Proximity Sensors – Mouser Canada

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59040 Reed Sensors

Littelfuse 59040 Reed Sensors are small, cylindrical reed sensors 31.0mm (1.22") long that press into a 9.5mm (.375") diameter hole with a choice of normally open, normally closed, or change-over contacts. Littelfuse 59040 is capable of switching up to 200V_DC at 10W contact rating. An extensive range of sensitivity with a specified cable length is available. The housing color is white. It has three crush ribs along the length of the capsule that allow a firm and fixed press-fit. 59040 is well-suited for use in a wide range of industrial, appliances, or IoT proximity sensing applications. It functions best with a 57040 actuator.

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Part #

Proximity Sensors NO 12-18AT Untinned Leads

59040-1-S-02-F
Littelfuse
1: $5.33
378In Stock

Mfr. Part #
59040-1-S-02-F

Mouser Part #
934-59040-1-S-02-F

Littelfuse

Proximity Sensors NO 12-18AT Untinned Leads

Learn More

Datasheet

378In Stock

$5.33

$4.15

$4.14

$3.67

View

Min.: 1
Mult.: 1

Magnetic

25 mm

Wire

SPST-NO

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

21 mm

Wire

SPST-NC

Proximity Sensors NO 17-23AT Untinned Leads

59040-1-T-02-F
Littelfuse
1: $4.70
346In Stock

Mfr. Part #
59040-1-T-02-F

Mouser Part #
934-59040-1-T-02-F

Littelfuse

Proximity Sensors NO 17-23AT Untinned Leads

Learn More

Datasheet

346In Stock

$4.70

$3.86

$3.53

$3.10

View

Min.: 1
Mult.: 1

Magnetic

21.2 mm

Wire

SPST-NO

Proximity Sensors NO 22-28AT Tinned Leads

59040-1-U-02-A
Littelfuse
1: $5.70
245In Stock

Mfr. Part #
59040-1-U-02-A

Mouser Part #
934-59040-1-U-02-A

Littelfuse

Proximity Sensors NO 22-28AT Tinned Leads

Learn More

Datasheet

245In Stock

$5.70

$4.45

$4.05

$3.83

View

Min.: 1
Mult.: 1

Magnetic

17.9 mm

Wire

SPST-NO

Proximity Sensors NO 12-18AT Tinned Leads

59040-1-S-02-A
Littelfuse
1: $5.74
1,272On Order

Mfr. Part #
59040-1-S-02-A

Mouser Part #
934-59040-1-S-02-A

Littelfuse

Proximity Sensors NO 12-18AT Tinned Leads

Learn More

Datasheet

1,272On Order

$5.74

$4.45

$3.95

$3.63

View

Min.: 1
Mult.: 1

Magnetic

25 mm

Wire

SPST-NO

Proximity Sensors CO 15-20AT Tinned Leads

59040-3-S-02-A
Littelfuse
1: $10.40
395Expected 2026-03-10

Mfr. Part #
59040-3-S-02-A

Mouser Part #
934-59040-3-S-02-A

Littelfuse

Proximity Sensors CO 15-20AT Tinned Leads

Learn More

Datasheet

395Expected 2026-03-10

$10.40

$8.01

$7.15

$6.56

View

Min.: 1
Mult.: 1

Magnetic

21 mm

Wire

SPDT-CO

Proximity Sensors NO 12-18AT JST typeXHP 2.5pitch

59040-1-S-02-E
Littelfuse
500: $3.75
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
59040-1-S-02-E

Mouser Part #
934-59040-1-S-02-E

Littelfuse

Proximity Sensors NO 12-18AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$3.75

$3.58

$3.36

Min.: 500
Mult.: 100

Magnetic

25 mm

Wire

SPST-NO

Proximity Sensors NO 17-23AT Tinned Leads

59040-1-T-02-A
Littelfuse
500: $3.49
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
59040-1-T-02-A

Mouser Part #
934-59040-1-T-02-A

Littelfuse

Proximity Sensors NO 17-23AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$3.49

$3.32

$3.12

$3.05

Min.: 500
Mult.: 100

Magnetic

21.2 mm

Wire

SPST-NO

Proximity Sensors NO 17-23AT JST typeXHP 2.5pitch

59040-1-T-02-E
Littelfuse
500: $3.36
Non-Stocked

Mfr. Part #
59040-1-T-02-E

Mouser Part #
934-59040-1-T-02-E

Littelfuse

Proximity Sensors NO 17-23AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$3.36

$3.22

$3.04

$2.91

Min.: 500
Mult.: 100

Magnetic

21.2 mm

Wire

SPST-NO

Proximity Sensors NO 22-28AT JST typeXHP 2.5pitch

59040-1-U-02-E
Littelfuse
500: $3.36
Non-Stocked

Mfr. Part #
59040-1-U-02-E

Mouser Part #
934-59040-1-U-02-E

Littelfuse

Proximity Sensors NO 22-28AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$3.36

$3.22

$3.04

$2.91

Min.: 500
Mult.: 100

Magnetic

17.9 mm

Wire

SPST-NO

Proximity Sensors NO 22-28AT Untinned Leads

59040-1-U-02-F
Littelfuse
500: $2.98
Non-Stocked

Mfr. Part #
59040-1-U-02-F

Mouser Part #
934-59040-1-U-02-F

Littelfuse

Proximity Sensors NO 22-28AT Untinned Leads

Learn More

Datasheet

Non-Stocked

$2.98

$2.85

$2.68

$2.57

Min.: 500
Mult.: 100

Magnetic

17.9 mm

Wire

SPST-NO

Proximity Sensors CO 15-20AT JST typeXHP 2.5pitch

59040-3-S-02-E
Littelfuse
500: $6.01
Non-Stocked

Mfr. Part #
59040-3-S-02-E

Mouser Part #
934-59040-3-S-02-E

Littelfuse

Proximity Sensors CO 15-20AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$6.01

$5.75

$5.43

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPDT-CO

Proximity Sensors CO 15-20AT Untinned Leads

59040-3-S-02-F
Littelfuse
500: $5.64
Non-Stocked

Mfr. Part #
59040-3-S-02-F

Mouser Part #
934-59040-3-S-02-F

Littelfuse

Proximity Sensors CO 15-20AT Untinned Leads

Learn More

Datasheet

Non-Stocked

$5.64

$5.41

$5.10

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPDT-CO

Proximity Sensors CO 20-25AT Tinned Leads

59040-3-T-02-A
Littelfuse
500: $6.32
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
59040-3-T-02-A

Mouser Part #
934-59040-3-T-02-A

Littelfuse

Proximity Sensors CO 20-25AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$6.32

$6.03

$5.80

Min.: 500
Mult.: 100

Magnetic

18.4 mm

Wire

SPDT-CO

Proximity Sensors CO 20-25AT JST typeXHP 2.5pitch

59040-3-T-02-E
Littelfuse
500: $6.01
Non-Stocked

Mfr. Part #
59040-3-T-02-E

Mouser Part #
934-59040-3-T-02-E

Littelfuse

Proximity Sensors CO 20-25AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$6.01

$5.75

$5.43

Min.: 500
Mult.: 100

Magnetic

18.4 mm

Wire

SPDT-CO

Proximity Sensors CO 20-25AT Untinned Leads

59040-3-T-02-F
Littelfuse
500: $5.64
Non-Stocked

Mfr. Part #
59040-3-T-02-F

Mouser Part #
934-59040-3-T-02-F

Littelfuse

Proximity Sensors CO 20-25AT Untinned Leads

Learn More

Datasheet

Non-Stocked

$5.64

$5.41

$5.10

Min.: 500
Mult.: 100

Magnetic

18.4 mm

Wire

SPDT-CO

Proximity Sensors CO 25-30AT Tinned Leads

59040-3-U-02-A
Littelfuse
500: $6.32
Non-Stocked Lead-Time 17 Weeks

Mfr. Part #
59040-3-U-02-A

Mouser Part #
934-59040-3-U-02-A

Littelfuse

Proximity Sensors CO 25-30AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$6.32

$6.03

$5.80

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPDT-CO

Proximity Sensors CO 25-30AT JST typeXHP 2.5pitch

59040-3-U-02-E
Littelfuse
500: $6.01
Non-Stocked

Mfr. Part #
59040-3-U-02-E

Mouser Part #
934-59040-3-U-02-E

Littelfuse

Proximity Sensors CO 25-30AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$6.01

$5.75

$5.43

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPDT-CO

Proximity Sensors CO 25-30AT Untinned Leads

59040-3-U-02-F
Littelfuse
500: $5.64
Non-Stocked

Mfr. Part #
59040-3-U-02-F

Mouser Part #
934-59040-3-U-02-F

Littelfuse

Proximity Sensors CO 25-30AT Untinned Leads

Learn More

Datasheet

Non-Stocked

$5.64

$5.41

$5.10

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPDT-CO

Proximity Sensors NC 15-20AT JST typeXHP 2.5pitch

59040-4-S-02-E
Littelfuse
500: $5.64
Non-Stocked

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

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

Littelfuse

Proximity Sensors NC 15-20AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$5.64

$5.41

$5.10

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPST-NC

Proximity Sensors NC 15-20AT Untinned Leads

59040-4-S-02-F
Littelfuse
500: $5.27
Non-Stocked

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

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

Littelfuse

Proximity Sensors NC 15-20AT Untinned Leads

Learn More

Datasheet

Non-Stocked

$5.27

$5.04

$4.76

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPST-NC

Proximity Sensors NC 20-25AT Tinned Leads

59040-4-T-02-A
Littelfuse
500: $5.94
Non-Stocked Lead-Time 17 Weeks

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

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

Littelfuse

Proximity Sensors NC 20-25AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$5.94

$5.66

$5.41

Min.: 500
Mult.: 100

Magnetic

18.4 mm

Wire

SPST-NC

Proximity Sensors NC 20-25AT JST typeXHP 2.5pitch

59040-4-T-02-E
Littelfuse
500: $5.64
Non-Stocked

Mfr. Part #
59040-4-T-02-E

Mouser Part #
934-59040-4-T-02-E

Littelfuse

Proximity Sensors NC 20-25AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

$5.64

$5.41

$5.10

Min.: 500
Mult.: 100

Magnetic

18.4 mm

Wire

SPST-NC

Proximity Sensors NC 20-25AT Untinned Leads

59040-4-T-02-F
Littelfuse
500: $5.87
Non-Stocked

Mfr. Part #
59040-4-T-02-F

Mouser Part #
934-59040-4-T-02-F

Littelfuse

Proximity Sensors NC 20-25AT Untinned Leads

Learn More

Datasheet

Non-Stocked

$5.87

$5.84

$5.72

Min.: 500
Mult.: 100

Magnetic

18.4 mm

Wire

SPST-NC

Proximity Sensors NC 25-30AT Tinned Leads

59040-4-U-02-A
Littelfuse
500: $5.94
Non-Stocked Lead-Time 17 Weeks

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

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

Littelfuse

Proximity Sensors NC 25-30AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$5.94

$5.66

$5.41

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPST-NC

59040 Reed Sensors

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