.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 #

Proximity Sensors 59150-1-V-02-A SENS

59150-1-V-02-A
Littelfuse
1: $5.18
490In Stock

Mfr. Part No.
59150-1-V-02-A

Mouser Part No
934-59150-1-V-02-A

Littelfuse

Proximity Sensors 59150-1-V-02-A SENS

Learn More

Datasheet

490In Stock

$5.18

$4.02

$3.57

$3.28

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-4 22-28

MLRR-4-22-28
Littelfuse
1: $1.77
1,963In Stock

Mfr. Part No.
MLRR-4-22-28

Mouser Part No
934-MLRR-422-28

Littelfuse

Magnetic/Reed Switches MLRR-4 22-28

Learn More

Datasheet

1,963In Stock

$1.77

$1.50

$1.40

$1.24

View

Min.: 1
Mult.: 1

Proximity Sensors 59140-2-T-02-F SENS

59140-2-T-02-F
Littelfuse
1: $5.64
424In Stock

Mfr. Part No.
59140-2-T-02-F

Mouser Part No
934-59140-2-T-02-F

Littelfuse

Proximity Sensors 59140-2-T-02-F SENS

Learn More

Datasheet

424In Stock

$5.64

$4.38

$3.84

$3.54

View

Min.: 1
Mult.: 1

Level Sensors

59630-1-T-05-A
Littelfuse
1: $5.67
439In Stock

Mfr. Part No.
59630-1-T-05-A

Mouser Part No
576-59630-1-T-05-A

Littelfuse

Level Sensors

Learn More

Datasheet

439In Stock

$5.67

$5.55

$5.43

$4.96

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches

MDSR-10-AW-10-15
Littelfuse
1: $1.92
1,009In Stock

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

Mouser Part No
934-MDSR-10AW10-15

Littelfuse

Magnetic/Reed Switches

Learn More

Datasheet

1,009In Stock

$1.92

$1.74

$1.60

$1.46

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSR-10-8-10

MDSR-10-8-10
Littelfuse
1: $1.77
1,944In Stock

Mfr. Part No.
MDSR-10-8-10

Mouser Part No
934-MDSR-10-8-10

Littelfuse

Magnetic/Reed Switches MDSR-10-8-10

Learn More

Datasheet

1,944In Stock

$1.77

$1.50

$1.40

$1.24

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches 59170-1-U-00-C SENS

59170-1-U-00-C
Littelfuse
1: $3.17
626In Stock

Mfr. Part No.
59170-1-U-00-C

Mouser Part No
934-59170-1-U-00-C

Littelfuse

Magnetic/Reed Switches 59170-1-U-00-C SENS

Learn More

Datasheet

626In Stock

$3.17

$2.67

$2.49

$2.21

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55100 3M03A HALL SENSOR

55100-3M-03-A
Littelfuse
1: $9.16
2,772In Stock
1,200Expected 22/6/2026

Mfr. Part No.
55100-3M-03-A

Mouser Part No
934-55100-3M-03-A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55100 3M03A HALL SENSOR

Learn More

Datasheet

2,772In Stock

1,200Expected 22/6/2026

$9.16

$8.35

$8.06

$7.69

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 1m TIN

55140-3H-05-A
Littelfuse
1: $11.94
481In Stock

Mfr. Part No.
55140-3H-05-A

Mouser Part No
934-55140-3H-05-A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 1m TIN

Learn More

Datasheet

481In Stock

$11.94

$10.40

$9.83

$9.02

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

55505-00-02-A
Littelfuse
1: $31.08
2,100In Stock

Mfr. Part No.
55505-00-02-A

Mouser Part No
934-555050002A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

Learn More

Datasheet

2,100In Stock

$31.08

$30.20

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

55505-00-02-B
Littelfuse
1: $35.96
630In Stock

Mfr. Part No.
55505-00-02-B

Mouser Part No
934-555050002B

Littelfuse

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

Learn More

Datasheet

630In Stock

$35.96

$34.76

$33.33

$32.97

$32.96

Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for 59025 Series

57025-000
Littelfuse
1: $3.93
6,343In Stock

Mfr. Part No.
57025-000

Mouser Part No
934-57025-000

Littelfuse

Sensor Fixings & Accessories Actuator for 59025 Series

Learn More

Datasheet

6,343In Stock

$3.93

$3.78

$3.48

$3.35

$3.27

Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: $2.40
13,348In Stock
7,560Expected 14/5/2026

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Littelfuse

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

Learn More

Datasheet

13,348In Stock

7,560Expected 14/5/2026

$2.40

$2.29

$2.07

$2.06

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SEN THREAD BARREL SPST-NO

59065-020
Littelfuse
1: $6.52
5,615In Stock

Mfr. Part No.
59065-020

Mouser Part No
934-59065-020

Littelfuse

Proximity Sensors PROX SEN THREAD BARREL SPST-NO

Learn More

Datasheet

5,615In Stock

$6.52

$5.24

$4.67

$4.28

View

Min.: 1
Mult.: 1

Proximity Sensors Actuator for 59140 and 59141

59140-010
Littelfuse
1: $4.49
7,926In Stock
4,500Expected 12/5/2026

Mfr. Part No.
59140-010

Mouser Part No
934-59140-010

Littelfuse

Proximity Sensors Actuator for 59140 and 59141

Learn More

Datasheet

7,926In Stock

4,500Expected 12/5/2026

$4.49

$4.14

$3.52

$3.31

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches 15-20AT 200Vdc @ 10W

MASM-14R-15-20
Littelfuse
1: $1.86
2,974In Stock

Mfr. Part No.
MASM-14R-15-20

Mouser Part No
934-MASM-14R-15-20

Littelfuse

Magnetic/Reed Switches 15-20AT 200Vdc @ 10W

Datasheet

2,974In Stock

Cut Tape

$1.86

$1.60

$1.49

$1.31

Reel

$1.01

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches MDSM-10R 5431 10-25

MDSM-10R-10-25
Littelfuse
1: $2.20
2,520In Stock

Mfr. Part No.
MDSM-10R-10-25

Mouser Part No
934-MDSM-10R10-25

Littelfuse

Magnetic/Reed Switches MDSM-10R 5431 10-25

Learn More

Datasheet

2,520In Stock

Cut Tape

$2.20

$1.88

$1.75

$1.56

Reel

$1.01

View

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches SWITCH REED

MDSM-10R-20-25
Littelfuse
1: $2.09
11,190In Stock

Mfr. Part No.
MDSM-10R-20-25

Mouser Part No
934-MDSM-10R20-25

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

11,190In Stock

Cut Tape

$2.09

$1.89

$1.72

$1.57

Reel

$1.28

View

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches SWITCH REED

MDSR-7-10-25
Littelfuse
1: $1.54
2,732In Stock

Mfr. Part No.
MDSR-7-10-25

Mouser Part No
934-MDSR-710-25

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

2,732In Stock

$1.54

$1.33

$1.24

$1.13

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE3621A2410
Littelfuse
1: $3.98
5,690In Stock
Factory Special Order

Mfr. Part No.
HE3621A2410

Mouser Part No
934-HE3621A2410

Factory Special Order

Littelfuse

Reed Relays REED RELAY

Learn More

Datasheet

5,690In Stock

$3.98

$3.54

$3.39

$3.28

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721C1200
Littelfuse
1: $5.59
1,438In Stock
Factory Special Order

Mfr. Part No.
HE721C1200

Mouser Part No
934-HE721C1200

Factory Special Order

Littelfuse

Reed Relays REED RELAY

Learn More

Datasheet

1,438In Stock

$5.59

$5.25

$4.85

$4.75

View

Min.: 1
Mult.: 1

Reed Relays HE751A2400 RELAY

HE751A2400
Littelfuse
1: $3.89
2,266In Stock
Factory Special Order

Mfr. Part No.
HE751A2400

Mouser Part No
934-HE751A2400

Factory Special Order

Littelfuse

Reed Relays HE751A2400 RELAY

Learn More

Datasheet

2,266In Stock

$3.89

$3.46

$3.31

$3.20

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for Cylindrical with Retaining Ribs

57041-000
Littelfuse
1: $3.06
446In Stock

Mfr. Part No.
57041-000

Mouser Part No
576-57041-000

Littelfuse

Sensor Fixings & Accessories Actuator for Cylindrical with Retaining Ribs

Learn More

Datasheet

446In Stock

$3.06

$2.72

$2.45

$2.35

View

Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 1m TIN

55100-3M-05-A
Littelfuse
1: $13.97
972In Stock
420Expected 28/4/2026

Mfr. Part No.
55100-3M-05-A

Mouser Part No
934-55100-3M-05-A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 1m TIN

Learn More

Datasheet

972In Stock

420Expected 28/4/2026

$13.97

$12.76

$11.61

$9.86

View

Min.: 1
Mult.: 1

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

55100-3M-02-A
Littelfuse
1: $8.60
441In Stock
500Expected 8/5/2026

Mfr. Part No.
55100-3M-02-A

Mouser Part No
934-551003M02A

Littelfuse

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

Learn More

Datasheet

441In Stock

500Expected 8/5/2026

$8.60

$7.71

$7.66

$7.49

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