Reed Switches

Littelfuse Reed Switches are ideal for battery-powered applications and automotive safety products. Reed switches have two ferromagnetic blades contained within a tubular glass envelope that is hermetically sealed at each end. Switches are activated by a permanent magnet or an electromagnet, and the reed switch and magnetic field combination is commonly known as the "magnetic circuit."

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Description Datasheet Availability Pricing (IDR) 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 HA15-2 27-33
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.000
Mult.: 1.000

Sub-Miniature SPST 27 AT to 33 AT 265 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches 14mm SPST-NO 20-25AT
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1.000
Mult.: 1.000

Sub-Miniature SPST 10 AT to 30 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDCG-4 22-33
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

Sub-Miniature SPST 22 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDCG-4 27-38
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Sub-Miniature SPST 27 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDRR-DT-20-35-F
Datasheet
Non-Stocked Lead-Time 37 Weeks
Min.: 1.000
Mult.: 1.000

Miniature SPDT 20 AT to 35 AT 120 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDRR-DT 1156 20-30 U RDSW
Datasheet
Non-Stocked Lead-Time 33 Weeks
Min.: 1.000
Mult.: 1.000

Miniature SPDT 20 AT to 30 AT 120 VAC Clear PCB Mount SMD/SMT Bulk
Littelfuse Magnetic/Reed Switches MDSM-10B 5430 10-25
Datasheet
Non-Stocked Lead-Time 13 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 13 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 13 Weeks
Min.: 1
Mult.: 1

Sub-Miniature SPST 20 AT to 25 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4B 5276 12-23
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1.000
Mult.: 100

Sub-Miniature SPST 12 AT to 23 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MDSM-4B 5276 17-23
Datasheet
Non-Stocked Lead-Time 13 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 13 Weeks
Min.: 1
Mult.: 1

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 13 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 12-23
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 3.000
Mult.: 3.000
: 3.000

Sub-Miniature SPST 12 AT to 23 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches MDSM-4R 5277 17-28
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3.000
Mult.: 3.000
: 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 13 Weeks
Min.: 3.000
Mult.: 3.000
: 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 13 Weeks
Min.: 3.000
Mult.: 3.000
: 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 13 Weeks
Min.: 3.000
Mult.: 3.000
: 3.000

Sub-Miniature SPST 27 AT to 33 AT 140 VAC Clear PCB Mount Axial Reel
Littelfuse Magnetic/Reed Switches MLRR-3 17-28
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1.000
Mult.: 1.000

Miniature SPST 17 AT to 28 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-3 22-33
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1.000
Mult.: 1.000

Miniature SPST 22 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-3 27-38
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000

Miniature SPST 27 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-4 22-33
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1.000
Mult.: 1.000

Sub-Miniature SPST 22 AT to 33 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches MLRR-4 27-38
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000

Sub-Miniature SPST 27 AT to 38 AT 140 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches NO 17-28AT
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.000
Mult.: 1.000

Miniature SPST 17 AT to 28 AT 265 VAC Clear PCB Mount Axial Bulk
Littelfuse Magnetic/Reed Switches NO 22-33AT
Datasheet
Non-Stocked Lead-Time 35 Weeks
Min.: 1.000
Mult.: 1.000

Miniature SPST 22 AT to 33 AT 265 VAC Clear PCB Mount Axial Bulk