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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 #

Magnetic/Reed Switches MDSM-DTB 20-25

MDSM-DTB-20-25
Littelfuse
1: Rp109.526
259In Stock

Mfr. Part No.
MDSM-DTB-20-25

Mouser Part No
934-MDSM-DTB20-25

Littelfuse

Magnetic/Reed Switches MDSM-DTB 20-25

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Datasheet

259In Stock

Rp109.526

Rp93.565

Rp87.694

Rp79.255

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-3 27-33

MLRR-3-27-33
Littelfuse
1: Rp26.235
988In Stock

Mfr. Part No.
MLRR-3-27-33

Mouser Part No
934-MLRR-327-33

Littelfuse

Magnetic/Reed Switches MLRR-3 27-33

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Datasheet

988In Stock

Rp26.235

Rp23.116

Rp21.465

Rp19.080

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Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE722A1210
Littelfuse
1: Rp79.805
5.924In Stock
Factory Special Order

Mfr. Part No.
HE722A1210

Mouser Part No
934-HE722A1210

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

5.924In Stock

Rp79.805

Rp71.182

Rp67.880

Rp65.495

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: Rp38.710
24.818In Stock
17.460Expected 30/09/2026

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Littelfuse

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

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Datasheet

24.818In Stock

17.460Expected 30/09/2026

Rp38.710

Rp34.490

Rp31.005

Rp29.721

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories ACTUATOR FOR 59150 SERIES

57150-000
Littelfuse
1: Rp49.901
18.498In Stock

Mfr. Part No.
57150-000

Mouser Part No
934-57150-000

Littelfuse

Sensor Fixings & Accessories ACTUATOR FOR 59150 SERIES

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Datasheet

18.498In Stock

Rp49.901

Rp44.581

Rp37.426

Rp35.041

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Min.: 1
Mult.: 1

Magnetic/Reed Switches PROX SENSOR PCB MT NORMAL OPEN

59045-010
Littelfuse
1: Rp46.415
10.211In Stock

Mfr. Part No.
59045-010

Mouser Part No
934-59045-010

Littelfuse

Magnetic/Reed Switches PROX SENSOR PCB MT NORMAL OPEN

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Datasheet

10.211In Stock

Rp46.415

Rp39.077

Rp36.325

Rp30.638

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Min.: 1
Mult.: 1

Proximity Sensors Actuator for 59140 and 59141

59140-010
Littelfuse
1: Rp73.567
6.161In Stock

Mfr. Part No.
59140-010

Mouser Part No
934-59140-010

Littelfuse

Proximity Sensors Actuator for 59140 and 59141

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Datasheet

6.161In Stock

Rp73.567

Rp71.549

Rp61.643

Rp57.056

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Min.: 1
Mult.: 1

Magnetic/Reed Switches SWITCH REED

HA15-2-22-28
Littelfuse
1: Rp42.746
14.875In Stock

Mfr. Part No.
HA15-2-22-28

Mouser Part No
934-HA15-222-28

Littelfuse

Magnetic/Reed Switches SWITCH REED

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Datasheet

14.875In Stock

Rp42.746

Rp36.142

Rp33.390

Rp29.904

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Min.: 1
Mult.: 1

Reed Relays HE3621A6012 REED RELAY

HE3621A6012
Littelfuse
1: Rp48.250
2.396In Stock
Factory Special Order

Mfr. Part No.
HE3621A6012

Mouser Part No
934-HE3621A6012

Factory Special Order

Littelfuse

Reed Relays HE3621A6012 REED RELAY

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Datasheet

2.396In Stock

Rp48.250

Rp30.271

Rp29.537

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721C1210
Littelfuse
1: Rp86.410
2.845In Stock
Factory Special Order

Mfr. Part No.
HE721C1210

Mouser Part No
934-HE721C1210

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

2.845In Stock

Rp86.410

Rp76.870

Rp73.384

Rp70.999

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Min.: 1
Mult.: 1

Reed Relays 5V Standard Coil Suppression Diode

HE721E0510
Littelfuse
1: Rp181.992
1.862In Stock
Factory Special Order

Mfr. Part No.
HE721E0510

Mouser Part No
934-HE721E0510

Factory Special Order

Littelfuse

Reed Relays 5V Standard Coil Suppression Diode

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Datasheet

1.862In Stock

Rp181.992

Rp149.336

Rp138.696

Rp127.321

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for Cylindrical with Retaining Ribs

57041-000
Littelfuse
1: Rp43.847
346In Stock

Mfr. Part No.
57041-000

Mouser Part No
576-57041-000

Littelfuse

Sensor Fixings & Accessories Actuator for Cylindrical with Retaining Ribs

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Datasheet

346In Stock

Rp43.847

Rp39.077

Rp35.224

Rp33.757

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55100 3H02D HALL SENSOR

55100-3H-02-D
Littelfuse
1: Rp194.835
598In Stock

Mfr. Part No.
55100-3H-02-D

Mouser Part No
934-55100-3H-02-D

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55100 3H02D HALL SENSOR

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Datasheet

598In Stock

Rp194.835

Rp176.855

Rp170.067

Rp161.995

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55100 3M03A HALL SENSOR

55100-3M-03-A
Littelfuse
1: Rp161.261
1.139In Stock
1.000Expected 24/08/2026

Mfr. Part No.
55100-3M-03-A

Mouser Part No
934-55100-3M-03-A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55100 3M03A HALL SENSOR

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Datasheet

1.139In Stock

1.000Expected 24/08/2026

Rp161.261

Rp145.851

Rp140.163

Rp133.375

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial 55100 2M02A HALL SENSOR

55100-2M-02-A
Littelfuse
1: Rp147.135
258In Stock
500Expected 05/11/2026

Mfr. Part No.
55100-2M-02-A

Mouser Part No
934-551002M02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial 55100 2M02A HALL SENSOR

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Datasheet

258In Stock

500Expected 05/11/2026

Rp147.135

Rp133.192

Rp127.872

Rp121.634

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MNT PROX SEN 3WIRE

55100-3M-02-A
Littelfuse
1: Rp147.135
573In Stock
700Expected 22/03/2027

Mfr. Part No.
55100-3M-02-A

Mouser Part No
934-551003M02A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MNT PROX SEN 3WIRE

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Datasheet

573In Stock

700Expected 22/03/2027

Rp147.135

Rp133.009

Rp127.872

Rp121.634

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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: Rp256.110
417In Stock

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

417In Stock

Rp256.110

Rp232.994

Rp224.555

Rp214.281

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

55505-00-02-A
Littelfuse
1: Rp611.656
522In Stock
2.000On Order

Mfr. Part No.
55505-00-02-A

Mouser Part No
934-555050002A

Littelfuse

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

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Datasheet

522In Stock

2.000On Order

Rp611.656

Rp558.452

Rp544.142

Rp536.621

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Min.: 1
Mult.: 1

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

55505-00-02-B
Littelfuse
1: Rp669.629
76In Stock
1.100On Order

Mfr. Part No.
55505-00-02-B

Mouser Part No
934-555050002B

Littelfuse

Hall Effect / Magnetic Sensors - Industrial HALL EFF GEARTOOTH SPEED SENS

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Datasheet

76In Stock

1.100On Order

Rp669.629

Rp615.508

Rp595.144

Rp570.928

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories ACTUATOR FOR 59010 /59020 /59021

57020-000
Littelfuse
1: Rp103.471
411In Stock

Mfr. Part No.
57020-000

Mouser Part No
934-57020-000

Littelfuse

Sensor Fixings & Accessories ACTUATOR FOR 59010 /59020 /59021

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Datasheet

411In Stock

Rp103.471

Rp93.198

Rp89.345

Rp84.759

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for 59025 Series

57025-000
Littelfuse
1: Rp84.759
3.840In Stock

Mfr. Part No.
57025-000

Mouser Part No
934-57025-000

Littelfuse

Sensor Fixings & Accessories Actuator for 59025 Series

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Datasheet

3.840In Stock

Rp84.759

Rp76.136

Rp73.017

Rp67.880

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator For 59040 Series

57040-000
Littelfuse
1: Rp91.547
1.173In Stock

Mfr. Part No.
57040-000

Mouser Part No
934-57040-000

Littelfuse

Sensor Fixings & Accessories Actuator For 59040 Series

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Datasheet

1.173In Stock

Rp91.547

Rp82.374

Rp78.888

Rp74.852

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories 57050 000 ACTUATOR

57050-000
Littelfuse
1: Rp76.686
1.333In Stock

Mfr. Part No.
57050-000

Mouser Part No
934-57050-000

Littelfuse

Sensor Fixings & Accessories 57050 000 ACTUATOR

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Datasheet

1.333In Stock

Rp76.686

Rp68.981

Rp66.046

Rp62.560

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories 57060 000 ACTUATOR

57060-000
Littelfuse
1: Rp263.815
337In Stock

Mfr. Part No.
57060-000

Mouser Part No
934-57060-000

Littelfuse

Sensor Fixings & Accessories 57060 000 ACTUATOR

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Datasheet

337In Stock

Rp263.815

Rp240.333

Rp231.527

Rp221.803

Min.: 1
Mult.: 1

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

57135-000
Littelfuse
1: Rp45.865
8.809In Stock
10.400Expected 14/12/2026

Mfr. Part No.
57135-000

Mouser Part No
934-57135-000

Littelfuse

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

8.809In Stock

10.400Expected 14/12/2026

Rp45.865

Rp40.912

Rp36.692

Rp33.757

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Min.: 1
Mult.: 1

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