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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 $11.45 $11.33 $10.70 $10.61	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE 55075-00-02-A Littelfuse 1: $44.35 1,290In Stock 183Expected 2026-11-23	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	1,290In Stock 183Expected 2026-11-23	$44.35 $43.57 $42.39 $41.57 View $39.87 $39.86 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55100-3H-04-A Littelfuse 1: $12.12 4,756In 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	4,756In Stock	$12.12 $10.97 $10.54 $10.02 View $9.68 $9.36 $8.64 $8.40	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-U-00-A SENS 59165-1-U-00-A Littelfuse 1: $2.92 12,995In 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	12,995In 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 5,845In 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	5,845In Stock	$5.44 $4.85 $4.64 $4.48 View $4.32 $4.13 $3.97 $3.83	Min.: 1 Mult.: 1
Proximity Sensors 59140-4-U-02-A SENS 59140-4-U-02-A Littelfuse 1: $7.13 375In Stock	Mfr. Part # 59140-4-U-02-A Mouser Part # 934-59140-4-U-02-A	Littelfuse	Proximity Sensors 59140-4-U-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	375In Stock	$7.13 $6.42 $6.15 $5.83 View $5.62 $5.40 $5.27	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	Min.: 1 Mult.: 1
Proximity Sensors 59145-1-S-02-A SENS 59145-1-S-02-A Littelfuse 1: $5.46 2,917In 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	2,917In 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
Magnetic / Reed Switches HA15-2 17-23 HA15-2-17-23 Littelfuse 1: $3.36 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	$3.36 $2.84 $2.62 $2.35 View $2.17 $2.06 $2.04 $1.80 $1.74	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10R 5431 10-25 MDSM-10R-10-25 Littelfuse 1: $2.35 2,335In 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	2,335In Stock	Cut Tape $2.35 $2.06 $1.92 $1.73 Reel $1.21 View $1.63 $1.54 $1.47 $1.16	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 $6.21 $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 485In 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	485In 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 2,822In 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	2,822In 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 SWITCH REED HA15-2-22-28 Littelfuse 1: $3.36 9,882In Stock	Mfr. Part # HA15-2-22-28 Mouser Part # 934-HA15-222-28	Littelfuse	Magnetic / Reed Switches SWITCH REED Learn More about Littelfuse reed switches	Datasheet	9,882In Stock	$3.36 $2.84 $2.62 $2.35 View $2.17 $2.06 $2.00	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MT PROX SEN ANALOG 55100-AP-02-A Littelfuse 1: $20.10 346In Stock	Mfr. Part # 55100-AP-02-A Mouser Part # 934-55100AP02A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MT PROX SEN ANALOG Learn More about Littelfuse Hamlin 55100 Sensor	Datasheet	346In Stock	$20.10 $18.29 $17.63 $16.73 View $16.01 $15.44 $14.73	Min.: 1 Mult.: 1
Proximity Sensors PROXIMITY SENSORS 59020-1-S-02-F Littelfuse 1: $10.67 425In Stock 100Expected 2026-10-19	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	425In Stock 100Expected 2026-10-19	$10.67 $9.63 $9.26 $8.80 View $8.48 $8.18 $7.59 $7.29 Quote	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59050 030 PROX SENSOR 59050-030 Littelfuse 1: $7.52 1,067In Stock	Mfr. Part # 59050-030 Mouser Part # 934-59050-030	Littelfuse	Magnetic / Reed Switches 59050 030 PROX SENSOR Learn More about Littelfuse 59050 reed switches	Datasheet	1,067In Stock	$7.52 $6.28 $5.82 $4.91 View $4.65 $4.12	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59170-1-S-00-C SENSOR 59170-1-S-00-C Littelfuse 1: $3.67 5,640In 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	5,640In 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 253In 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	253In Stock	$12.24 $11.07 $10.64 $10.12 View $9.78 $9.76 $8.78 $8.54	Min.: 1 Mult.: 1
Proximity Sensors 59145-3-S-02-A SENS 59145-3-S-02-A Littelfuse 1: $10.50 498In Stock	Mfr. Part # 59145-3-S-02-A Mouser Part # 934-59145-3-S-02-A	Littelfuse	Proximity Sensors 59145-3-S-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	498In Stock	$10.50 $9.35 $8.80 $8.15 View $7.69 $7.26 $6.18 $5.99	Min.: 1 Mult.: 1
Magnetic / Reed Switches Sub-Mini NO Switch MDCG-4-7-13 Littelfuse 1: $1.77 7,026In Stock	Mfr. Part # MDCG-4-7-13 Mouser Part # 934-MDCG-4-7-13	Littelfuse	Magnetic / Reed Switches Sub-Mini NO Switch Learn More about Littelfuse Hamlin MDCG 4	Datasheet	7,026In Stock	$1.77 $1.51 $1.40 $1.25 View $1.16 $1.09 $1.08 $1.03 $1.01	Min.: 1 Mult.: 1
Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker 59025-4-S-05-A Littelfuse 1: $10.38 685In 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	685In Stock	$10.38 $9.37 $9.00 $8.55 View $8.25 $7.95 $7.82 $7.19	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN THREAD BARREL SPST-NO 59065-1-S-02-A Littelfuse 1: $8.57 1,300In 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	1,300In Stock	$8.57 $7.14 $6.61 $5.41 View $5.21 $4.97 $4.74	Min.: 1 Mult.: 1

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