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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 (CAD) 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: $13.68 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	$13.68 $12.40 $11.92 $11.81 View $11.58 $11.45 $10.76 $10.63	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE 55075-00-02-A Littelfuse 1: $44.35 1,214In Stock 183Expected 2026-11-30	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 2026-11-30	$44.35 $43.57 $42.64 $41.82 View $40.64 $40.62 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55100-3H-04-A Littelfuse 1: $12.12 4,436In 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	4,436In Stock	$12.12 $10.97 $10.54 $10.02 View $9.68 $9.36 $8.67 $8.40	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-U-00-A SENS 59165-1-U-00-A Littelfuse 1: $2.92 12,988In 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	12,988In Stock	$2.92 $2.46 $1.97 $1.81 View $1.71 $1.63 $1.60 $1.56	Min.: 1 Mult.: 1
Reed Relays REED RELAY HE722A1210 Littelfuse 1: $5.44 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	$5.44 $4.85 $4.64 $4.48 View $4.32 $4.13 $3.97 $3.83	Min.: 1 Mult.: 1
Proximity Sensors NO 12-18AT 300mm Mini Flange Mount 59141-1-S-02-F Littelfuse 1: $7.04 736In Stock	Mfr. Part # 59141-1-S-02-F Mouser Part # 934-59141-1-S-02-F	Littelfuse	Proximity Sensors NO 12-18AT 300mm Mini Flange Mount Learn More about Littelfuse reed sensors	Datasheet	736In Stock	$7.04 $6.31 $6.03 $5.72 View $5.50 $5.27 $4.22	Min.: 1 Mult.: 1
Proximity Sensors PROX SENS CHANGE OVER UNTINNED 59025-3-T-02-F Littelfuse 1: $7.85 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	$7.85 $7.07 $6.78 $6.42 View $6.19 $5.96 $5.52 $5.36	Min.: 1 Mult.: 1
Proximity Sensors 59085-1-T-02-F SENS 59085-1-T-02-F Littelfuse 1: $11.53 948In 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	948In Stock	$11.53 $10.43 $10.02 $9.52 View $9.19 $8.50 $8.47 $8.02	Min.: 1 Mult.: 1
Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET H-31-MAGNET Littelfuse 1: $2.10 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	$2.10 $1.86 $1.67 $1.60 View $1.50 $1.39 $1.34 $1.24	Min.: 1 Mult.: 1
Magnetic / Reed Switches 175V 5WATTS MDRR-DT-30-35-F Littelfuse 1: $7.39 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	$7.39 $6.42 $5.95 $5.30 View $4.94 $4.69 $4.46 $4.22	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10R 5431 15-20 MDSM-10R-15-20 Littelfuse 1: $2.22 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 $2.22 $1.92 $1.81 $1.66 View Reel $1.31 $1.56 $1.48 $1.45 $1.31	Min.: 1 Mult.: 1 : 3,000
Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 59140-020 Littelfuse 1: $6.24 1,389In Stock	Mfr. Part # 59140-020 Mouser Part # 934-59140-020	Littelfuse	Proximity Sensors PROX SENSOR MINI FLANGE MOUNT Learn More about Littelfuse sensors	Datasheet	1,389In Stock	$6.24 $6.22 $5.21 $4.82 View $3.93 $3.79 $3.40	Min.: 1 Mult.: 1
Proximity Sensors 59140-3-S-02-F SENS 59140-3-S-02-F Littelfuse 1: $7.96 435In Stock	Mfr. Part # 59140-3-S-02-F Mouser Part # 934-59140-3-S-02-F	Littelfuse	Proximity Sensors 59140-3-S-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	435In Stock	$7.96 $7.17 $7.01 $6.61 View $5.60 $5.43	Min.: 1 Mult.: 1
Proximity Sensors 59150-3-T-02-F SENS 59150-3-T-02-F Littelfuse 1: $8.50 480In Stock	Mfr. Part # 59150-3-T-02-F Mouser Part # 934-59150-3-T-02-F	Littelfuse	Proximity Sensors 59150-3-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	480In Stock	$8.50 $7.65 $7.34 $6.97 View $6.71 $6.70 $5.99 $5.82	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-T-00-A SENS 59165-1-T-00-A Littelfuse 1: $2.92 2,718In Stock	Mfr. Part # 59165-1-T-00-A Mouser Part # 934-59165-1-T-00-A	Littelfuse	Magnetic / Reed Switches 59165-1-T-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	2,718In Stock	$2.92 $2.46 $2.29 $2.04 View $1.89 $1.86 $1.80 $1.74 $1.50	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT 1156 15-20 U MDRR-DT-15-20-U Littelfuse 1: $7.57 598In Stock	Mfr. Part # MDRR-DT-15-20-U Mouser Part # 934-MDRR-DT15-20U	Littelfuse	Magnetic / Reed Switches MDRR-DT 1156 15-20 U Learn More about Littelfuse reed switches	Datasheet	598In Stock	$7.57 $6.31 $5.85 $5.21 View $4.85 $4.62 $4.39 $4.15	Min.: 1 Mult.: 1
Proximity Sensors PROXIMITY SENSORS 59020-1-S-02-F Littelfuse 1: $10.67 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	$10.67 $9.63 $9.26 $8.80 View $8.48 $8.18 $7.78	Min.: 1 Mult.: 1
Proximity Sensors 59025-4-T-02-F SENS 59025-4-T-02-F Littelfuse 1: $7.37 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	$7.37 $6.62 $6.35 $6.02 View $5.79 $5.57 $5.04 $5.00	Min.: 1 Mult.: 1
Proximity Sensors 59140-1-U-02-A SENS 59140-1-U-02-A Littelfuse 1: $7.57 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	$7.57 $6.39 $5.93 $5.01 View $4.65 $4.13 $3.97 $3.83 Quote	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59170-1-S-00-C SENSOR 59170-1-S-00-C Littelfuse 1: $3.67 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	$3.67 $3.10 $2.87 $2.56 View $2.38 $2.25 $2.07 $2.06	Min.: 1 Mult.: 1
Level Sensors 59630 4T02A FLOAT SENSOR 59630-4-T-02-A Littelfuse 1: $12.24 252In 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	252In Stock	$12.24 $11.07 $10.64 $10.12 View $9.78 $9.43 $8.78 $8.54	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59050-3-T-00-0 SENS 59050-3-T-00-0 Littelfuse 1: $7.17 618In Stock	Mfr. Part # 59050-3-T-00-0 Mouser Part # 576-59050-3-T-00-0	Littelfuse	Magnetic / Reed Switches 59050-3-T-00-0 SENS Learn More about Littelfuse 59050 reed switches	Datasheet	618In Stock	$7.17 $5.99 $5.54 $4.68 View $4.44 $4.31 $4.15 $3.92	Min.: 1 Mult.: 1
Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET 57105-000 Littelfuse 1: $3.38 2,831In Stock	Mfr. Part # 57105-000 Mouser Part # 934-57105-000	Littelfuse	Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET Learn More about Littelfuse magnetic actuators	Datasheet	2,831In Stock	$3.38 $3.01 $2.71 $2.61 View $2.49 $2.33 $2.26 $2.23 $2.22	Min.: 1 Mult.: 1
Proximity Sensors 59145-1-S-02-A SENS 59145-1-S-02-A Littelfuse 1: $5.46 2,916In Stock	Mfr. Part # 59145-1-S-02-A Mouser Part # 934-59145-1-S-02-A	Littelfuse	Proximity Sensors 59145-1-S-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	2,916In Stock	$5.46 $4.90 $4.68 $4.44 View $4.26 $4.09 $3.61 $3.54 $3.47	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-T-00-D SENS 59165-1-T-00-D Littelfuse 1: $2.19 8,075In Stock	Mfr. Part # 59165-1-T-00-D Mouser Part # 934-59165-1-T-00-D	Littelfuse	Magnetic / Reed Switches 59165-1-T-00-D SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	8,075In Stock	Cut Tape $2.19 $1.89 $1.76 $1.57 View Reel $1.13 $1.45 $1.37 $1.13 $1.13	Min.: 1 Mult.: 1 : 1,500

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