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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.

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Part #

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

55100-3M-02-A
Littelfuse
1: $9.59
441In Stock
500Expected 2026-05-08

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

Mouser Part #
934-551003M02A

Littelfuse

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

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Datasheet

441In Stock

500Expected 2026-05-08

$9.59

$8.60

$8.54

$8.35

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Min.: 1
Mult.: 1

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

55140-3H-02-A
Littelfuse
1: $10.06
763In Stock

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

Mouser Part #
934-551403H02A

Littelfuse

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

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Datasheet

763In Stock

$10.06

$9.39

$9.18

$9.05

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Min.: 1
Mult.: 1

Sensor Hardware & Accessories ACTUATOR FOR 59010 /59020 /59021

57020-000
Littelfuse
1: $6.59
576In Stock

Mfr. Part #
57020-000

Mouser Part #
934-57020-000

Littelfuse

Sensor Hardware & Accessories ACTUATOR FOR 59010 /59020 /59021

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Datasheet

576In Stock

$6.59

$5.98

$5.75

$5.53

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories Actuator For 59040 Series

57040-000
Littelfuse
1: $6.03
865In Stock
1,200Expected 2026-06-18

Mfr. Part #
57040-000

Mouser Part #
934-57040-000

Littelfuse

Sensor Hardware & Accessories Actuator For 59040 Series

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Datasheet

865In Stock

1,200Expected 2026-06-18

$6.03

$5.47

$5.27

$5.05

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories 57045 000 ACTUATOR

57045-000
Littelfuse
1: $3.46
3,200In Stock

Mfr. Part #
57045-000

Mouser Part #
934-57045-000

Littelfuse

Sensor Hardware & Accessories 57045 000 ACTUATOR

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Datasheet

3,200In Stock

$3.46

$3.30

$2.98

$2.95

$2.62

Min.: 1
Mult.: 1

Sensor Hardware & Accessories 57050 000 ACTUATOR

57050-000
Littelfuse
1: $5.35
829In Stock
720Expected 2026-05-14

Mfr. Part #
57050-000

Mouser Part #
934-57050-000

Littelfuse

Sensor Hardware & Accessories 57050 000 ACTUATOR

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Datasheet

829In Stock

720Expected 2026-05-14

$5.35

$5.12

$4.65

$4.34

$4.26

Min.: 1
Mult.: 1

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

57065-000
Littelfuse
1: $3.50
1,100In Stock

Mfr. Part #
57065-000

Mouser Part #
934-57065-000

Littelfuse

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

1,100In Stock

$3.50

$3.16

$3.04

$2.90

$2.67

Min.: 1
Mult.: 1

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

57070-000
Littelfuse
1: $3.50
2,473In Stock
1,300Expected 2026-05-11

Mfr. Part #
57070-000

Mouser Part #
934-57070-000

Littelfuse

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

2,473In Stock

1,300Expected 2026-05-11

$3.50

$3.16

$3.04

$2.90

$2.67

Min.: 1
Mult.: 1

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

57135-000
Littelfuse
1: $2.51
9,630In Stock
6,350Expected 2026-04-15

Mfr. Part #
57135-000

Mouser Part #
934-57135-000

Littelfuse

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

9,630In Stock

6,350Expected 2026-04-15

$2.51

$2.25

$2.15

$2.06

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories ACTUATOR FOR 59145 SERIES

57145-000
Littelfuse
1: $2.74
9,364In Stock
3,200Expected 2026-07-02

Mfr. Part #
57145-000

Mouser Part #
934-57145-000

Littelfuse

Sensor Hardware & Accessories ACTUATOR FOR 59145 SERIES

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Datasheet

9,364In Stock

3,200Expected 2026-07-02

$2.74

$2.46

$2.37

$2.26

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories ACTUATOR FOR 59150 SERIES

57150-000
Littelfuse
1: $2.74
8,069In Stock
7,200Expected 2026-05-25

Mfr. Part #
57150-000

Mouser Part #
934-57150-000

Littelfuse

Sensor Hardware & Accessories ACTUATOR FOR 59150 SERIES

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Datasheet

8,069In Stock

7,200Expected 2026-05-25

$2.74

$2.46

$2.37

$2.25

View

Min.: 1
Mult.: 1

Proximity Sensors SUB-MIN FIRECRACKER REED SENSR

59010-1-S-02-A
Littelfuse
1: $18.34
293In Stock

Mfr. Part #
59010-1-S-02-A

Mouser Part #
934-59010-1-S-02-A

Littelfuse

Proximity Sensors SUB-MIN FIRECRACKER REED SENSR

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Datasheet

293In Stock

$18.34

$14.37

$12.82

$12.03

View

Min.: 1
Mult.: 1

Proximity Sensors SUB-MIN FIRECRACKER REED SENSR

59010-1-S-02-F
Littelfuse
1: $16.26
384In Stock
500Expected 2026-05-25

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

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

Littelfuse

Proximity Sensors SUB-MIN FIRECRACKER REED SENSR

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Datasheet

384In Stock

500Expected 2026-05-25

$16.26

$13.49

$12.49

$11.16

View

Min.: 1
Mult.: 1

Proximity Sensors 175V 100mm TINNED LEADS

59020-1-S-01-A
Littelfuse
1: $11.27
908In Stock

Mfr. Part #
59020-1-S-01-A

Mouser Part #
934-59020-1-S-01-A

Littelfuse

Proximity Sensors 175V 100mm TINNED LEADS

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Datasheet

908In Stock

$11.27

$8.76

$8.74

$7.58

View

Min.: 1
Mult.: 1

Proximity Sensors MINI-CYLINDRICAL REED SENSOR

59020-1-S-02-A
Littelfuse
1: $10.21
825In Stock

Mfr. Part #
59020-1-S-02-A

Mouser Part #
934-59020-1-S-02-A

Littelfuse

Proximity Sensors MINI-CYLINDRICAL REED SENSOR

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Datasheet

825In Stock

$10.21

$8.17

$8.09

$7.08

View

Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 300mm TIN

59022-1-S-02-A
Littelfuse
1: $5.74
5,393In Stock

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

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

Littelfuse

Proximity Sensors NO 12-18AT 300mm TIN

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Datasheet

5,393In Stock

$5.74

$4.45

$3.95

$3.63

View

Min.: 1
Mult.: 1

Proximity Sensors PROXIMITY SENSOR 12"LEADS 200V

59025-010
Littelfuse
1: $3.02
3,933In Stock
4,000Expected 2026-05-25

Mfr. Part #
59025-010

Mouser Part #
934-59025-010

Littelfuse

Proximity Sensors PROXIMITY SENSOR 12"LEADS 200V

Learn More

3,933In Stock

4,000Expected 2026-05-25

$3.02

$2.46

$2.19

$2.00

View

Min.: 1
Mult.: 1

Proximity Sensors 59025 030 PROX SENSOR

59025-030
Littelfuse
1: $8.28
2,735In Stock

Mfr. Part #
59025-030

Mouser Part #
934-59025-030

Littelfuse

Proximity Sensors 59025 030 PROX SENSOR

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2,735In Stock

$8.28

$6.40

$5.69

$5.22

$5.21

Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR NORM OPEN TINNED

59025-1-S-02-A
Littelfuse
1: $3.57
2,687In Stock

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

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

Littelfuse

Proximity Sensors PROX SENSOR NORM OPEN TINNED

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Datasheet

2,687In Stock

$3.57

$3.16

$2.90

$2.71

View

Min.: 1
Mult.: 1

Proximity Sensors 59025-3-T-02-A SENS

59025-3-T-02-A
Littelfuse
1: $9.41
828In Stock

Mfr. Part #
59025-3-T-02-A

Mouser Part #
934-59025-3-T-02-A

Littelfuse

Proximity Sensors 59025-3-T-02-A SENS

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Datasheet

828In Stock

$9.41

$7.27

$6.48

$5.95

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SENS NORM CLOSED TINNED

59025-4-S-02-A
Littelfuse
1: $8.09
746In Stock

Mfr. Part #
59025-4-S-02-A

Mouser Part #
934-59025-4-S-02-A

Littelfuse

Proximity Sensors PROX SENS NORM CLOSED TINNED

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Datasheet

746In Stock

$8.09

$6.25

$5.56

$5.10

View

Min.: 1
Mult.: 1

Proximity Sensors 59025-4-T-02-F SENS

59025-4-T-02-F
Littelfuse
1: $8.17
598In Stock

Mfr. Part #
59025-4-T-02-F

Mouser Part #
934-59025-4-T-02-F

Littelfuse

Proximity Sensors 59025-4-T-02-F SENS

Learn More

Datasheet

598In Stock

$8.17

$6.31

$5.63

$5.16

$5.02

Min.: 1
Mult.: 1

Proximity Sensors NC 15-20AT Tinned Leads

59040-4-S-02-A
Littelfuse
1: $8.97
764In Stock

Mfr. Part #
59040-4-S-02-A

Mouser Part #
934-59040-4-S-02-A

Littelfuse

Proximity Sensors NC 15-20AT Tinned Leads

Learn More

Datasheet

764In Stock

$8.97

$7.52

$6.70

$6.20

Min.: 1
Mult.: 1

Magnetic / Reed Switches PROX SENSOR PCB MT NORMAL OPEN

59045-010
Littelfuse
1: $3.12
7,720In Stock

Mfr. Part #
59045-010

Mouser Part #
934-59045-010

Littelfuse

Magnetic / Reed Switches PROX SENSOR PCB MT NORMAL OPEN

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Datasheet

7,720In Stock

$3.12

$2.79

$2.37

Min.: 1
Mult.: 1

Magnetic / Reed Switches 59045-1-T-00-0 SENS

59045-1-T-00-0
Littelfuse
1: $4.79
2,092In Stock

Mfr. Part #
59045-1-T-00-0

Mouser Part #
934-59045-1-T-00-0

Littelfuse

Magnetic / Reed Switches 59045-1-T-00-0 SENS

Learn More

Datasheet

2,092In Stock

$4.79

$4.03

$3.74

$3.15

View

Min.: 1
Mult.: 1

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