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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.

All Results (2,680)

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Part #

Magnetic/Reed Switches Sub-Mini NO Switch

MDCG-4-7-13
Littelfuse
1: $1.13
7,293In Stock

Mfr. Part No.
MDCG-4-7-13

Mouser Part No
934-MDCG-4-7-13

Littelfuse

Magnetic/Reed Switches Sub-Mini NO Switch

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Datasheet

7,293In Stock

$1.13

$0.957

$0.89

$0.792

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55100 3H02D HALL SENSOR

55100-3H-02-D
Littelfuse
1: $8.83
736In Stock

Mfr. Part No.
55100-3H-02-D

Mouser Part No
934-55100-3H-02-D

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55100 3H02D HALL SENSOR

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Datasheet

736In Stock

$8.83

$8.09

$7.82

$7.55

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Min.: 1
Mult.: 1

Proximity Sensors PROX SEN THREAD BARREL SPST-NC

59065-040
Littelfuse
1: $4.35
863In Stock

Mfr. Part No.
59065-040

Mouser Part No
934-59065-040

Littelfuse

Proximity Sensors PROX SEN THREAD BARREL SPST-NC

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Datasheet

863In Stock

$4.35

$3.77

$3.29

$3.04

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Min.: 1
Mult.: 1

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

59065-4-T-02-F
Littelfuse
1: $6.42
374In Stock

Mfr. Part No.
59065-4-T-02-F

Mouser Part No
934-59065-4-T-02-F

Littelfuse

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

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Datasheet

374In Stock

$6.42

$4.95

$4.94

$4.41

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Min.: 1
Mult.: 1

Proximity Sensors PROX SEN VANE SPST-NC W/WIRE

59085-040
Littelfuse
1: $8.18
636In Stock

Mfr. Part No.
59085-040

Mouser Part No
934-59085-040

Littelfuse

Proximity Sensors PROX SEN VANE SPST-NC W/WIRE

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Datasheet

636In Stock

$8.18

$6.28

$5.61

$5.16

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Min.: 1
Mult.: 1

Proximity Sensors 59145-1-T-02-F SENS

59145-1-T-02-F
Littelfuse
1: $3.44
841In Stock

Mfr. Part No.
59145-1-T-02-F

Mouser Part No
934-59145-1-T-02-F

Littelfuse

Proximity Sensors 59145-1-T-02-F SENS

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Datasheet

841In Stock

$3.44

$2.67

$2.35

$2.17

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Min.: 1
Mult.: 1

Level Sensors 59630 1T03A FLOAT SENSOR

59630-1-T-03-A
Littelfuse
1: $8.84
503In Stock

Mfr. Part No.
59630-1-T-03-A

Mouser Part No
934-59630-1-T-03-A

Littelfuse

Level Sensors 59630 1T03A FLOAT SENSOR

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Datasheet

503In Stock

$8.84

$6.79

$6.07

$5.83

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Min.: 1
Mult.: 1

Magnetic/Reed Switches NO 25-30AT

MDSR-7-25-30
Littelfuse
1: $1.23
2,377In Stock

Mfr. Part No.
MDSR-7-25-30

Mouser Part No
934-MDSR-7-25-30

Littelfuse

Magnetic/Reed Switches NO 25-30AT

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Datasheet

2,377In Stock

$1.23

$1.05

$0.968

$0.862

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Min.: 1
Mult.: 1

Proximity Sensors 59075-1-U-03-A Proximity Sensors

59075-1-U-03-A
Littelfuse
1: $22.41
317In Stock

Mfr. Part No.
59075-1-U-03-A

Mouser Part No
934-59075-1-U-03-A

Littelfuse

Proximity Sensors 59075-1-U-03-A Proximity Sensors

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Datasheet

317In Stock

$22.41

$18.50

$17.18

$17.15

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Min.: 1
Mult.: 1

Proximity Sensors 59025-3-S-02-A

59025-3-S-02-A
Littelfuse
1: $5.95
500In Stock

Mfr. Part No.
59025-3-S-02-A

Mouser Part No
934-59025-3-S-02-A

Littelfuse

Proximity Sensors 59025-3-S-02-A

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Datasheet

500In Stock

$5.95

$4.59

$4.09

$3.76

View

Min.: 1
Mult.: 1

Proximity Sensors 59140-4-S-02-A SENS

59140-4-S-02-A
Littelfuse
1: $5.25
2,137In Stock

Mfr. Part No.
59140-4-S-02-A

Mouser Part No
934-59140-4-S-02-A

Littelfuse

Proximity Sensors 59140-4-S-02-A SENS

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Datasheet

2,137In Stock

$5.25

$4.05

$3.45

$3.24

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MDRR-DT 1156 15-20 U

MDRR-DT-15-20-U
Littelfuse
1: $4.81
686In Stock

Mfr. Part No.
MDRR-DT-15-20-U

Mouser Part No
934-MDRR-DT15-20U

Littelfuse

Magnetic/Reed Switches MDRR-DT 1156 15-20 U

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Datasheet

686In Stock

$4.81

$4.02

$3.72

$3.33

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDRR-DT 1156 25-30 U

MDRR-DT-25-30-U
Littelfuse
1: $4.81
642In Stock

Mfr. Part No.
MDRR-DT-25-30-U

Mouser Part No
934-MDRR-DT25-30U

Littelfuse

Magnetic/Reed Switches MDRR-DT 1156 25-30 U

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Datasheet

642In Stock

$4.81

$4.01

$3.72

$3.33

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches 20-25AT 200Vdc @ 10W

MASM-14R-20-25
Littelfuse
1: $1.35
1,786In Stock

Mfr. Part No.
MASM-14R-20-25

Mouser Part No
934-MASM-14R-20-25

Littelfuse

Magnetic/Reed Switches 20-25AT 200Vdc @ 10W

Datasheet

1,786In Stock

Cut Tape

$1.35

$1.15

$1.06

$0.944

Reel

$0.726

View

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches MDCG-4 17-23

MDCG-4-17-23
Littelfuse
1: $1.00
1,767In Stock

Mfr. Part No.
MDCG-4-17-23

Mouser Part No
934-MDCG-417-23

Littelfuse

Magnetic/Reed Switches MDCG-4 17-23

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Datasheet

1,767In Stock

$1.00

$0.868

$0.818

$0.78

Min.: 1
Mult.: 1

Magnetic/Reed Switches NO 7-13AT SMT

MDSM-4R-7-13
Littelfuse
1: $1.09
1,567In Stock

Mfr. Part No.
MDSM-4R-7-13

Mouser Part No
934-MDSM-4R-7-13

Littelfuse

Magnetic/Reed Switches NO 7-13AT SMT

Learn More

Datasheet

1,567In Stock

Cut Tape

$1.09

$0.976

$0.947

Reel

$0.947

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches SWITCH REED

MDSR-7-10-15
Littelfuse
1: $1.01
1,146In Stock

Mfr. Part No.
MDSR-7-10-15

Mouser Part No
934-MDSR-710-15

Littelfuse

Magnetic/Reed Switches SWITCH REED

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Datasheet

1,146In Stock

$1.01

$0.879

$0.725

$0.672

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSM-4R 5277 17-23

MDSM-4R-17-23
Littelfuse
1: $1.09
1,813In Stock

Mfr. Part No.
MDSM-4R-17-23

Mouser Part No
934-MDSM-4R17-23

Littelfuse

Magnetic/Reed Switches MDSM-4R 5277 17-23

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Datasheet

1,813In Stock

Cut Tape

$1.09

$0.984

$0.933

$0.873

Reel

$0.709

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches MDRR-DT 1156 15-30 U

MDRR-DT-15-30-U
Littelfuse
1: $4.84
2,375In Stock

Mfr. Part No.
MDRR-DT-15-30-U

Mouser Part No
934-MDRR-DT15-30U

Littelfuse

Magnetic/Reed Switches MDRR-DT 1156 15-30 U

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Datasheet

2,375In Stock

$4.84

$4.05

$3.76

$3.35

View

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721C1210
Littelfuse
1: $4.12
4,195In Stock
Factory Special Order

Mfr. Part No.
HE721C1210

Mouser Part No
934-HE721C1210

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

4,195In Stock

$4.12

$3.84

$3.74

$3.66

View

Min.: 1
Mult.: 1

Reed Relays HE3621A6012 REED RELAY

HE3621A6012
Littelfuse
1: $2.14
3,186In Stock
Factory Special Order

Mfr. Part No.
HE3621A6012

Mouser Part No
934-HE3621A6012

Factory Special Order

Littelfuse

Reed Relays HE3621A6012 REED RELAY

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Datasheet

3,186In Stock

$2.14

$1.91

$1.83

$1.76

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSM-DTB 15-30

MDSM-DTB-15-30
Littelfuse
1: $5.86
188In Stock

Mfr. Part No.
MDSM-DTB-15-30

Mouser Part No
934-MDSM-DTB15-30

Littelfuse

Magnetic/Reed Switches MDSM-DTB 15-30

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Datasheet

188In Stock

$5.86

$5.04

$4.66

$4.15

View

Min.: 1
Mult.: 1

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

55140-3H-03-A
Littelfuse
1: $8.58
24In Stock
500Expected 2026/07/13

Mfr. Part No.
55140-3H-03-A

Mouser Part No
934-55140-3H-03-A

Littelfuse

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

Learn More

Datasheet

24In Stock

500Expected 2026/07/13

$8.58

$7.83

$7.55

$6.07

View

Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT 300mm CONN

59022-1-S-02-E
Littelfuse
1: $2.67
438In Stock

Mfr. Part No.
59022-1-S-02-E

Mouser Part No
934-59022-1-S-02-E

Littelfuse

Proximity Sensors NO 12-18AT 300mm CONN

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Datasheet

438In Stock

$2.67

$2.17

$1.93

$1.65

View

Min.: 1
Mult.: 1

Proximity Sensors 59140-4-U-02-A SENS

59140-4-U-02-A
Littelfuse
1: $5.45
24In Stock
500Expected 2026/04/14

Mfr. Part No.
59140-4-U-02-A

Mouser Part No
934-59140-4-U-02-A

Littelfuse

Proximity Sensors 59140-4-U-02-A SENS

Learn More

Datasheet

24In Stock

500Expected 2026/04/14

$5.45

$4.87

$4.49

$4.12

View

Min.: 1
Mult.: 1

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