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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.
Magnetic/Reed Switches 59165-1-U-00-D SENSOR 59165-1-U-00-D Littelfuse 1: $1.40 538In Stock	Mfr. Part No. 59165-1-U-00-D Mouser Part No 934-59165-1-U-00-D	Littelfuse	Magnetic/Reed Switches 59165-1-U-00-D SENSOR Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	538In Stock	Cut Tape $1.40 $1.17 $1.10 $0.973 View Reel $0.797 $0.902 $0.854 $0.797 $0.797	Min.: 1 Mult.: 1 : 1,500
Magnetic/Reed Switches 200V 16mm GULL WING REEL 59166-1-S-00-D Littelfuse 1: $1.26 4,500Expected 2026/11/25	Mfr. Part No. 59166-1-S-00-D Mouser Part No 934-59166-1-S-00-D	Littelfuse	Magnetic/Reed Switches 200V 16mm GULL WING REEL Learn More about Littelfuse 59166 reed switches	Datasheet	4,500Expected 2026/11/25	Cut Tape $1.26 $1.08 $0.999 $0.891 View Reel $0.757 $0.826 $0.78 $0.757 $0.757	Min.: 1 Mult.: 1 : 1,500
Magnetic/Reed Switches NO 15-20AT 6.5mm Overmolded Sensor 59166-1-T-00-C Littelfuse 1: $1.60 245In Stock	Mfr. Part No. 59166-1-T-00-C Mouser Part No 934-59166-1-T-00-C	Littelfuse	Magnetic/Reed Switches NO 15-20AT 6.5mm Overmolded Sensor Learn More about Littelfuse 59166 reed switches	Datasheet	245In Stock	Cut Tape $1.60 $1.37 $1.17 $1.06 Reel $0.925 View $0.994 $0.882 $0.868	Min.: 1 Mult.: 1 : 1,000
Magnetic/Reed Switches 59170-1-S-00-A SENS 59170-1-S-00-A Littelfuse 1: $2.55 683In Stock 2,400Expected 2026/12/09	Mfr. Part No. 59170-1-S-00-A Mouser Part No 934-59170-1-S-00-A	Littelfuse	Magnetic/Reed Switches 59170-1-S-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	683In Stock 2,400Expected 2026/12/09	$2.55 $2.15 $1.99 $1.78 View $1.65 $1.54	Min.: 1 Mult.: 1
Magnetic/Reed Switches 59170-1-T-00-C SENS 59170-1-T-00-C Littelfuse 1: $2.61 767In Stock	Mfr. Part No. 59170-1-T-00-C Mouser Part No 934-59170-1-T-00-C	Littelfuse	Magnetic/Reed Switches 59170-1-T-00-C SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	767In Stock	$2.61 $2.19 $2.04 $1.81 $1.54	Min.: 1 Mult.: 1
Magnetic/Reed Switches 59170-1-T-00-D SENSOR 59170-1-T-00-D Littelfuse 1: $1.14 733In Stock 18,000Expected 2026/11/30	Mfr. Part No. 59170-1-T-00-D Mouser Part No 934-59170-1-T-00-D	Littelfuse	Magnetic/Reed Switches 59170-1-T-00-D SENSOR Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	733In Stock 18,000Expected 2026/11/30	Cut Tape $1.14 $0.968 $0.899 $0.886 Reel $0.886 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Level Sensors NO 10W 300mm Flange Mount 59630-1-T-02-F Littelfuse 1: $8.93 58In Stock	Mfr. Part No. 59630-1-T-02-F Mouser Part No 934-59630-1-T-02-F	Littelfuse	Level Sensors NO 10W 300mm Flange Mount Learn More about Littelfuse reed sensors	Datasheet	58In Stock	$8.93 $8.09 $7.78 $7.40 View $7.14 $7.11	Min.: 1 Mult.: 1
Level Sensors 59630 1T03A FLOAT SENSOR 59630-1-T-03-A Littelfuse 1: $8.06 203In Stock	Mfr. Part No. 59630-1-T-03-A Mouser Part No 934-59630-1-T-03-A	Littelfuse	Level Sensors 59630 1T03A FLOAT SENSOR Learn More about Littelfuse reed sensors	Datasheet	203In Stock	$8.06 $7.29 $7.00 $6.99 View $6.94 $6.33	Min.: 1 Mult.: 1
Sensor Fixings & Accessories MAGNET CM-1 CM-1-MAGNET Littelfuse 1: $1.90 219In Stock	Mfr. Part No. CM-1-MAGNET Mouser Part No 934-CM-1	Littelfuse	Sensor Fixings & Accessories MAGNET CM-1 Learn More about Littelfuse magnetic actuators	Datasheet	219In Stock	$1.90 $1.69 $1.51 $1.45 View $1.44 $1.26 $1.23	Min.: 1 Mult.: 1
Magnetic/Reed Switches FLEX-14-20-25 FLEX-14-20-25 Littelfuse 1: $1.10 920In Stock 1,000Expected 2026/10/01	Mfr. Part No. FLEX-14-20-25 Mouser Part No 934-FLEX-14-20-25	Littelfuse	Magnetic/Reed Switches FLEX-14-20-25 Learn More about Littelfuse reed switches	Datasheet	920In Stock 1,000Expected 2026/10/01	$1.10 $0.933 $0.868 $0.773 View $0.716 $0.677 $0.64 $0.59 $0.57	Min.: 1 Mult.: 1
Magnetic/Reed Switches FLEX-14-25-30 FLEX-14-25-30 Littelfuse 1: $1.04 887In Stock	Mfr. Part No. FLEX-14-25-30 Mouser Part No 934-FLEX-14-25-30	Littelfuse	Magnetic/Reed Switches FLEX-14-25-30 Learn More about Littelfuse reed switches	Datasheet	887In Stock	$1.04 $0.912 $0.847 $0.773 View $0.77 $0.64 $0.59 $0.57	Min.: 1 Mult.: 1
Magnetic/Reed Switches NO Switch 10-30AT FLEX-14-35-40 Littelfuse 1: $1.04 22In Stock	Mfr. Part No. FLEX-14-35-40 Mouser Part No 934-FLEX-14-35-40	Littelfuse	Magnetic/Reed Switches NO Switch 10-30AT Learn More about Littelfuse sensors	Datasheet	22In Stock	$1.04 $0.914 $0.849 $0.773 View $0.716 $0.677 $0.64 $0.621	Min.: 1 Mult.: 1
Magnetic/Reed Switches FLEX-14-7-10 FLEX-14-7-10 Littelfuse 1: $1.10 926In Stock	Mfr. Part No. FLEX-14-7-10 Mouser Part No 934-FLEX-14-7-10	Littelfuse	Magnetic/Reed Switches FLEX-14-7-10 Learn More about Littelfuse sensors	Datasheet	926In Stock	$1.10 $0.933 $0.868 $0.773 View $0.716 $0.64 $0.621	Min.: 1 Mult.: 1
Magnetic/Reed Switches SWITCH REED FLEX-14-10-15 Littelfuse 1: $1.15 1,725In Stock	Mfr. Part No. FLEX-14-10-15 Mouser Part No 934-FLEX-1410-15	Littelfuse	Magnetic/Reed Switches SWITCH REED Learn More about Littelfuse reed switches	Datasheet	1,725In Stock	$1.15 $0.989 $0.919 $0.819 View $0.759 $0.718 $0.679 $0.644	Min.: 1 Mult.: 1
Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET H-34-MAGNET Littelfuse 1: $5.94 200In Stock	Mfr. Part No. H-34-MAGNET Mouser Part No 934-H-34	Littelfuse	Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET Learn More about Littelfuse magnetic actuators	Datasheet	200In Stock	$5.94 $5.34 $5.12 $4.85 View $4.68 $4.40 $3.71 $3.70 $3.68	Min.: 1 Mult.: 1
Sensor Fixings & Accessories H-36 MAGNET MAGNETIZED H-36-MAGNET Littelfuse 1: $3.23 101In Stock	Mfr. Part No. H-36-MAGNET Mouser Part No 934-H-36	Littelfuse	Sensor Fixings & Accessories H-36 MAGNET MAGNETIZED Learn More about Littelfuse magnetic actuators	Datasheet	101In Stock	$3.23 $2.90 $2.61 $2.51 View $2.40 $2.19 $2.12	Min.: 1 Mult.: 1
Magnetic/Reed Switches Sub-Mini NO Switch MDCG-4-37-43 Littelfuse 1: $1.17 989In Stock	Mfr. Part No. MDCG-4-37-43 Mouser Part No 934-MDCG-4-37-43	Littelfuse	Magnetic/Reed Switches Sub-Mini NO Switch Learn More about Littelfuse Hamlin MDCG 4	Datasheet	989In Stock	$1.17 $1.04 $0.959 $0.866 View $0.843 $0.814 $0.718 $0.704	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDCG-4 12-18 MDCG-4-12-18 Littelfuse 1: $1.10 1,333In Stock	Mfr. Part No. MDCG-4-12-18 Mouser Part No 934-MDCG-412-18	Littelfuse	Magnetic/Reed Switches MDCG-4 12-18 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	1,333In Stock	$1.10 $0.961 $0.897 $0.866 View $0.804 $0.759 $0.758 $0.729	Min.: 1 Mult.: 1
Magnetic/Reed Switches SWITCH REED MDCG-4-12-23 Littelfuse 1: $1.23 1,152In Stock	Mfr. Part No. MDCG-4-12-23 Mouser Part No 934-MDCG-412-23	Littelfuse	Magnetic/Reed Switches SWITCH REED Learn More about Littelfuse Hamlin MDCG 4	Datasheet	1,152In Stock	$1.23 $1.05 $0.956 $0.866 View $0.804 $0.797 $0.751 $0.704	Min.: 1 Mult.: 1
Magnetic/Reed Switches SWITCH REED MDCG-4-12-33 Littelfuse 1: $1.23 860In Stock	Mfr. Part No. MDCG-4-12-33 Mouser Part No 934-MDCG-412-33	Littelfuse	Magnetic/Reed Switches SWITCH REED Learn More about Littelfuse Hamlin MDCG 4	Datasheet	860In Stock	$1.23 $1.04 $0.951 $0.857 View $0.794 $0.755 $0.718 $0.704	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDCG-4 12-38 MDCG-4-12-38 Littelfuse 1: $1.23 69In Stock	Mfr. Part No. MDCG-4-12-38 Mouser Part No 934-MDCG-412-38	Littelfuse	Magnetic/Reed Switches MDCG-4 12-38 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	69In Stock	$1.23 $1.05 $0.866 $0.804 View $0.759 $0.704	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDCG-4 17-23 MDCG-4-17-23 Littelfuse 1: $1.15 1,138In Stock	Mfr. Part No. MDCG-4-17-23 Mouser Part No 934-MDCG-417-23	Littelfuse	Magnetic/Reed Switches MDCG-4 17-23 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	1,138In Stock	$1.15 $1.01 $0.934 $0.837 View $0.779 $0.776	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDCG-4 5265 17-28 RDSW MDCG-4-17-28 Littelfuse 1: $1.37 981In Stock	Mfr. Part No. MDCG-4-17-28 Mouser Part No 934-MDCG-417-28	Littelfuse	Magnetic/Reed Switches MDCG-4 5265 17-28 RDSW Learn More about Littelfuse Hamlin MDCG 4	Datasheet	981In Stock	$1.37 $1.17 $1.08 $0.961 View $0.89 $0.776 $0.737 $0.712	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDCG-4 22-28 MDCG-4-22-28 Littelfuse 1: $1.23 1,290In Stock 2,000Expected 2026/10/26	Mfr. Part No. MDCG-4-22-28 Mouser Part No 934-MDCG-422-28	Littelfuse	Magnetic/Reed Switches MDCG-4 22-28 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	1,290In Stock 2,000Expected 2026/10/26	$1.23 $1.05 $0.972 $0.866 $0.857	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDCG-4 22-38 MDCG-4-22-38 Littelfuse 1: $1.36 302In Stock	Mfr. Part No. MDCG-4-22-38 Mouser Part No 934-MDCG-422-38	Littelfuse	Magnetic/Reed Switches MDCG-4 22-38 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	302In Stock	$1.36 $1.17 $1.08 $0.961 View $0.89 $0.842 $0.797 $0.737 $0.712	Min.: 1 Mult.: 1

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