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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.

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Part #

Reed Relays HE3321A2400 REED RELAY

HE3321A2400
Littelfuse
1: £1.89
551In Stock
Factory Special Order

Mfr. Part No.
HE3321A2400

Mouser Part No
934-HE3321A2400

Factory Special Order

Littelfuse

Reed Relays HE3321A2400 REED RELAY

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Datasheet

551In Stock

£1.89

£1.69

£1.62

£1.48

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Min.: 1
Mult.: 1

Reed Relays HE3351A2400

HE3351A2400
Littelfuse
1: £2.72
549In Stock
Factory Special Order

Mfr. Part No.
HE3351A2400

Mouser Part No
934-HE3351A2400

Factory Special Order

Littelfuse

Reed Relays HE3351A2400

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Datasheet

549In Stock

£2.72

£2.44

£2.32

£2.23

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Min.: 1
Mult.: 1

Reed Relays HE3621A0540

HE3621A0540
Littelfuse
1: £2.01
36In Stock
Factory Special Order

Mfr. Part No.
HE3621A0540

Mouser Part No
934-HE3621A0540

Factory Special Order

Littelfuse

Reed Relays HE3621A0540

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Datasheet

36In Stock

£2.01

£1.79

£1.70

£1.65

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Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE3621A1250
Littelfuse
1: £2.37
132In Stock
Factory Special Order

Mfr. Part No.
HE3621A1250

Mouser Part No
934-HE3621A1250

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

132In Stock

£2.37

£2.10

£2.03

£1.99

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Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721C0500
Littelfuse
Restricted Availability
Factory Special Order

Mfr. Part No.
HE721C0500

Mouser Part No
934-HE721C0500

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

More Info Available

Restricted Availability

Reed Relays HE721C0530 REED RELAY

HE721C0530
Littelfuse
1: £5.74
12In Stock
Factory Special Order

Mfr. Part No.
HE721C0530

Mouser Part No
934-HE721C0530

Factory Special Order

Littelfuse

Reed Relays HE721C0530 REED RELAY

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Datasheet

12In Stock

£5.74

£5.12

£4.88

£4.71

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Min.: 1
Mult.: 1

Reed Relays HE722A2400 REED RELAY

HE722A2400
Littelfuse
1: £2.72
307In Stock
Factory Special Order

Mfr. Part No.
HE722A2400

Mouser Part No
934-HE722A2400

Factory Special Order

Littelfuse

Reed Relays HE722A2400 REED RELAY

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Datasheet

307In Stock

£2.72

£2.43

£2.32

£2.24

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55140 AP02A HALL SENSOR

55140-AP-02-A
Littelfuse
1: £7.57
17In Stock

Mfr. Part No.
55140-AP-02-A

Mouser Part No
934-55140AP02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55140 AP02A HALL SENSOR

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Datasheet

17In Stock

£7.57

£6.94

£6.70

£6.48

£6.19

Min.: 1
Mult.: 1

Proximity Sensors NO 17-23AT 300mm TIN

59022-1-T-02-A
Littelfuse
1: £2.84
39In Stock

Mfr. Part No.
59022-1-T-02-A

Mouser Part No
934-59022-1-T-02-A

Littelfuse

Proximity Sensors NO 17-23AT 300mm TIN

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Datasheet

39In Stock

£2.84

£2.49

£2.16

£1.91

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Min.: 1
Mult.: 1

Proximity Sensors CO 20-25AT 300mm TIN

59022-3-T-02-A
Littelfuse
1: £3.82
152In Stock

Mfr. Part No.
59022-3-T-02-A

Mouser Part No
934-59022-3-T-02-A

Littelfuse

Proximity Sensors CO 20-25AT 300mm TIN

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Datasheet

152In Stock

£3.82

£3.13

£2.78

£2.63

£2.58

Min.: 1
Mult.: 1

Proximity Sensors 59065-1-S-02-F SENS

59065-1-S-02-F
Littelfuse
1: £3.45
490In Stock

Mfr. Part No.
59065-1-S-02-F

Mouser Part No
934-59065-1-S-02-F

Littelfuse

Proximity Sensors 59065-1-S-02-F SENS

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Datasheet

490In Stock

£3.45

£2.66

£2.46

£2.45

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Min.: 1
Mult.: 1

Proximity Sensors 59065-1-T-02-A SENS

59065-1-T-02-A
Littelfuse
1: £3.52
52In Stock

Mfr. Part No.
59065-1-T-02-A

Mouser Part No
934-59065-1-T-02-A

Littelfuse

Proximity Sensors 59065-1-T-02-A SENS

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Datasheet

52In Stock

£3.52

£2.72

£2.37

£2.17

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Min.: 1
Mult.: 1

Proximity Sensors 59150 020 PROX SENSOR

59150-020
Littelfuse
1: £2.92
14In Stock

Mfr. Part No.
59150-020

Mouser Part No
934-59150-020

Littelfuse

Proximity Sensors 59150 020 PROX SENSOR

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Datasheet

14In Stock

£2.92

£2.28

£2.02

£1.85

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Min.: 1
Mult.: 1

Magnetic/Reed Switches NO 15-20AT 6.5mm Overmolded Sensor

59166-1-T-00-C
Littelfuse
1: £0.978
394In Stock

Mfr. Part No.
59166-1-T-00-C

Mouser Part No
934-59166-1-T-00-C

Littelfuse

Magnetic/Reed Switches NO 15-20AT 6.5mm Overmolded Sensor

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Datasheet

394In Stock

Cut Tape

£0.978

£0.685

£0.658

£0.632

Reel

£0.519

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Min.: 1
Mult.: 1

Reel: 1,000

Magnetic/Reed Switches MDSM-4B 5276 12-18

MDSM-4B-12-18
Littelfuse
1: £1.16
25In Stock

Mfr. Part No.
MDSM-4B-12-18

Mouser Part No
934-MDSM-4B12-18

Littelfuse

Magnetic/Reed Switches MDSM-4B 5276 12-18

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Datasheet

25In Stock

£1.16

£0.934

£0.917

£0.811

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Min.: 1
Mult.: 1

Magnetic/Reed Switches NO 25-30AT

MDSR-10-25-30
Littelfuse
1: £0.978
985In Stock

Mfr. Part No.
MDSR-10-25-30

Mouser Part No
934-MDSR-10-25-30

Littelfuse

Magnetic/Reed Switches NO 25-30AT

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Datasheet

985In Stock

£0.978

£0.834

£0.773

£0.684

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Min.: 1
Mult.: 1

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

55100-3H-04-A
Littelfuse
1: £5.08
5,492On Order

Mfr. Part No.
55100-3H-04-A

Mouser Part No
934-55100-3H-04-A

Littelfuse

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

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Datasheet

5,492On Order

£5.08

£4.88

£4.48

£4.32

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MT PROX SEN ANALOG

55100-AP-02-A
Littelfuse
1: £12.41
300Expected 16/02/2026

Mfr. Part No.
55100-AP-02-A

Mouser Part No
934-55100AP02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MT PROX SEN ANALOG

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Datasheet

300Expected 16/02/2026

£12.41

£10.81

£10.21

£9.37

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENS CHANGE OVER UNTINNED

59025-3-T-02-F
Littelfuse
1: £4.41
500Expected 13/04/2026

Mfr. Part No.
59025-3-T-02-F

Mouser Part No
934-59025-3-T-02-F

Littelfuse

Proximity Sensors PROX SENS CHANGE OVER UNTINNED

Learn More

Datasheet

500Expected 13/04/2026

£4.41

£3.40

£3.03

£2.78

Min.: 1
Mult.: 1

Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker

59025-4-S-05-A
Littelfuse
1: £5.91
307Expected 28/05/2026

Mfr. Part No.
59025-4-S-05-A

Mouser Part No
934-59025-4-S-05-A

Littelfuse

Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker

Learn More

Datasheet

307Expected 28/05/2026

£5.91

£4.55

£4.05

£3.82

Min.: 1
Mult.: 1

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

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

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Datasheet

395Expected 10/03/2026

£5.04

£3.88

£3.46

£3.18

View

Min.: 1
Mult.: 1

Proximity Sensors 59060-3-S-05-A SENS

59060-3-S-05-A
Littelfuse
1: £11.65
600Expected 10/07/2026

Mfr. Part No.
59060-3-S-05-A

Mouser Part No
934-59060-3-S-05-A

Littelfuse

Proximity Sensors 59060-3-S-05-A SENS

Learn More

Datasheet

600Expected 10/07/2026

£11.65

£8.93

£8.01

£7.40

£7.21

Min.: 1
Mult.: 1

Proximity Sensors 59070-1-T-02-A SENS

59070-1-T-02-A
Littelfuse
1: £3.43
591Expected 19/05/2026

Mfr. Part No.
59070-1-T-02-A

Mouser Part No
934-59070-1-T-02-A

Littelfuse

Proximity Sensors 59070-1-T-02-A SENS

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Datasheet

591Expected 19/05/2026

£3.43

£2.65

£2.36

£2.16

View

Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-020
Littelfuse
1: £2.82
1,000On Order

Mfr. Part No.
59140-020

Mouser Part No
934-59140-020

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

Learn More

Datasheet

1,000On Order

£2.82

£2.28

£2.05

£1.87

View

Min.: 1
Mult.: 1

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