.hide-partial { max-height: none; } .show-more { display: none; }

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.

All Results (2,679)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Select a category below to see filtering options and narrow down your search.

Part #

Magnetic/Reed Switches NO Switch 10-30AT

FLEX-14-35-40
Littelfuse
1: $0.93
23In Stock

Mfr. Part No.
FLEX-14-35-40

Mouser Part No
934-FLEX-14-35-40

Littelfuse

Magnetic/Reed Switches NO Switch 10-30AT

Learn More

Datasheet

23In Stock

$0.93

$0.817

$0.76

$0.681

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches FLEX-14-7-10

FLEX-14-7-10
Littelfuse
1: $1.00
942In Stock

Mfr. Part No.
FLEX-14-7-10

Mouser Part No
934-FLEX-14-7-10

Littelfuse

Magnetic/Reed Switches FLEX-14-7-10

Learn More

Datasheet

942In Stock

$1.00

$0.853

$0.794

$0.708

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches SWITCH REED

FLEX-14-10-15
Littelfuse
1: $0.95
1,097In Stock

Mfr. Part No.
FLEX-14-10-15

Mouser Part No
934-FLEX-1410-15

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

1,097In Stock

$0.95

$0.806

$0.743

$0.661

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches SWITCH REED

FLEX-14-15-20
Littelfuse
1: $1.00
1,900In Stock

Mfr. Part No.
FLEX-14-15-20

Mouser Part No
934-FLEX-1415-20

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

1,900In Stock

$1.00

$0.853

$0.794

$0.708

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

H-31-MAGNET
Littelfuse
1: $1.71
1,577In Stock

Mfr. Part No.
H-31-MAGNET

Mouser Part No
934-H-31

Littelfuse

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

Learn More

Datasheet

1,577In Stock

$1.71

$1.39

$1.17

$1.07

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

H-33-MAGNET
Littelfuse
1: $1.50
763In Stock

Mfr. Part No.
H-33-MAGNET

Mouser Part No
934-H-33

Littelfuse

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

Learn More

Datasheet

763In Stock

$1.50

$1.35

$1.29

$1.23

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

H-34-MAGNET
Littelfuse
1: $4.09
112In Stock

Mfr. Part No.
H-34-MAGNET

Mouser Part No
934-H-34

Littelfuse

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

Learn More

Datasheet

112In Stock

$4.09

$3.71

$3.57

$3.43

Min.: 1
Mult.: 1

Sensor Fixings & Accessories H-36 MAGNET MAGNETIZED

H-36-MAGNET
Littelfuse
1: $2.89
76In Stock

Mfr. Part No.
H-36-MAGNET

Mouser Part No
934-H-36

Littelfuse

Sensor Fixings & Accessories H-36 MAGNET MAGNETIZED

Learn More

Datasheet

76In Stock

$2.89

$2.31

$2.04

$1.92

Min.: 1
Mult.: 1

Magnetic/Reed Switches HA15-2 17-23

HA15-2-17-23
Littelfuse
1: $2.13
1,046In Stock

Mfr. Part No.
HA15-2-17-23

Mouser Part No
934-HA15-217-23

Littelfuse

Magnetic/Reed Switches HA15-2 17-23

Learn More

Datasheet

1,046In Stock

$2.13

$1.80

$1.67

$1.49

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches Sub-Mini NO Switch

MDCG-4-37-43
Littelfuse
1: $1.04
989In Stock

Mfr. Part No.
MDCG-4-37-43

Mouser Part No
934-MDCG-4-37-43

Littelfuse

Magnetic/Reed Switches Sub-Mini NO Switch

Learn More

Datasheet

989In Stock

$1.04

$0.885

$0.828

$0.75

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches SWITCH REED

MDCG-4-12-23
Littelfuse
1: $1.10
740In Stock

Mfr. Part No.
MDCG-4-12-23

Mouser Part No
934-MDCG-412-23

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

740In Stock

$1.10

$0.914

$0.841

$0.76

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDCG-4 12-38

MDCG-4-12-38
Littelfuse
1: $1.12
169In Stock

Mfr. Part No.
MDCG-4-12-38

Mouser Part No
934-MDCG-412-38

Littelfuse

Magnetic/Reed Switches MDCG-4 12-38

Learn More

Datasheet

169In Stock

$1.12

$0.957

$0.908

$0.832

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDCG-4 5265 17-28 RDSW

MDCG-4-17-28
Littelfuse
1: $1.37
981In Stock

Mfr. Part No.
MDCG-4-17-28

Mouser Part No
934-MDCG-417-28

Littelfuse

Magnetic/Reed Switches MDCG-4 5265 17-28 RDSW

Learn More

Datasheet

981In Stock

$1.37

$1.17

$1.08

$0.961

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches SWITCH REED

MDRR-DT-15-20-F
Littelfuse
1: $4.88
51In Stock
4,000On Order

Mfr. Part No.
MDRR-DT-15-20-F

Mouser Part No
934-MDRR-DT15-20F

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

51In Stock

4,000On Order

$4.88

$4.07

$3.77

$3.37

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDRR-DT 1156 20-25 F

MDRR-DT-20-25-F
Littelfuse
1: $5.12
105In Stock
1,000Expected 22/09/2026

Mfr. Part No.
MDRR-DT-20-25-F

Mouser Part No
934-MDRR-DT20-25F

Littelfuse

Magnetic/Reed Switches MDRR-DT 1156 20-25 F

Learn More

Datasheet

105In Stock

1,000Expected 22/09/2026

$5.12

$4.33

$4.04

$3.63

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSM-10R 5431 10-15

MDSM-10R-10-15
Littelfuse
1: $1.59
661In Stock
3,000Expected 10/08/2026

Mfr. Part No.
MDSM-10R-10-15

Mouser Part No
934-MDSM-10R10-15

Littelfuse

Magnetic/Reed Switches MDSM-10R 5431 10-15

Learn More

Datasheet

661In Stock

3,000Expected 10/08/2026

Cut Tape

$1.59

$1.39

$1.28

$1.16

View

Reel

$0.857

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches NO 30-35AT

MDSR-10-30-35
Littelfuse
1: $1.26
490In Stock

Mfr. Part No.
MDSR-10-30-35

Mouser Part No
934-MDSR-10-30-35

Littelfuse

Magnetic/Reed Switches NO 30-35AT

Learn More

Datasheet

490In Stock

$1.26

$1.08

$1.01

$0.894

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSR-10 10-15

MDSR-10-10-15
Littelfuse
1: $1.27
1,621In Stock

Mfr. Part No.
MDSR-10-10-15

Mouser Part No
934-MDSR-1010-15

Littelfuse

Magnetic/Reed Switches MDSR-10 10-15

Learn More

Datasheet

1,621In Stock

$1.27

$1.08

$1.01

$0.894

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches SPST 140VAC, 15 AT-20 AT Range

MDSR-10-15-20
Littelfuse
1: $1.27
1,812In Stock

Mfr. Part No.
MDSR-10-15-20

Mouser Part No
934-MDSR-1015-20

Littelfuse

Magnetic/Reed Switches SPST 140VAC, 15 AT-20 AT Range

Learn More

Datasheet

1,812In Stock

$1.27

$1.08

$1.01

$0.894

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches NO 27-48AT

MLRR-3-27-48
Littelfuse
1: $1.23
338In Stock

Mfr. Part No.
MLRR-3-27-48

Mouser Part No
934-MLRR-3-27-48

Littelfuse

Magnetic/Reed Switches NO 27-48AT

Learn More

Datasheet

338In Stock

$1.23

$1.05

$0.969

$0.863

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches 15.2mm Miniature Close Differential Reed Switch

MLRR-3-42-48
Littelfuse
1: $1.20
1,059In Stock

Mfr. Part No.
MLRR-3-42-48

Mouser Part No
934-MLRR-3-42-48

Littelfuse

Magnetic/Reed Switches 15.2mm Miniature Close Differential Reed Switch

Learn More

1,059In Stock

$1.20

$1.03

$0.95

$0.846

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches SWITCH REED

MLRR-3-17-23
Littelfuse
1: $1.08
1,658In Stock

Mfr. Part No.
MLRR-3-17-23

Mouser Part No
934-MLRR-317-23

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

1,658In Stock

$1.08

$0.952

$0.88

$0.787

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-3 17-38

MLRR-3-17-38
Littelfuse
1: $1.23
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
MLRR-3-17-38

Mouser Part No
934-MLRR-317-38

Littelfuse

Magnetic/Reed Switches MLRR-3 17-38

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$1.23

$1.17

$1.08

$0.99

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-3 22-28

MLRR-3-22-28
Littelfuse
1: $1.21
936In Stock

Mfr. Part No.
MLRR-3-22-28

Mouser Part No
934-MLRR-322-28

Littelfuse

Magnetic/Reed Switches MLRR-3 22-28

Learn More

Datasheet

936In Stock

$1.21

$1.04

$0.95

$0.876

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-3 27-33

MLRR-3-27-33
Littelfuse
1: $1.43
988In Stock

Mfr. Part No.
MLRR-3-27-33

Mouser Part No
934-MLRR-327-33

Littelfuse

Magnetic/Reed Switches MLRR-3 27-33

Learn More

Datasheet

988In Stock

$1.43

$1.24

$1.16

$1.04

View

Min.: 1
Mult.: 1

Sensors Portfolio

All Results (2,679)

Customer Service Office

Company

Resources

Support

Sensors Portfolio

All Results (2,679)

Sensors

Electromechanical

Industrial Automation