Proximity Sensors – Mouser Mexico

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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: $5.01
372In Stock

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

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

Proximity Sensors NO 12-18AT Untinned Leads

Datasheet

372In Stock

$5.01

$4.20

$3.89

$3.56

View

Min.: 1
Mult.: 1

Magnetic

25 mm

Wire

SPST-NO

Proximity Sensors NO 12-18AT Tinned Leads

59040-1-S-02-A
Littelfuse
1: $5.25
636In Stock
1,600Expected 10/1/2026

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

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

Proximity Sensors NO 12-18AT Tinned Leads

Datasheet

636In Stock

1,600Expected 10/1/2026

$5.25

$4.39

$4.07

$3.32

View

Min.: 1
Mult.: 1

Magnetic

25 mm

Wire

SPST-NO

Proximity Sensors NO 17-23AT Untinned Leads

59040-1-T-02-F
Littelfuse
1: $6.45
275In Stock

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

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

Proximity Sensors NO 17-23AT Untinned Leads

Datasheet

275In Stock

$6.45

$5.43

$5.04

$4.58

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: $5.25
53In Stock
500Expected 11/27/2026

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

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

Proximity Sensors NO 22-28AT Tinned Leads

Datasheet

53In Stock

500Expected 11/27/2026

$5.25

$4.39

$4.07

$3.98

View

Min.: 1
Mult.: 1

Magnetic

17.9 mm

Wire

SPST-NO

Proximity Sensors NC 15-20AT Tinned Leads

59040-4-S-02-A
Littelfuse
1: $9.58
146In Stock
500Expected 12/21/2026

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

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

Proximity Sensors NC 15-20AT Tinned Leads

Datasheet

146In Stock

500Expected 12/21/2026

$9.58

$8.13

$7.28

$6.98

View

Min.: 1
Mult.: 1

Magnetic

21 mm

Wire

SPST-NC

Proximity Sensors NO 12-18AT JST typeXHP 2.5pitch

59040-1-S-02-E
Littelfuse
500: $3.45
Non-Stocked Lead-Time 16 Weeks

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

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

Proximity Sensors NO 12-18AT JST typeXHP 2.5pitch

Datasheet

Non-Stocked Lead-Time 16 Weeks

$3.45

$3.28

$3.09

Min.: 500
Mult.: 100

Magnetic

25 mm

Wire

SPST-NO

Proximity Sensors NO 17-23AT Tinned Leads

59040-1-T-02-A
Littelfuse
1: $4.58
Lead-Time 16 Weeks

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

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

Proximity Sensors NO 17-23AT Tinned Leads

Datasheet

Lead-Time 16 Weeks

$4.58

$4.11

$3.93

$3.72

View

Min.: 1
Mult.: 1

Magnetic

21.2 mm

Wire

SPST-NO

Proximity Sensors CO 15-20AT Tinned Leads

59040-3-S-02-A
Littelfuse
1: $9.53
Non-Stocked Lead-Time 27 Weeks

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

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

Proximity Sensors CO 15-20AT Tinned Leads

Datasheet

Non-Stocked Lead-Time 27 Weeks

$9.53

$9.45

$7.92

$7.35

View

Min.: 1
Mult.: 1

Magnetic

21 mm

Wire

SPDT-CO

Proximity Sensors CO 20-25AT Tinned Leads

59040-3-T-02-A
Littelfuse
500: $5.80
Non-Stocked Lead-Time 16 Weeks

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

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

Proximity Sensors CO 20-25AT Tinned Leads

Datasheet

Non-Stocked Lead-Time 16 Weeks

$5.80

$5.54

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: $5.80
Non-Stocked Lead-Time 16 Weeks

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

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

Proximity Sensors CO 25-30AT Tinned Leads

Datasheet

Non-Stocked Lead-Time 16 Weeks

$5.80

$5.54

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPDT-CO

Proximity Sensors NC 20-25AT Tinned Leads

59040-4-T-02-A
Littelfuse
500: $5.43
Non-Stocked Lead-Time 16 Weeks

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

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

Proximity Sensors NC 20-25AT Tinned Leads

Datasheet

Non-Stocked Lead-Time 16 Weeks

$5.43

$5.19

$4.99

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: $5.43
Non-Stocked Lead-Time 16 Weeks

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

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

Proximity Sensors NC 25-30AT Tinned Leads

Datasheet

Non-Stocked Lead-Time 16 Weeks

$5.43

$5.19

$4.99

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPST-NC