult.: 1

Sub-Miniature SPST 17 AT to 23 AT 140 VAC Clear PCB Mount Axial Bulk