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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
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
Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 59140-020 Littelfuse 1: $4.33 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	$4.33 $4.32 $3.35 $2.73 View $2.63 $2.36	Min.: 1 Mult.: 1
Proximity Sensors 59140-3-S-02-F SENS 59140-3-S-02-F Littelfuse 1: $5.53 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	$5.53 $4.98 $4.87 $4.59 View $3.89 $3.77	Min.: 1 Mult.: 1
Proximity Sensors 59150-3-T-02-F SENS 59150-3-T-02-F Littelfuse 1: $5.90 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	$5.90 $5.31 $4.84 $4.66 View $4.65 $4.16 $4.04	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-T-00-A SENS 59165-1-T-00-A Littelfuse 1: $2.03 2,618In 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	2,618In Stock	$2.03 $1.71 $1.59 $1.42 View $1.31 $1.29 $1.14 $1.12 $1.04	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT 1156 15-20 U MDRR-DT-15-20-U Littelfuse 1: $5.26 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	$5.26 $4.38 $4.06 $3.62 View $3.37 $3.21 $3.05 $2.88	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
Magnetic / Reed Switches 59050-3-T-00-0 SENS 59050-3-T-00-0 Littelfuse 1: $4.98 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	$4.98 $4.16 $3.85 $3.25 View $3.08 $2.99 $2.88 $2.72	Min.: 1 Mult.: 1
Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET 57105-000 Littelfuse 1: $2.35 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	$2.35 $2.09 $1.88 $1.81 View $1.73 $1.63 $1.59 $1.56 $1.55	Min.: 1 Mult.: 1
Proximity Sensors 59145-1-S-02-A SENS 59145-1-S-02-A Littelfuse 1: $3.79 2,913In 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	2,913In Stock	$3.79 $3.40 $3.08 $2.96 View $2.84 $2.56 $2.50	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-T-00-D SENS 59165-1-T-00-D Littelfuse 1: $1.52 8,015In 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	8,015In Stock	Cut Tape $1.52 $1.31 $1.22 $1.09 Reel $0.741 View $1.01 $0.947 $0.784 $0.739	Min.: 1 Mult.: 1 : 1,500
Magnetic / Reed Switches HA15-2 17-23 HA15-2-17-23 Littelfuse 1: $2.33 1,036In Stock	Mfr. Part # HA15-2-17-23 Mouser Part # 934-HA15-217-23	Littelfuse	Magnetic / Reed Switches HA15-2 17-23 Learn More about Littelfuse reed switches	Datasheet	1,036In Stock	$2.33 $1.97 $1.82 $1.63 View $1.51 $1.43 $1.31 $1.25 $1.21	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10R 5431 10-25 MDSM-10R-10-25 Littelfuse 1: $1.59 2,165In Stock	Mfr. Part # MDSM-10R-10-25 Mouser Part # 934-MDSM-10R10-25	Littelfuse	Magnetic / Reed Switches MDSM-10R 5431 10-25 Learn More about Littelfuse reed switches	Datasheet	2,165In Stock	Cut Tape $1.59 $1.40 $1.30 $1.18 Reel $0.843 View $1.13 $1.07 $1.02 $0.806	Min.: 1 Mult.: 1 : 3,000
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
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

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