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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 3 Wire SW 500mm TIN

55100-3H-04-A
Littelfuse
1: $8.80
5,300In Stock

Mfr. Part #
55100-3H-04-A

Mouser Part #
934-55100-3H-04-A

Littelfuse

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

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Datasheet

5,300In Stock

$8.80

$8.25

$7.85

$7.17

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Min.: 1
Mult.: 1

Magnetic / Reed Switches 59165-1-U-00-A SENS

59165-1-U-00-A
Littelfuse
1: $2.03
13,239In Stock

Mfr. Part #
59165-1-U-00-A

Mouser Part #
934-59165-1-U-00-A

Littelfuse

Magnetic / Reed Switches 59165-1-U-00-A SENS

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Datasheet

13,239In Stock

$2.03

$1.34

$1.26

$1.15

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Min.: 1
Mult.: 1

Magnetic / Reed Switches 59050-3-S-00-0 SENS

59050-3-S-00-0
Littelfuse
1: $5.01
572In Stock

Mfr. Part #
59050-3-S-00-0

Mouser Part #
576-59050-3-S-00-0

Littelfuse

Magnetic / Reed Switches 59050-3-S-00-0 SENS

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Datasheet

572In Stock

$5.01

$4.18

$3.88

$3.27

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Min.: 1
Mult.: 1

Magnetic / Reed Switches 59050-3-T-00-0 SENS

59050-3-T-00-0
Littelfuse
1: $4.98
634In Stock

Mfr. Part #
59050-3-T-00-0

Mouser Part #
576-59050-3-T-00-0

Littelfuse

Magnetic / Reed Switches 59050-3-T-00-0 SENS

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Datasheet

634In Stock

$4.98

$4.16

$3.85

$3.25

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SEN VANE SPST-NO W/WIRE

59085-010
Littelfuse
1: $9.50
5,814In Stock
300Expected 8/20/2026

Mfr. Part #
59085-010

Mouser Part #
934-59085-010

Littelfuse

Proximity Sensors PROX SEN VANE SPST-NO W/WIRE

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Datasheet

5,814In Stock

300Expected 8/20/2026

$9.50

$8.61

$8.28

$7.88

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Min.: 1
Mult.: 1

Proximity Sensors 59251-1-S-02-A SENS

59251-1-S-02-A
Littelfuse
1: $32.92
296In Stock
200Expected 10/28/2026

Mfr. Part #
59251-1-S-02-A

Mouser Part #
934-59251-1-S-02-A

Littelfuse

Proximity Sensors 59251-1-S-02-A SENS

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Datasheet

296In Stock

200Expected 10/28/2026

$32.92

$29.76

$26.28

$24.05

$22.82

Min.: 1
Mult.: 1

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

55140-3H-03-A
Littelfuse
1: $8.60
504In Stock

Mfr. Part #
55140-3H-03-A

Mouser Part #
934-55140-3H-03-A

Littelfuse

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

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Datasheet

504In Stock

$8.60

$7.78

$7.48

$7.11

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SENS CHANGE OVER UNTINNED

59025-3-T-02-F
Littelfuse
1: $5.45
495In Stock

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

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

Littelfuse

Proximity Sensors PROX SENS CHANGE OVER UNTINNED

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Datasheet

495In Stock

$5.45

$4.91

$4.71

$4.46

View

Min.: 1
Mult.: 1

Proximity Sensors 59085-1-T-02-F SENS

59085-1-T-02-F
Littelfuse
1: $8.01
975In Stock

Mfr. Part #
59085-1-T-02-F

Mouser Part #
934-59085-1-T-02-F

Littelfuse

Proximity Sensors 59085-1-T-02-F SENS

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Datasheet

975In Stock

$8.01

$7.24

$6.96

$6.61

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches 175V 5WATTS

MDRR-DT-30-35-F
Littelfuse
1: $5.34
857In Stock
1,000Expected 10/26/2026

Mfr. Part #
MDRR-DT-30-35-F

Mouser Part #
934-MDRR-DT-30-35-F

Littelfuse

Magnetic / Reed Switches 175V 5WATTS

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Datasheet

857In Stock

1,000Expected 10/26/2026

$5.34

$4.45

$4.12

$3.68

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MDSM-10R 5431 15-20

MDSM-10R-15-20
Littelfuse
1: $1.57
2,877In Stock

Mfr. Part #
MDSM-10R-15-20

Mouser Part #
934-MDSM-10R15-20

Littelfuse

Magnetic / Reed Switches MDSM-10R 5431 15-20

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Datasheet

2,877In Stock

Cut Tape

$1.57

$1.33

$1.29

$1.15

View

Reel

$0.912

Min.: 1
Mult.: 1

: 3,000

Magnetic / Reed Switches 59050-1-T-00-0 SENS

59050-1-T-00-0
Littelfuse
1: $2.52
973In Stock

Mfr. Part #
59050-1-T-00-0

Mouser Part #
934-59050-1-T-00-0

Littelfuse

Magnetic / Reed Switches 59050-1-T-00-0 SENS

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Datasheet

973In Stock

$2.52

$2.12

$1.97

$1.89

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SEN THREAD BARREL SPST-NO

59065-1-S-02-A
Littelfuse
1: $5.95
1,405In Stock

Mfr. Part #
59065-1-S-02-A

Mouser Part #
934-59065-1-S-02-A

Littelfuse

Proximity Sensors PROX SEN THREAD BARREL SPST-NO

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Datasheet

1,405In Stock

$5.95

$4.96

$4.59

$3.73

View

Min.: 1
Mult.: 1

Proximity Sensors 59085 030 PROX SENSOR

59085-030
Littelfuse
1: $9.69
275In Stock

Mfr. Part #
59085-030

Mouser Part #
934-59085-030

Littelfuse

Proximity Sensors 59085 030 PROX SENSOR

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Datasheet

275In Stock

$9.69

$9.68

$8.03

$7.44

View

Min.: 1
Mult.: 1

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

MASM-14R-15-20
Littelfuse
1: $1.47
2,469In Stock

Mfr. Part #
MASM-14R-15-20

Mouser Part #
934-MASM-14R-15-20

Littelfuse

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

Datasheet

2,469In Stock

Cut Tape

$1.47

$1.25

$1.16

$1.04

View

Reel

$0.857

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Magnetic / Reed Switches MDRR-DT-30-35-U

MDRR-DT-30-35-U
Littelfuse
1: $5.84
757In Stock

Mfr. Part #
MDRR-DT-30-35-U

Mouser Part #
934-MDRR-DT30-35U

Littelfuse

Magnetic / Reed Switches MDRR-DT-30-35-U

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Datasheet

757In Stock

$5.84

$4.87

$4.51

$4.03

View

Min.: 1
Mult.: 1

Proximity Sensors 300V 1000mm TINNED LEADS

59145-2-T-05-F
Littelfuse
1: $7.18
500In Stock

Mfr. Part #
59145-2-T-05-F

Mouser Part #
934-59145-2-T-05-F

Littelfuse

Proximity Sensors 300V 1000mm TINNED LEADS

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Datasheet

500In Stock

$7.18

$5.97

$5.53

$5.52

View

Min.: 1
Mult.: 1

Sensor Hardware & Accessories MAGNET H-32 MAGNETIZED

H-32-MAGNET
Littelfuse
1: $4.47
1,185In Stock

Mfr. Part #
H-32-MAGNET

Mouser Part #
934-H-32

Littelfuse

Sensor Hardware & Accessories MAGNET H-32 MAGNETIZED

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Datasheet

1,185In Stock

$4.47

$4.01

$3.71

$3.56

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches Sub-Mini NO Switch

MDCG-4-7-13
Littelfuse
1: $1.23
7,061In Stock

Mfr. Part #
MDCG-4-7-13

Mouser Part #
934-MDCG-4-7-13

Littelfuse

Magnetic / Reed Switches Sub-Mini NO Switch

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Datasheet

7,061In Stock

$1.23

$1.05

$0.972

$0.866

View

Min.: 1
Mult.: 1

Board Mount Temperature Sensors 100degC 12ohm

SETP0805-100-SE-2
Littelfuse
1: $0.42
6,654In Stock

Mfr. Part #
SETP0805-100-SE-2

Mouser Part #
650-SETP0805-100-SE

Littelfuse

Board Mount Temperature Sensors 100degC 12ohm

Learn More

Datasheet

6,654In Stock

Cut Tape

$0.42

$0.375

$0.344

$0.326

View

Reel

$0.238

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

59025-4-T-02-F
Littelfuse
1: $5.64
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

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Datasheet

598In Stock

$5.64

$4.70

$4.36

$4.35

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches 59050 020 SENSOR

59050-020
Littelfuse
1: $3.48
999In Stock

Mfr. Part #
59050-020

Mouser Part #
934-59050-020

Littelfuse

Magnetic / Reed Switches 59050 020 SENSOR

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Datasheet

999In Stock

$3.48

$2.92

$2.70

$2.28

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches 59165-1-U-00-D SENSOR

59165-1-U-00-D
Littelfuse
1: $1.52
3,738In Stock

Mfr. Part #
59165-1-U-00-D

Mouser Part #
934-59165-1-U-00-D

Littelfuse

Magnetic / Reed Switches 59165-1-U-00-D SENSOR

Learn More

Datasheet

3,738In Stock

Cut Tape

$1.52

$1.31

$1.22

$1.08

Reel

$0.746

View

Min.: 1
Mult.: 1

: 1,500

Magnetic / Reed Switches 59170-1-S-00-C SENSOR

59170-1-S-00-C
Littelfuse
1: $2.55
6,019In Stock

Mfr. Part #
59170-1-S-00-C

Mouser Part #
934-59170-1-S-00-C

Littelfuse

Magnetic / Reed Switches 59170-1-S-00-C SENSOR

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Datasheet

6,019In Stock

$2.55

$2.15

$1.99

$1.78

View

Min.: 1
Mult.: 1

Proximity Sensors 59065-4-T-02-F SENS

59065-4-T-02-F
Littelfuse
1: $7.18
368In Stock

Mfr. Part #
59065-4-T-02-F

Mouser Part #
934-59065-4-T-02-F

Littelfuse

Proximity Sensors 59065-4-T-02-F SENS

Learn More

Datasheet

368In Stock

$7.18

$7.17

$5.96

$5.53

View

Min.: 1
Mult.: 1

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