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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 (2,679)

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Part #

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

H-33-MAGNET
Littelfuse
1: $2.33
763In Stock

Mfr. Part #
H-33-MAGNET

Mouser Part #
934-H-33

Littelfuse

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

763In Stock

$2.33

$2.09

$2.00

$1.91

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Min.: 1
Mult.: 1

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

H-34-MAGNET
Littelfuse
1: $6.34
112In Stock

Mfr. Part #
H-34-MAGNET

Mouser Part #
934-H-34

Littelfuse

Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

112In Stock

$6.34

$5.75

$5.53

$5.32

Min.: 1
Mult.: 1

Sensor Hardware & Accessories H-36 MAGNET MAGNETIZED

H-36-MAGNET
Littelfuse
1: $4.48
76In Stock

Mfr. Part #
H-36-MAGNET

Mouser Part #
934-H-36

Littelfuse

Sensor Hardware & Accessories H-36 MAGNET MAGNETIZED

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Datasheet

76In Stock

$4.48

$3.58

$3.16

$2.98

Min.: 1
Mult.: 1

Magnetic / Reed Switches HA15-2 17-23

HA15-2-17-23
Littelfuse
1: $3.30
1,046In Stock

Mfr. Part #
HA15-2-17-23

Mouser Part #
934-HA15-217-23

Littelfuse

Magnetic / Reed Switches HA15-2 17-23

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Datasheet

1,046In Stock

$3.30

$2.79

$2.59

$2.31

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Min.: 1
Mult.: 1

Magnetic / Reed Switches Sub-Mini NO Switch

MDCG-4-37-43
Littelfuse
1: $1.61
989In Stock

Mfr. Part #
MDCG-4-37-43

Mouser Part #
934-MDCG-4-37-43

Littelfuse

Magnetic / Reed Switches Sub-Mini NO Switch

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Datasheet

989In Stock

$1.61

$1.37

$1.28

$1.16

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Min.: 1
Mult.: 1

Magnetic / Reed Switches SWITCH REED

MDCG-4-12-23
Littelfuse
1: $1.71
740In Stock

Mfr. Part #
MDCG-4-12-23

Mouser Part #
934-MDCG-412-23

Littelfuse

Magnetic / Reed Switches SWITCH REED

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Datasheet

740In Stock

$1.71

$1.42

$1.30

$1.18

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Min.: 1
Mult.: 1

Magnetic / Reed Switches MDCG-4 12-38

MDCG-4-12-38
Littelfuse
1: $1.74
169In Stock

Mfr. Part #
MDCG-4-12-38

Mouser Part #
934-MDCG-412-38

Littelfuse

Magnetic / Reed Switches MDCG-4 12-38

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Datasheet

169In Stock

$1.74

$1.48

$1.41

$1.29

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Min.: 1
Mult.: 1

Magnetic / Reed Switches MDCG-4 5265 17-28 RDSW

MDCG-4-17-28
Littelfuse
1: $2.12
981In Stock

Mfr. Part #
MDCG-4-17-28

Mouser Part #
934-MDCG-417-28

Littelfuse

Magnetic / Reed Switches MDCG-4 5265 17-28 RDSW

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Datasheet

981In Stock

$2.12

$1.81

$1.67

$1.49

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Min.: 1
Mult.: 1

Magnetic / Reed Switches SWITCH REED

MDRR-DT-15-20-F
Littelfuse
1: $7.56
51In Stock
4,000On Order

Mfr. Part #
MDRR-DT-15-20-F

Mouser Part #
934-MDRR-DT15-20F

Littelfuse

Magnetic / Reed Switches SWITCH REED

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Datasheet

51In Stock

4,000On Order

$7.56

$6.31

$5.84

$5.22

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Min.: 1
Mult.: 1

Magnetic / Reed Switches MDRR-DT 1156 20-25 F

MDRR-DT-20-25-F
Littelfuse
1: $7.94
102In Stock
1,000Expected 2026-09-22

Mfr. Part #
MDRR-DT-20-25-F

Mouser Part #
934-MDRR-DT20-25F

Littelfuse

Magnetic / Reed Switches MDRR-DT 1156 20-25 F

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Datasheet

102In Stock

1,000Expected 2026-09-22

$7.94

$6.71

$6.26

$5.63

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Min.: 1
Mult.: 1

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

MDSM-10R-10-15
Littelfuse
1: $2.46
661In Stock
3,000Expected 2026-08-10

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

Mouser Part #
934-MDSM-10R10-15

Littelfuse

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

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Datasheet

661In Stock

3,000Expected 2026-08-10

Cut Tape

$2.46

$2.15

$1.98

$1.80

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Reel

$1.33

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic / Reed Switches NO 30-35AT

MDSR-10-30-35
Littelfuse
1: $1.95
490In Stock

Mfr. Part #
MDSR-10-30-35

Mouser Part #
934-MDSR-10-30-35

Littelfuse

Magnetic / Reed Switches NO 30-35AT

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Datasheet

490In Stock

$1.95

$1.67

$1.57

$1.39

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Min.: 1
Mult.: 1

Magnetic / Reed Switches MDSR-10 10-15

MDSR-10-10-15
Littelfuse
1: $1.97
1,621In Stock

Mfr. Part #
MDSR-10-10-15

Mouser Part #
934-MDSR-1010-15

Littelfuse

Magnetic / Reed Switches MDSR-10 10-15

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Datasheet

1,621In Stock

$1.97

$1.67

$1.57

$1.39

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Min.: 1
Mult.: 1

Magnetic / Reed Switches SPST 140VAC, 15 AT-20 AT Range

MDSR-10-15-20
Littelfuse
1: $1.97
1,812In Stock

Mfr. Part #
MDSR-10-15-20

Mouser Part #
934-MDSR-1015-20

Littelfuse

Magnetic / Reed Switches SPST 140VAC, 15 AT-20 AT Range

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Datasheet

1,812In Stock

$1.97

$1.67

$1.57

$1.39

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches NO 27-48AT

MLRR-3-27-48
Littelfuse
1: $1.91
338In Stock

Mfr. Part #
MLRR-3-27-48

Mouser Part #
934-MLRR-3-27-48

Littelfuse

Magnetic / Reed Switches NO 27-48AT

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Datasheet

338In Stock

$1.91

$1.63

$1.50

$1.34

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches 15.2mm Miniature Close Differential Reed Switch

MLRR-3-42-48
Littelfuse
1: $1.86
1,059In Stock

Mfr. Part #
MLRR-3-42-48

Mouser Part #
934-MLRR-3-42-48

Littelfuse

Magnetic / Reed Switches 15.2mm Miniature Close Differential Reed Switch

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1,059In Stock

$1.86

$1.60

$1.47

$1.31

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches SWITCH REED

MLRR-3-17-23
Littelfuse
1: $1.67
1,658In Stock

Mfr. Part #
MLRR-3-17-23

Mouser Part #
934-MLRR-317-23

Littelfuse

Magnetic / Reed Switches SWITCH REED

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Datasheet

1,658In Stock

$1.67

$1.48

$1.36

$1.22

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MLRR-3 22-28

MLRR-3-22-28
Littelfuse
1: $1.88
936In Stock

Mfr. Part #
MLRR-3-22-28

Mouser Part #
934-MLRR-322-28

Littelfuse

Magnetic / Reed Switches MLRR-3 22-28

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Datasheet

936In Stock

$1.88

$1.61

$1.47

$1.36

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MLRR-3 27-33

MLRR-3-27-33
Littelfuse
1: $2.22
988In Stock

Mfr. Part #
MLRR-3-27-33

Mouser Part #
934-MLRR-327-33

Littelfuse

Magnetic / Reed Switches MLRR-3 27-33

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Datasheet

988In Stock

$2.22

$1.92

$1.80

$1.61

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MLRR-3 32-38

MLRR-3-32-38
Littelfuse
1: $1.84
221In Stock

Mfr. Part #
MLRR-3-32-38

Mouser Part #
934-MLRR-332-38

Littelfuse

Magnetic / Reed Switches MLRR-3 32-38

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Datasheet

221In Stock

$1.84

$1.60

$1.47

$1.31

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MLRR-4 17-23

MLRR-4-17-23
Littelfuse
1: $1.97
1,028In Stock

Mfr. Part #
MLRR-4-17-23

Mouser Part #
934-MLRR-417-23

Littelfuse

Magnetic / Reed Switches MLRR-4 17-23

Learn More

Datasheet

1,028In Stock

$1.97

$1.67

$1.57

$1.39

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches SWITCH REED

MLRR-4-17-38
Littelfuse
1: $2.12
1,548In Stock

Mfr. Part #
MLRR-4-17-38

Mouser Part #
934-MLRR-417-38

Littelfuse

Magnetic / Reed Switches SWITCH REED

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Datasheet

1,548In Stock

$2.12

$1.92

$1.77

$1.61

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MLRR-4 27-33

MLRR-4-27-33
Littelfuse
1: $2.15
701In Stock

Mfr. Part #
MLRR-4-27-33

Mouser Part #
934-MLRR-427-33

Littelfuse

Magnetic / Reed Switches MLRR-4 27-33

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Datasheet

701In Stock

$2.15

$1.83

$1.71

$1.51

View

Min.: 1
Mult.: 1

Magnetic / Reed Switches MDSM-4B 5276 32-38

MDSM-4B-32-38
Littelfuse
1: $2.02
321In Stock

Mfr. Part #
MDSM-4B-32-38

Mouser Part #
934-MDSM-4B32-38

Littelfuse

Magnetic / Reed Switches MDSM-4B 5276 32-38

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Datasheet

321In Stock

$2.02

$1.60

$1.41

$1.29

View

Min.: 1
Mult.: 1

Reed Relays HE3321A1200 REED RELAY

HE3321A1200
Littelfuse
1: $4.36
209In Stock
Factory Special Order

Mfr. Part #
HE3321A1200

Mouser Part #
934-HE3321A1200

Factory Special Order

Littelfuse

Reed Relays HE3321A1200 REED RELAY

Learn More

Datasheet

209In Stock

$4.36

$3.89

$3.70

$3.58

View

Min.: 1
Mult.: 1

Sensors Portfolio

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