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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Proximity Sensors PROX SEN VANE SPST-NO W/WIRE 59085-010 Littelfuse 1: $9.50 5,964In Stock	Mfr. Part # 59085-010 Mouser Part # 934-59085-010	Littelfuse	Proximity Sensors PROX SEN VANE SPST-NO W/WIRE Learn More about Littelfuse sensors	Datasheet	5,964In Stock	$9.50 $8.61 $8.20 $8.00 View $7.61 $7.49 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE 55075-00-02-A Littelfuse 1: $30.80 1,214In Stock 183Expected 11/30/2026	Mfr. Part # 55075-00-02-A Mouser Part # 934-55075-00-02-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE Learn More about Littelfuse sensors	Datasheet	1,214In Stock 183Expected 11/30/2026	$30.80 $30.26 $29.48 $29.27 View $28.71 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55100-3H-04-A Littelfuse 1: $8.42 4,425In Stock	Mfr. Part # 55100-3H-04-A Mouser Part # 934-55100-3H-04-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN Learn More about Littelfuse Hamlin 55100 Sensor	Datasheet	4,425In Stock	$8.42 $7.62 $6.96 $6.72 View $6.50 $6.04 $5.87	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-U-00-A SENS 59165-1-U-00-A Littelfuse 1: $2.03 12,986In Stock	Mfr. Part # 59165-1-U-00-A Mouser Part # 934-59165-1-U-00-A	Littelfuse	Magnetic / Reed Switches 59165-1-U-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	12,986In Stock	$2.03 $1.34 $1.18 $1.09 View $1.05 $1.04 $1.01	Min.: 1 Mult.: 1
Proximity Sensors PROX SENS CHANGE OVER UNTINNED 59025-3-T-02-F Littelfuse 1: $5.45 495In Stock	Mfr. Part # 59025-3-T-02-F Mouser Part # 934-59025-3-T-02-F	Littelfuse	Proximity Sensors PROX SENS CHANGE OVER UNTINNED Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	495In Stock	$5.45 $4.91 $4.46 $4.30 View $4.14 $3.83 $3.72	Min.: 1 Mult.: 1
Proximity Sensors 59085-1-T-02-F SENS 59085-1-T-02-F Littelfuse 1: $8.01 944In Stock	Mfr. Part # 59085-1-T-02-F Mouser Part # 934-59085-1-T-02-F	Littelfuse	Proximity Sensors 59085-1-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	944In Stock	$8.01 $7.24 $6.61 $6.38 View $5.91 $5.90 $5.57	Min.: 1 Mult.: 1
Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET H-31-MAGNET Littelfuse 1: $1.46 7,048In Stock	Mfr. Part # H-31-MAGNET Mouser Part # 934-H-31	Littelfuse	Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET Learn More about Littelfuse magnetic actuators	Datasheet	7,048In Stock	$1.46 $1.29 $1.16 $1.11 View $1.04 $0.965 $0.931 $0.861	Min.: 1 Mult.: 1
Magnetic / Reed Switches 175V 5WATTS MDRR-DT-30-35-F Littelfuse 1: $4.97 1,834In Stock	Mfr. Part # MDRR-DT-30-35-F Mouser Part # 934-MDRR-DT-30-35-F	Littelfuse	Magnetic / Reed Switches 175V 5WATTS Learn More about Littelfuse Hamlin MDRR DT	Datasheet	1,834In Stock	$4.97 $4.41 $4.13 $3.68 View $3.43 $3.26 $3.10 $2.93	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10R 5431 15-20 MDSM-10R-15-20 Littelfuse 1: $1.44 2,828In Stock	Mfr. Part # MDSM-10R-15-20 Mouser Part # 934-MDSM-10R15-20	Littelfuse	Magnetic / Reed Switches MDSM-10R 5431 15-20 Learn More about Littelfuse reed switches	Datasheet	2,828In Stock	Cut Tape $1.44 $1.24 $1.15 $1.06 View Reel $0.912 $0.99 $0.955 $0.945 $0.912	Min.: 1 Mult.: 1 : 3,000
Reed Relays REED RELAY HE722A1210 Littelfuse 1: $3.78 5,752In Stock Factory Special Order	Mfr. Part # HE722A1210 Mouser Part # 934-HE722A1210 Factory Special Order	Littelfuse	Reed Relays REED RELAY Learn More about Littelfuse he700	Datasheet	5,752In Stock	$3.78 $3.37 $3.22 $3.11 View $3.00 $2.87 $2.76 $2.66	Min.: 1 Mult.: 1
Magnetic / Reed Switches NO 10-15AT 7.5mm Overmolded Sensor 59166-1-S-00-C Littelfuse 1: $1.66 2,125In Stock 1,000Expected 12/23/2026	Mfr. Part # 59166-1-S-00-C Mouser Part # 934-59166-1-S-00-C	Littelfuse	Magnetic / Reed Switches NO 10-15AT 7.5mm Overmolded Sensor Learn More about Littelfuse 59166 reed switches	Datasheet	2,125In Stock 1,000Expected 12/23/2026	$1.66 $1.45 $1.32 $1.21 View $1.06 $0.994 $0.941 $0.903	Min.: 1 Mult.: 1
Proximity Sensors PROXIMITY SENSORS 59020-1-S-02-F Littelfuse 1: $7.41 495In Stock	Mfr. Part # 59020-1-S-02-F Mouser Part # 934-59020-1-S-02-F	Littelfuse	Proximity Sensors PROXIMITY SENSORS Learn More about Littelfuse hamlin 59020 mini firecracker sensor	Datasheet	495In Stock	$7.41 $6.69 $6.11 $5.89 View $5.68 $5.27 $5.12	Min.: 1 Mult.: 1
Proximity Sensors 59025-4-T-02-F SENS 59025-4-T-02-F Littelfuse 1: $5.12 552In Stock	Mfr. Part # 59025-4-T-02-F Mouser Part # 934-59025-4-T-02-F	Littelfuse	Proximity Sensors 59025-4-T-02-F SENS Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	552In Stock	$5.12 $4.60 $4.18 $4.02 View $3.87 $3.55 $3.47	Min.: 1 Mult.: 1
Proximity Sensors 59140-1-U-02-A SENS 59140-1-U-02-A Littelfuse 1: $4.08 5,203In Stock	Mfr. Part # 59140-1-U-02-A Mouser Part # 934-59140-1-U-02-A	Littelfuse	Proximity Sensors 59140-1-U-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	5,203In Stock	$4.08 $3.16 $2.57 $2.48 $2.36	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59170-1-S-00-C SENSOR 59170-1-S-00-C Littelfuse 1: $2.55 5,630In Stock	Mfr. Part # 59170-1-S-00-C Mouser Part # 934-59170-1-S-00-C	Littelfuse	Magnetic / Reed Switches 59170-1-S-00-C SENSOR Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	5,630In Stock	$2.55 $2.15 $1.99 $1.77 View $1.65 $1.56 $1.44 $1.37	Min.: 1 Mult.: 1
Level Sensors 59630 4T02A FLOAT SENSOR 59630-4-T-02-A Littelfuse 1: $8.50 248In Stock	Mfr. Part # 59630-4-T-02-A Mouser Part # 934-59630-4-T-02-A	Littelfuse	Level Sensors 59630 4T02A FLOAT SENSOR Learn More about Littelfuse reed sensors	Datasheet	248In Stock	$8.50 $7.69 $7.03 $6.79 View $6.55 $6.10 $5.93	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 55100 3H02D HALL SENSOR 55100-3H-02-D Littelfuse 1: $10.62 549In Stock	Mfr. Part # 55100-3H-02-D Mouser Part # 934-55100-3H-02-D	Littelfuse	Hall Effect / Magnetic Sensors - Industrial 55100 3H02D HALL SENSOR Learn More about Littelfuse Hamlin 55100 Sensor	Datasheet	549In Stock	$10.62 $9.64 $8.83 $8.53 View $8.25 $7.69 $7.53	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial MIN FLANGE MNT PROX SENS 3WIRE 55140-3M-02-A Littelfuse 1: $8.76 994In Stock	Mfr. Part # 55140-3M-02-A Mouser Part # 934-551403M02A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial MIN FLANGE MNT PROX SENS 3WIRE Learn More about Littelfuse sensors	Datasheet	994In Stock	$8.76 $7.93 $7.24 $6.99 View $6.75 $6.35 $6.10	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN THREAD BARREL SPST-NC 59065-040 Littelfuse 1: $4.58 842In Stock	Mfr. Part # 59065-040 Mouser Part # 934-59065-040	Littelfuse	Proximity Sensors PROX SEN THREAD BARREL SPST-NC Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	842In Stock	$4.58 $4.11 $3.73 $3.61 View $3.60 $3.53 $3.49 Quote	Min.: 1 Mult.: 1
Proximity Sensors 59065-4-T-02-F SENS 59065-4-T-02-F Littelfuse 1: $6.07 368In Stock	Mfr. Part # 59065-4-T-02-F Mouser Part # 934-59065-4-T-02-F	Littelfuse	Proximity Sensors 59065-4-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	368In Stock	$6.07 $5.47 $4.98 $4.80 View $4.62 $4.29 $4.16	Min.: 1 Mult.: 1
Proximity Sensors 59105-1-T-00-0 SENS 59105-1-T-00-0 Littelfuse 1: $6.94 402In Stock	Mfr. Part # 59105-1-T-00-0 Mouser Part # 934-59105-1-T-00-0	Littelfuse	Proximity Sensors 59105-1-T-00-0 SENS Learn More about Littelfuse reed sensors	Datasheet	402In Stock	$6.94 $6.26 $5.71 $5.51 View $5.31 $4.93 $4.79	Min.: 1 Mult.: 1
Proximity Sensors PROXIMITY SENSORS 59145-4-T-02-F Littelfuse 1: $6.78 1,426In Stock	Mfr. Part # 59145-4-T-02-F Mouser Part # 934-59145-4-T-02-F	Littelfuse	Proximity Sensors PROXIMITY SENSORS Learn More about Littelfuse reed sensors	Datasheet	1,426In Stock	$6.78 $6.11 $5.56 $5.18 View $4.84 $4.19 $4.13 $3.86	Min.: 1 Mult.: 1
Magnetic / Reed Switches NO 25-30AT MDSR-7-25-30 Littelfuse 1: $1.32 2,340In Stock	Mfr. Part # MDSR-7-25-30 Mouser Part # 934-MDSR-7-25-30	Littelfuse	Magnetic / Reed Switches NO 25-30AT Learn More about Littelfuse sensors	Datasheet	2,340In Stock	$1.32 $1.12 $1.04 $0.924 View $0.856 $0.81 $0.806 $0.749 $0.684	Min.: 1 Mult.: 1
Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker 59025-4-S-05-A Littelfuse 1: $7.21 625In Stock	Mfr. Part # 59025-4-S-05-A Mouser Part # 934-59025-4-S-05-A	Littelfuse	Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	625In Stock	$7.21 $6.51 $5.94 $5.73 View $5.72 $5.57 $4.99	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN THREAD BARREL SPST-NO 59065-1-S-02-A Littelfuse 1: $5.95 1,298In Stock	Mfr. Part # 59065-1-S-02-A Mouser Part # 934-59065-1-S-02-A	Littelfuse	Proximity Sensors PROX SEN THREAD BARREL SPST-NO Learn More about Littelfuse reed sensors	Datasheet	1,298In Stock	$5.95 $4.59 $3.76 $3.62 View $3.45 $3.29	Min.: 1 Mult.: 1

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