Proximity Sensors – Mouser United Kingdom

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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: £2.58
378In Stock

Mfr. Part No.
59040-1-S-02-F

Mouser Part No
934-59040-1-S-02-F

Littelfuse

Proximity Sensors NO 12-18AT Untinned Leads

Learn More

Datasheet

378In Stock

£2.58

£2.01

£1.78

£1.63

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: £4.35
764In Stock

Mfr. Part No.
59040-4-S-02-A

Mouser Part No
934-59040-4-S-02-A

Littelfuse

Proximity Sensors NC 15-20AT Tinned Leads

Learn More

Datasheet

764In Stock

£4.35

£3.64

£3.25

£3.00

Min.: 1
Mult.: 1

Magnetic

21 mm

Wire

SPST-NC

Proximity Sensors NO 17-23AT Untinned Leads

59040-1-T-02-F
Littelfuse
1: £2.28
346In Stock

Mfr. Part No.
59040-1-T-02-F

Mouser Part No
934-59040-1-T-02-F

Littelfuse

Proximity Sensors NO 17-23AT Untinned Leads

Learn More

Datasheet

346In Stock

£2.28

£1.87

£1.71

£1.50

£1.47

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: £2.76
245In Stock

Mfr. Part No.
59040-1-U-02-A

Mouser Part No
934-59040-1-U-02-A

Littelfuse

Proximity Sensors NO 22-28AT Tinned Leads

Learn More

Datasheet

245In Stock

£2.76

£2.16

£1.96

£1.85

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: £2.78
1,272On Order

Mfr. Part No.
59040-1-S-02-A

Mouser Part No
934-59040-1-S-02-A

Littelfuse

Proximity Sensors NO 12-18AT Tinned Leads

Learn More

Datasheet

1,272On Order

£2.78

£2.16

£1.91

£1.75

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: £5.04
395Expected 10/03/2026

Mfr. Part No.
59040-3-S-02-A

Mouser Part No
934-59040-3-S-02-A

Littelfuse

Proximity Sensors CO 15-20AT Tinned Leads

Learn More

Datasheet

395Expected 10/03/2026

£5.04

£3.88

£3.46

£3.18

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: £1.82
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
59040-1-S-02-E

Mouser Part No
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

£1.82

£1.74

£1.68

Min.: 500
Mult.: 100

Magnetic

25 mm

Wire

SPST-NO

Proximity Sensors NO 17-23AT Tinned Leads

59040-1-T-02-A
Littelfuse
500: £1.69
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
59040-1-T-02-A

Mouser Part No
934-59040-1-T-02-A

Littelfuse

Proximity Sensors NO 17-23AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£1.69

£1.61

£1.55

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: £1.63
Non-Stocked

Mfr. Part No.
59040-1-T-02-E

Mouser Part No
934-59040-1-T-02-E

Littelfuse

Proximity Sensors NO 17-23AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£1.63

£1.56

£1.48

£1.41

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: £1.63
Non-Stocked

Mfr. Part No.
59040-1-U-02-E

Mouser Part No
934-59040-1-U-02-E

Littelfuse

Proximity Sensors NO 22-28AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£1.63

£1.56

£1.48

£1.41

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: £1.44
Non-Stocked

Mfr. Part No.
59040-1-U-02-F

Mouser Part No
934-59040-1-U-02-F

Littelfuse

Proximity Sensors NO 22-28AT Untinned Leads

Learn More

Datasheet

Non-Stocked

£1.44

£1.38

£1.30

£1.25

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: £2.92
Non-Stocked

Mfr. Part No.
59040-3-S-02-E

Mouser Part No
934-59040-3-S-02-E

Littelfuse

Proximity Sensors CO 15-20AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£2.92

£2.78

£2.63

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPDT-CO

Proximity Sensors CO 15-20AT Untinned Leads

59040-3-S-02-F
Littelfuse
500: £2.73
Non-Stocked

Mfr. Part No.
59040-3-S-02-F

Mouser Part No
934-59040-3-S-02-F

Littelfuse

Proximity Sensors CO 15-20AT Untinned Leads

Learn More

Datasheet

Non-Stocked

£2.73

£2.62

£2.47

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPDT-CO

Proximity Sensors CO 20-25AT Tinned Leads

59040-3-T-02-A
Littelfuse
500: £3.06
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
59040-3-T-02-A

Mouser Part No
934-59040-3-T-02-A

Littelfuse

Proximity Sensors CO 20-25AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£3.06

£2.92

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: £2.92
Non-Stocked

Mfr. Part No.
59040-3-T-02-E

Mouser Part No
934-59040-3-T-02-E

Littelfuse

Proximity Sensors CO 20-25AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£2.92

£2.78

£2.63

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: £2.73
Non-Stocked

Mfr. Part No.
59040-3-T-02-F

Mouser Part No
934-59040-3-T-02-F

Littelfuse

Proximity Sensors CO 20-25AT Untinned Leads

Learn More

Datasheet

Non-Stocked

£2.73

£2.62

£2.47

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: £3.06
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
59040-3-U-02-A

Mouser Part No
934-59040-3-U-02-A

Littelfuse

Proximity Sensors CO 25-30AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£3.06

£2.92

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: £2.92
Non-Stocked

Mfr. Part No.
59040-3-U-02-E

Mouser Part No
934-59040-3-U-02-E

Littelfuse

Proximity Sensors CO 25-30AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£2.92

£2.78

£2.63

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPDT-CO

Proximity Sensors CO 25-30AT Untinned Leads

59040-3-U-02-F
Littelfuse
500: £2.73
Non-Stocked

Mfr. Part No.
59040-3-U-02-F

Mouser Part No
934-59040-3-U-02-F

Littelfuse

Proximity Sensors CO 25-30AT Untinned Leads

Learn More

Datasheet

Non-Stocked

£2.73

£2.62

£2.47

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: £2.73
Non-Stocked

Mfr. Part No.
59040-4-S-02-E

Mouser Part No
934-59040-4-S-02-E

Littelfuse

Proximity Sensors NC 15-20AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£2.73

£2.62

£2.47

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPST-NC

Proximity Sensors NC 15-20AT Untinned Leads

59040-4-S-02-F
Littelfuse
500: £2.55
Non-Stocked

Mfr. Part No.
59040-4-S-02-F

Mouser Part No
934-59040-4-S-02-F

Littelfuse

Proximity Sensors NC 15-20AT Untinned Leads

Learn More

Datasheet

Non-Stocked

£2.55

£2.44

£2.30

Min.: 500
Mult.: 100

Magnetic

21 mm

Wire

SPST-NC

Proximity Sensors NC 20-25AT Tinned Leads

59040-4-T-02-A
Littelfuse
500: £2.87
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
59040-4-T-02-A

Mouser Part No
934-59040-4-T-02-A

Littelfuse

Proximity Sensors NC 20-25AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£2.87

£2.74

£2.72

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: £2.73
Non-Stocked

Mfr. Part No.
59040-4-T-02-E

Mouser Part No
934-59040-4-T-02-E

Littelfuse

Proximity Sensors NC 20-25AT JST typeXHP 2.5pitch

Learn More

Datasheet

Non-Stocked

£2.73

£2.62

£2.47

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: £2.85
Non-Stocked

Mfr. Part No.
59040-4-T-02-F

Mouser Part No
934-59040-4-T-02-F

Littelfuse

Proximity Sensors NC 20-25AT Untinned Leads

Learn More

Datasheet

Non-Stocked

£2.85

£2.83

£2.77

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: £2.87
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
59040-4-U-02-A

Mouser Part No
934-59040-4-U-02-A

Littelfuse

Proximity Sensors NC 25-30AT Tinned Leads

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

£2.87

£2.74

£2.72

Min.: 500
Mult.: 100

Magnetic

17 mm

Wire

SPST-NC

59040 Reed Sensors

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