.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 MDSM-4B 5276 32-38

MDSM-4B-32-38
Littelfuse
1: $2.02
321In Stock

Mfr. Part #
MDSM-4B-32-38

Mouser Part #
934-MDSM-4B32-38

Littelfuse

Magnetic / Reed Switches MDSM-4B 5276 32-38

Learn More

Datasheet

321In Stock

$2.02

$1.60

$1.41

$1.29

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches SWITCH REED

MDSR-7-10-20
Littelfuse
1: $1.07
1,305In Stock

Mfr. Part #
MDSR-7-10-20

Mouser Part #
934-MDSR-710-20

Littelfuse

Magnetic / Reed Switches SWITCH REED

Learn More

Datasheet

1,305In Stock

$1.07

$0.899

$0.873

Min.: 1
Mult.: 1

Proximity Sensors 59010-1-T-02-F SENS

59010-1-T-02-F
Littelfuse
1: $16.01
289In Stock

Mfr. Part #
59010-1-T-02-F

Mouser Part #
934-59010-1-T-02-F

Littelfuse

Proximity Sensors 59010-1-T-02-F SENS

Learn More

Datasheet

289In Stock

$16.01

$13.58

$11.94

$11.73

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches SWITCH REED

MDRR-DT-15-25-F
Littelfuse
1: $5.67
1,231In Stock
2,000Expected 2026-07-15

Mfr. Part #
MDRR-DT-15-25-F

Mouser Part #
934-MDRR-DT15-25F

Littelfuse

Magnetic / Reed Switches SWITCH REED

Learn More

Datasheet

1,231In Stock

2,000Expected 2026-07-15

$5.67

$5.02

$4.77

$4.43

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE3321C1200
Littelfuse
1: $8.28
888In Stock
Factory Special Order

Mfr. Part #
HE3321C1200

Mouser Part #
934-HE3321C1200

Factory Special Order

Littelfuse

Reed Relays REED RELAY

Learn More

Datasheet

888In Stock

$8.28

$7.38

$7.05

$6.80

View

Min.: 1
Mult.: 1

Reed Relays HE3351A1200

HE3351A1200
Littelfuse
1: $5.87
430In Stock
Factory Special Order

Mfr. Part #
HE3351A1200

Mouser Part #
934-HE3351A1200

Factory Special Order

Littelfuse

Reed Relays HE3351A1200

Learn More

Datasheet

430In Stock

$5.87

$5.07

$4.90

$4.79

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721A1210
Littelfuse
1: $3.84
1,047In Stock
Factory Special Order

Mfr. Part #
HE721A1210

Mouser Part #
934-HE721A1210

Factory Special Order

Littelfuse

Reed Relays REED RELAY

Datasheet

1,047In Stock

$3.84

$3.43

$3.27

$3.16

View

Min.: 1
Mult.: 1

Proximity Sensors 59025-1-V-05-A SENS

59025-1-V-05-A
Littelfuse
1: $4.77
36In Stock

Mfr. Part #
59025-1-V-05-A

Mouser Part #
576-59025-1-V-05-A

Littelfuse

Proximity Sensors 59025-1-V-05-A SENS

Learn More

Datasheet

36In Stock

$4.77

$4.26

$4.08

$3.86

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE

55075-00-02-A
Littelfuse
1: $39.90
56In Stock
500On Order

Mfr. Part #
55075-00-02-A

Mouser Part #
934-55075-00-02-A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE

Learn More

Datasheet

56In Stock

500On Order

$39.90

$38.55

$36.95

$35.85

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN

55100-3H-03-A
Littelfuse
1: $10.21
100In Stock
500Expected 2026-07-09

Mfr. Part #
55100-3H-03-A

Mouser Part #
934-55100-3H-03-A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN

Learn More

Datasheet

100In Stock

500Expected 2026-07-09

$10.21

$9.32

$8.99

$8.66

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55100 2M02A HALL SENSOR

55100-2M-02-A
Littelfuse
1: $9.77
162In Stock
500Expected 2026-05-25

Mfr. Part #
55100-2M-02-A

Mouser Part #
934-551002M02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55100 2M02A HALL SENSOR

Learn More

Datasheet

162In Stock

500Expected 2026-05-25

$9.77

$8.91

$8.59

$8.28

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MNT PROX SEN 3WIRE

55100-3H-02-A
Littelfuse
1: $9.49
258In Stock
1,700Expected 2026-05-22

Mfr. Part #
55100-3H-02-A

Mouser Part #
934-551003H02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MNT PROX SEN 3WIRE

Learn More

Datasheet

258In Stock

1,700Expected 2026-05-22

$9.49

$8.93

$8.74

$8.42

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial MIN FLANGE MNT PROX SENS 3WIRE

55140-3M-02-A
Littelfuse
1: $10.63
200In Stock
1,100On Order

Mfr. Part #
55140-3M-02-A

Mouser Part #
934-551403M02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial MIN FLANGE MNT PROX SENS 3WIRE

Learn More

Datasheet

200In Stock

1,100On Order

$10.63

$9.72

$9.36

$9.04

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories Actuator for 59022

57022-000
Littelfuse
1: $4.59
312In Stock

Mfr. Part #
57022-000

Mouser Part #
934-57022-000

Littelfuse

Sensor Hardware & Accessories Actuator for 59022

Learn More

Datasheet

312In Stock

$4.59

$4.39

$3.98

$3.69

$3.64

Min.: 1
Mult.: 1

Sensor Hardware & Accessories 57060 000 ACTUATOR

57060-000
Littelfuse
1: $18.62
59In Stock
500Expected 2026-06-29

Mfr. Part #
57060-000

Mouser Part #
934-57060-000

Littelfuse

Sensor Hardware & Accessories 57060 000 ACTUATOR

Learn More

Datasheet

59In Stock

500Expected 2026-06-29

$18.62

$17.10

$17.03

Min.: 1
Mult.: 1

Sensor Hardware & Accessories Actuator Mini Flange Mount Sensor 23x14x6

57141-000
Littelfuse
1: $3.91
664In Stock

Mfr. Part #
57141-000

Mouser Part #
934-57141-000

Littelfuse

Sensor Hardware & Accessories Actuator Mini Flange Mount Sensor 23x14x6

Learn More

Datasheet

664In Stock

$3.91

$3.74

$3.39

$3.27

View

Min.: 1
Mult.: 1

Proximity Sensors MINI-CYLINDRICAL REED SENSOR

59020-010
Littelfuse
1: $10.40
226In Stock

Mfr. Part #
59020-010

Mouser Part #
934-59020-010

Littelfuse

Proximity Sensors MINI-CYLINDRICAL REED SENSOR

Learn More

Datasheet

226In Stock

$10.40

$8.85

$8.66

$8.00

View

Min.: 1
Mult.: 1

Proximity Sensors NO 6-10AT 1m TIN 59020 Firecracker

59020-1-S-05-A
Littelfuse
1: $13.31
34In Stock

Mfr. Part #
59020-1-S-05-A

Mouser Part #
934-59020-1-S-05-A

Littelfuse

Proximity Sensors NO 6-10AT 1m TIN 59020 Firecracker

Learn More

Datasheet

34In Stock

$13.31

$10.52

$10.29

$9.02

View

Min.: 1
Mult.: 1

Proximity Sensors NO 22-28AT 300mm TIN

59022-1-U-02-A
Littelfuse
1: $5.74
446In Stock

Mfr. Part #
59022-1-U-02-A

Mouser Part #
934-59022-1-U-02-A

Littelfuse

Proximity Sensors NO 22-28AT 300mm TIN

Learn More

Datasheet

446In Stock

$5.74

$4.45

$4.40

$4.11

View

Min.: 1
Mult.: 1

Proximity Sensors CO 15-20AT 300mm TIN

59022-3-S-02-A
Littelfuse
1: $7.72
204In Stock
500Expected 2026-05-13

Mfr. Part #
59022-3-S-02-A

Mouser Part #
934-59022-3-S-02-A

Littelfuse

Proximity Sensors CO 15-20AT 300mm TIN

Learn More

Datasheet

204In Stock

500Expected 2026-05-13

$7.72

$6.88

$6.36

$5.83

View

Min.: 1
Mult.: 1

Proximity Sensors NC 15-20AT 300mm TIN

59022-4-S-02-A
Littelfuse
1: $7.27
365In Stock
500Expected 2026-06-09

Mfr. Part #
59022-4-S-02-A

Mouser Part #
934-59022-4-S-02-A

Littelfuse

Proximity Sensors NC 15-20AT 300mm TIN

Learn More

Datasheet

365In Stock

500Expected 2026-06-09

$7.27

$5.63

$4.99

$4.53

Min.: 1
Mult.: 1

Proximity Sensors NC 25-30AT 300mm TIN

59022-4-U-02-A
Littelfuse
1: $7.29
179In Stock

Mfr. Part #
59022-4-U-02-A

Mouser Part #
934-59022-4-U-02-A

Littelfuse

Proximity Sensors NC 25-30AT 300mm TIN

Learn More

Datasheet

179In Stock

$7.29

$6.49

$6.01

$5.50

View

Min.: 1
Mult.: 1

Proximity Sensors NC 25-30AT 300mm UNTIN

59022-4-U-02-F
Littelfuse
1: $6.94
480In Stock

Mfr. Part #
59022-4-U-02-F

Mouser Part #
934-59022-4-U-02-F

Littelfuse

Proximity Sensors NC 25-30AT 300mm UNTIN

Learn More

Datasheet

480In Stock

$6.94

$5.36

$4.77

$4.76

View

Min.: 1
Mult.: 1

Proximity Sensors 200V 100mm TINNED LEADS

59025-1-S-01-A
Littelfuse
1: $3.55
568In Stock

Mfr. Part #
59025-1-S-01-A

Mouser Part #
934-59025-1-S-01-A

Littelfuse

Proximity Sensors 200V 100mm TINNED LEADS

Learn More

Datasheet

568In Stock

$3.55

$2.77

$2.45

$2.23

View

Min.: 1
Mult.: 1

Proximity Sensors 59025-1-S-02-F SENS

59025-1-S-02-F
Littelfuse
1: $4.91
956In Stock

Mfr. Part #
59025-1-S-02-F

Mouser Part #
934-59025-1-S-02-F

Littelfuse

Proximity Sensors 59025-1-S-02-F SENS

Learn More

Datasheet

956In Stock

$4.91

$3.83

$3.33

$3.15

View

Min.: 1
Mult.: 1

Sensors Portfolio

All Results (2,679)

Mouser Electronics®

Company

Resources

Support

Sensors Portfolio

All Results (2,679)

Sensors

Electromechanical

Industrial Automation