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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.
Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE 55075-00-02-A Littelfuse 1: $30.80 1,290In Stock 183Expected 23/11/2026	Mfr. Part No. 55075-00-02-A Mouser Part No 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 23/11/2026	$30.80 $30.26 $29.44 $28.87 View $27.69 $27.68 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55100-3H-04-A Littelfuse 1: $8.42 4,756In Stock	Mfr. Part No. 55100-3H-04-A Mouser Part No 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	$8.42 $7.62 $7.32 $6.96 View $6.72 $6.50 $6.00 $5.83	Min.: 1 Mult.: 1
Magnetic/Reed Switches 59165-1-U-00-A SENS 59165-1-U-00-A Littelfuse 1: $2.03 12,995In Stock	Mfr. Part No. 59165-1-U-00-A Mouser Part No 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	$2.03 $1.71 $1.37 $1.26 View $1.19 $1.13 $1.11 $1.08	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN VANE SPST-NO W/WIRE 59085-010 Littelfuse 1: $9.50 5,964In Stock	Mfr. Part No. 59085-010 Mouser Part No 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 $8.28 $8.20 View $7.95 $7.87 $7.43 $7.37	Min.: 1 Mult.: 1
Reed Relays REED RELAY HE722A1210 Littelfuse 1: $3.78 5,838In Stock Factory Special Order	Mfr. Part No. HE722A1210 Mouser Part No 934-HE722A1210 Factory Special Order	Littelfuse	Reed Relays REED RELAY Learn More about Littelfuse he700	Datasheet	5,838In Stock	$3.78 $3.37 $3.22 $3.11 View $3.00 $2.87 $2.76 $2.66	Min.: 1 Mult.: 1
Proximity Sensors 59145-3-S-02-A SENS 59145-3-S-02-A Littelfuse 1: $7.29 498In Stock	Mfr. Part No. 59145-3-S-02-A Mouser Part No 934-59145-3-S-02-A	Littelfuse	Proximity Sensors 59145-3-S-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	498In Stock	$7.29 $6.49 $6.11 $5.66 View $5.34 $5.04 $4.29 $4.16	Min.: 1 Mult.: 1
Magnetic/Reed Switches Sub-Mini NO Switch MDCG-4-7-13 Littelfuse 1: $1.23 7,026In Stock	Mfr. Part No. MDCG-4-7-13 Mouser Part No 934-MDCG-4-7-13	Littelfuse	Magnetic/Reed Switches Sub-Mini NO Switch Learn More about Littelfuse Hamlin MDCG 4	Datasheet	7,026In Stock	$1.23 $1.05 $0.972 $0.866 View $0.803 $0.759 $0.747 $0.717 $0.704	Min.: 1 Mult.: 1
Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET 57105-000 Littelfuse 1: $2.35 2,831In Stock	Mfr. Part No. 57105-000 Mouser Part No 934-57105-000	Littelfuse	Sensor Fixings & 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 $1.62 $1.57 $1.55	Min.: 1 Mult.: 1
Proximity Sensors 59145-1-S-02-A SENS 59145-1-S-02-A Littelfuse 1: $3.79 2,917In Stock	Mfr. Part No. 59145-1-S-02-A Mouser Part No 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	$3.79 $3.40 $3.25 $3.08 View $2.96 $2.84 $2.51 $2.46 $2.41	Min.: 1 Mult.: 1
Magnetic/Reed Switches 59165-1-T-00-D SENS 59165-1-T-00-D Littelfuse 1: $1.52 8,075In Stock	Mfr. Part No. 59165-1-T-00-D Mouser Part No 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 $1.52 $1.31 $1.22 $1.09 View Reel $0.784 $1.01 $0.948 $0.784 $0.784	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 No. HA15-2-17-23 Mouser Part No 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 $1.42 $1.25 $1.21	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDSM-10R 5431 10-25 MDSM-10R-10-25 Littelfuse 1: $1.63 2,335In Stock	Mfr. Part No. MDSM-10R-10-25 Mouser Part No 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 $1.63 $1.43 $1.33 $1.20 Reel $0.843 View $1.13 $1.07 $1.02 $0.806	Min.: 1 Mult.: 1 : 3,000
Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 59140-020 Littelfuse 1: $4.33 1,389In Stock	Mfr. Part No. 59140-020 Mouser Part No 934-59140-020	Littelfuse	Proximity Sensors PROX SENSOR MINI FLANGE MOUNT Learn More about Littelfuse sensors	Datasheet	1,389In Stock	$4.33 $4.31 $3.62 $3.35 View $2.73 $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 No. 59140-3-S-02-F Mouser Part No 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 485In Stock	Mfr. Part No. 59150-3-T-02-F Mouser Part No 934-59150-3-T-02-F	Littelfuse	Proximity Sensors 59150-3-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	485In Stock	$5.90 $5.31 $5.10 $4.84 View $4.66 $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 2,822In Stock	Mfr. Part No. 59165-1-T-00-A Mouser Part No 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	$2.03 $1.71 $1.59 $1.42 View $1.31 $1.29 $1.25 $1.21 $1.04	Min.: 1 Mult.: 1
Magnetic/Reed Switches SWITCH REED HA15-2-22-28 Littelfuse 1: $2.33 9,882In Stock	Mfr. Part No. HA15-2-22-28 Mouser Part No 934-HA15-222-28	Littelfuse	Magnetic/Reed Switches SWITCH REED Learn More about Littelfuse reed switches	Datasheet	9,882In Stock	$2.33 $1.97 $1.82 $1.63 View $1.51 $1.43 $1.39	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 No. 59025-4-S-05-A Mouser Part No 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 $6.25 $5.94 View $5.73 $5.52 $5.43 $4.99	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN THREAD BARREL SPST-NO 59065-1-S-02-A Littelfuse 1: $5.95 1,300In Stock	Mfr. Part No. 59065-1-S-02-A Mouser Part No 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	$5.95 $4.96 $4.59 $3.76 View $3.62 $3.45 $3.29	Min.: 1 Mult.: 1
Proximity Sensors 59085 030 PROX SENSOR 59085-030 Littelfuse 1: $11.91 261In Stock	Mfr. Part No. 59085-030 Mouser Part No 934-59085-030	Littelfuse	Proximity Sensors 59085 030 PROX SENSOR Learn More about Littelfuse sensors	Datasheet	261In Stock	$11.91 $10.03 $9.32 $8.46 View $7.86 $7.31 $6.47 $6.26	Min.: 1 Mult.: 1
Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET H-33-MAGNET Littelfuse 1: $2.68 2,433In Stock	Mfr. Part No. H-33-MAGNET Mouser Part No 934-H-33	Littelfuse	Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET Learn More about Littelfuse magnetic actuators	Datasheet	2,433In Stock	$2.68 $2.26 $1.70 $1.55 View $1.47 $1.32 $1.28 $1.24	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDRR-DT-30-35-U MDRR-DT-30-35-U Littelfuse 1: $5.26 745In Stock	Mfr. Part No. MDRR-DT-30-35-U Mouser Part No 934-MDRR-DT30-35U	Littelfuse	Magnetic/Reed Switches MDRR-DT-30-35-U Learn More about Littelfuse sensors	Datasheet	745In Stock	$5.26 $4.38 $4.06 $3.62 View $3.56 $3.55 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial MINI FLANGE MT PROX SEN ANALOG 55100-AP-02-A Littelfuse 1: $13.96 346In 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 Learn More about Littelfuse Hamlin 55100 Sensor	Datasheet	346In Stock	$13.96 $12.70 $12.24 $11.62 View $11.12 $10.72 $10.23	Min.: 1 Mult.: 1
Proximity Sensors PROXIMITY SENSORS 59020-1-S-02-F Littelfuse 1: $7.41 425In Stock 100Expected 19/10/2026	Mfr. Part No. 59020-1-S-02-F Mouser Part No 934-59020-1-S-02-F	Littelfuse	Proximity Sensors PROXIMITY SENSORS Learn More about Littelfuse hamlin 59020 mini firecracker sensor	Datasheet	425In Stock 100Expected 19/10/2026	$7.41 $6.69 $6.43 $6.11 View $5.89 $5.68 $5.27 $5.06 Quote	Min.: 1 Mult.: 1
Proximity Sensors 59025-4-T-02-F SENS 59025-4-T-02-F Littelfuse 1: $5.64 598In Stock	Mfr. Part No. 59025-4-T-02-F Mouser Part No 934-59025-4-T-02-F	Littelfuse	Proximity Sensors 59025-4-T-02-F SENS Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	598In Stock	$5.64 $4.70 $4.36 $3.56 View $3.43 $3.27 $3.11	Min.: 1 Mult.: 1

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