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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: €2.17
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

€2.17

€1.94

€1.85

€1.70

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Min.: 1
Mult.: 1

Reed Relays HE3351A2400

HE3351A2400
Littelfuse
1: €3.12
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

€3.12

€2.79

€2.66

€2.56

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Min.: 1
Mult.: 1

Reed Relays HE3621A0540

HE3621A0540
Littelfuse
1: €2.30
20In 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

20In Stock

€2.30

€2.05

€1.95

€1.89

€1.82

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE3621A1250
Littelfuse
1: €2.72
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

€2.72

€2.41

€2.32

€2.28

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Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721A1210
Littelfuse
1: €2.13
1,047In Stock
Factory Special Order

Mfr. Part No.
HE721A1210

Mouser Part No
934-HE721A1210

Factory Special Order

Littelfuse

Reed Relays REED RELAY

Datasheet

1,047In Stock

€2.13

€1.90

€1.81

€1.75

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Min.: 1
Mult.: 1

Reed Relays HE721C0530 REED RELAY

HE721C0530
Littelfuse
1: €6.57
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

€6.57

€5.86

€5.59

€5.40

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Min.: 1
Mult.: 1

Reed Relays HE722A2400 REED RELAY

HE722A2400
Littelfuse
1: €3.11
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

€3.11

€2.78

€2.66

€2.57

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55140 AP02A HALL SENSOR

55140-AP-02-A
Littelfuse
1: €8.67
16In 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

16In Stock

€8.67

€7.95

€7.68

€7.42

€7.09

Min.: 1
Mult.: 1

Proximity Sensors NO 17-23AT 300mm TIN

59022-1-T-02-A
Littelfuse
1: €3.25
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

€3.25

€2.85

€2.47

€2.19

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Min.: 1
Mult.: 1

Proximity Sensors CO 20-25AT 300mm TIN

59022-3-T-02-A
Littelfuse
1: €4.71
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

€4.71

€3.93

€3.83

€3.48

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Min.: 1
Mult.: 1

Proximity Sensors 59150 020 PROX SENSOR

59150-020
Littelfuse
1: €3.35
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

€3.35

€2.61

€2.31

€2.12

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Min.: 1
Mult.: 1

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

MDSM-4B-12-18
Littelfuse
1: €1.27
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

€1.27

€1.07

€1.02

€0.92

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Min.: 1
Mult.: 1

Magnetic/Reed Switches NO 25-30AT

MDSR-10-25-30
Littelfuse
1: €1.12
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

€1.12

€0.955

€0.886

€0.784

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Min.: 1
Mult.: 1

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

55100-3H-04-A
Littelfuse
1: €5.82
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

€5.82

€5.59

€5.13

€4.95

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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: €14.23
300Expected 25/02/2026

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 25/02/2026

€14.23

€12.38

€11.70

€10.73

Min.: 1
Mult.: 1

Proximity Sensors PROX SENS CHANGE OVER UNTINNED

59025-3-T-02-F
Littelfuse
1: €5.05
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

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Datasheet

500Expected 13/04/2026

€5.05

€3.90

€3.47

€3.19

Min.: 1
Mult.: 1

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

59025-4-S-05-A
Littelfuse
1: €6.77
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

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Datasheet

307Expected 28/05/2026

€6.77

€5.21

€4.64

€4.37

Min.: 1
Mult.: 1

Proximity Sensors NO 12-18AT Tinned Leads

59040-1-S-02-A
Littelfuse
1: €3.18
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

€3.18

€2.47

€2.19

€2.01

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Min.: 1
Mult.: 1

Proximity Sensors CO 15-20AT Tinned Leads

59040-3-S-02-A
Littelfuse
1: €5.77
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

€5.77

€4.45

€3.96

€3.64

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Min.: 1
Mult.: 1

Magnetic/Reed Switches 59050 020 SENSOR

59050-020
Littelfuse
1: €3.09
998Expected 04/06/2026

Mfr. Part No.
59050-020

Mouser Part No
934-59050-020

Littelfuse

Magnetic/Reed Switches 59050 020 SENSOR

Learn More

Datasheet

998Expected 04/06/2026

€3.09

€2.69

€2.55

€2.33

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Min.: 1
Mult.: 1

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

59060-3-S-05-A
Littelfuse
1: €13.35
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

€13.35

€10.23

€9.17

€8.48

€8.26

Min.: 1
Mult.: 1

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

59070-1-T-02-A
Littelfuse
1: €3.93
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

Learn More

Datasheet

591Expected 19/05/2026

€3.93

€3.04

€2.70

€2.47

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-020
Littelfuse
1: €3.41
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

€3.41

€2.64

€2.35

€2.15

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Min.: 1
Mult.: 1

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

59140-1-V-02-A
Littelfuse
1: €3.21
1,288Expected 07/07/2026

Mfr. Part No.
59140-1-V-02-A

Mouser Part No
934-59140-1-V-02-A

Littelfuse

Proximity Sensors PROX SENSOR MINI FLANGE MOUNT

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Datasheet

1,288Expected 07/07/2026

€3.21

€2.49

€2.21

€2.02

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Min.: 1
Mult.: 1

Proximity Sensors 59150-1-S-05-A Proximity Sensors

59150-1-S-05-A
Littelfuse
1: €5.46
697On Order

Mfr. Part No.
59150-1-S-05-A

Mouser Part No
934-59150-1-S-05-A

Littelfuse

Proximity Sensors 59150-1-S-05-A Proximity Sensors

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Datasheet

697On Order

€5.46

€4.21

€3.66

€3.44

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Min.: 1
Mult.: 1

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