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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 #

Proximity Sensors 59140-3-S-02-F SENS

59140-3-S-02-F
Littelfuse
1: $5.95
492In Stock

Mfr. Part No.
59140-3-S-02-F

Mouser Part No
934-59140-3-S-02-F

Littelfuse

Proximity Sensors 59140-3-S-02-F SENS

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Datasheet

492In Stock

$5.95

$4.59

$4.12

$3.79

View

Min.: 1
Mult.: 1

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

59150-1-V-02-A
Littelfuse
1: $3.73
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

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Datasheet

490In Stock

$3.73

$2.90

$2.57

$2.36

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-4 22-28

MLRR-4-22-28
Littelfuse
1: $1.27
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

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Datasheet

1,963In Stock

$1.27

$1.08

$1.01

$0.893

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Min.: 1
Mult.: 1

Level Sensors

59630-1-T-05-A
Littelfuse
1: $4.08
439In Stock

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

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

Littelfuse

Level Sensors

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Datasheet

439In Stock

$4.08

$3.99

$3.91

$3.57

View

Min.: 1
Mult.: 1

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

59170-1-U-00-C
Littelfuse
1: $2.28
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

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Datasheet

626In Stock

$2.28

$1.92

$1.79

$1.59

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Min.: 1
Mult.: 1

Magnetic/Reed Switches

MDSR-10-AW-10-15
Littelfuse
1: $1.38
1,009In Stock

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

Mouser Part No
934-MDSR-10AW10-15

Littelfuse

Magnetic/Reed Switches

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Datasheet

1,009In Stock

$1.38

$1.26

$1.15

$1.05

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSR-10-8-10

MDSR-10-8-10
Littelfuse
1: $1.27
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

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Datasheet

1,944In Stock

$1.27

$1.08

$1.01

$0.893

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Min.: 1
Mult.: 1

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

55100-3M-03-A
Littelfuse
1: $6.59
2,772In Stock
1,200Expected 2026/06/22

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

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Datasheet

2,772In Stock

1,200Expected 2026/06/22

$6.59

$6.01

$5.80

$5.68

Min.: 1
Mult.: 1

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

55140-3H-05-A
Littelfuse
1: $8.59
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

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Datasheet

481In Stock

$8.59

$7.48

$7.07

$6.49

View

Min.: 1
Mult.: 1

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

55505-00-02-A
Littelfuse
1: $22.36
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

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Datasheet

2,100In Stock

$22.36

$21.78

Min.: 1
Mult.: 1

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

55505-00-02-B
Littelfuse
1: $25.88
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

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Datasheet

630In Stock

$25.88

$25.02

$24.66

Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for 59025 Series

57025-000
Littelfuse
1: $2.83
6,345In Stock

Mfr. Part No.
57025-000

Mouser Part No
934-57025-000

Littelfuse

Sensor Fixings & Accessories Actuator for 59025 Series

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Datasheet

6,345In Stock

$2.83

$2.72

$2.50

$2.41

$2.35

Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: $1.73
13,351In Stock
7,560Expected 2026/05/14

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Littelfuse

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

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Datasheet

13,351In Stock

7,560Expected 2026/05/14

$1.73

$1.65

$1.49

$1.48

$1.36

Min.: 1
Mult.: 1

Proximity Sensors PROX SEN THREAD BARREL SPST-NO

59065-020
Littelfuse
1: $4.69
5,675In Stock

Mfr. Part No.
59065-020

Mouser Part No
934-59065-020

Littelfuse

Proximity Sensors PROX SEN THREAD BARREL SPST-NO

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Datasheet

5,675In Stock

$4.69

$3.77

$3.36

$3.08

View

Min.: 1
Mult.: 1

Proximity Sensors Actuator for 59140 and 59141

59140-010
Littelfuse
1: $3.23
8,131In Stock
4,500Expected 2026/05/12

Mfr. Part No.
59140-010

Mouser Part No
934-59140-010

Littelfuse

Proximity Sensors Actuator for 59140 and 59141

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Datasheet

8,131In Stock

4,500Expected 2026/05/12

$3.23

$2.98

$2.54

$2.38

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Min.: 1
Mult.: 1

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

MASM-14R-15-20
Littelfuse
1: $1.34
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

$1.34

$1.15

$1.07

$0.946

Reel

$0.726

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

MDSM-10R-10-25
Littelfuse
1: $1.58
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

$1.58

$1.35

$1.26

$1.12

View

Reel

$1.03

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches SWITCH REED

MDSM-10R-20-25
Littelfuse
1: $1.50
11,190In Stock

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

Mouser Part No
934-MDSM-10R20-25

Littelfuse

Magnetic/Reed Switches SWITCH REED

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Datasheet

11,190In Stock

Cut Tape

$1.50

$1.36

$1.24

$1.13

Reel

$0.92

View

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches SWITCH REED

MDSR-7-10-25
Littelfuse
1: $1.11
2,732In Stock

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

Mouser Part No
934-MDSR-710-25

Littelfuse

Magnetic/Reed Switches SWITCH REED

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Datasheet

2,732In Stock

$1.11

$0.956

$0.89

$0.811

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE3621A2410
Littelfuse
1: $2.47
5,690In Stock
Factory Special Order

Mfr. Part No.
HE3621A2410

Mouser Part No
934-HE3621A2410

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

5,690In Stock

$2.47

$2.29

$2.05

$2.04

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721C1200
Littelfuse
1: $4.02
1,438In Stock
Factory Special Order

Mfr. Part No.
HE721C1200

Mouser Part No
934-HE721C1200

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

1,438In Stock

$4.02

$3.78

$3.49

$3.42

View

Min.: 1
Mult.: 1

Reed Relays HE751A2400 RELAY

HE751A2400
Littelfuse
1: $2.80
2,276In Stock
Factory Special Order

Mfr. Part No.
HE751A2400

Mouser Part No
934-HE751A2400

Factory Special Order

Littelfuse

Reed Relays HE751A2400 RELAY

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Datasheet

2,276In Stock

$2.80

$2.49

$2.38

$2.30

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for Cylindrical with Retaining Ribs

57041-000
Littelfuse
1: $2.20
446In Stock

Mfr. Part No.
57041-000

Mouser Part No
576-57041-000

Littelfuse

Sensor Fixings & Accessories Actuator for Cylindrical with Retaining Ribs

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Datasheet

446In Stock

$2.20

$1.97

$1.76

$1.69

View

Min.: 1
Mult.: 1

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

55075-00-02-A
Littelfuse
1: $27.83
56In Stock
500On Order

Mfr. Part No.
55075-00-02-A

Mouser Part No
934-55075-00-02-A

Littelfuse

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

Learn More

Datasheet

56In Stock

500On Order

$27.83

Min.: 1
Mult.: 1

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

55100-3M-05-A
Littelfuse
1: $10.05
972In Stock
420Expected 2026/04/28

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 2026/04/28

$10.05

$9.18

$8.35

$7.09

$6.85

Min.: 1
Mult.: 1

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