Magnetic/Reed Switches – Mouser South Africa

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Reed Switches

Littelfuse Reed Switches are ideal for battery-powered applications and automotive safety products. Reed switches have two ferromagnetic blades contained within a tubular glass envelope that is hermetically sealed at each end. Switches are activated by a permanent magnet or an electromagnet, and the reed switch and magnetic field combination is commonly known as the "magnetic circuit."

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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.	Switch Type	Contact Form	Operate Range	Voltage Rating AC	Color	Mounting Style	Termination Style	Packaging
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	Miniature	SPST	15 AT to 20 AT	140 VAC	Black	PCB Mount	Gull Wing Lead	Reel, Cut Tape
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	Sub-Miniature	SPST	10 AT to 15 AT	140 VAC	Black	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	15 AT to 20 AT	140 VAC	Black	PCB Mount	Gull Wing Lead	Bulk
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	Sub-Miniature	SPST	15 AT to 20 AT	140 VAC	Black	PCB Mount	Gull Wing Lead	Reel, Cut Tape, MouseReel
Magnetic/Reed Switches 50-80AT CO 500V 30W 39.7MM REED DRS-DTH-50-80 Littelfuse 1: $15.12 105In Stock	Mfr. Part No. DRS-DTH-50-80 Mouser Part No 934-DRS-DTH-50-80	Littelfuse	Magnetic/Reed Switches 50-80AT CO 500V 30W 39.7MM REED Learn More about Littelfuse reed switches	Datasheet	105In Stock	$15.12 $11.61 $10.40 $10.26	Min.: 1 Mult.: 1	Reed	SPDT	50 AT to 80 AT		Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	20 AT to 25 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	20 AT to 25 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches SWITCH REED FLEX-14-10-15 Littelfuse 1: $1.15 1,720In 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	1,720In Stock	$1.15 $0.989 $0.919 $0.819 View $0.759 $0.718 $0.679 $0.661	Min.: 1 Mult.: 1	Sub-Miniature	SPST	10 AT to 15 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches 14mm SPST-NO 10-15AT MACD-14-10-15 Littelfuse 1: $1.34 868In Stock	Mfr. Part No. MACD-14-10-15 Mouser Part No 934-MACD-14-10-15	Littelfuse	Magnetic/Reed Switches 14mm SPST-NO 10-15AT Learn More about Littelfuse reed switches	Datasheet	868In Stock	$1.34 $1.14 $1.06 $0.94 View $0.872 $0.78 $0.721 $0.699	Min.: 1 Mult.: 1	Sub-Miniature	SPST	10 AT to 30 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches 14mm SPST-NO 15-20AT MACD-14-15-20 Littelfuse 1: $1.58 223In Stock	Mfr. Part No. MACD-14-15-20 Mouser Part No 934-MACD-14-15-20	Littelfuse	Magnetic/Reed Switches 14mm SPST-NO 15-20AT Learn More about Littelfuse reed switches	Datasheet	223In Stock	$1.58 $1.44 $1.30 $1.20 View $1.13 $1.03 $0.868 $0.862	Min.: 1 Mult.: 1	Sub-Miniature	SPST	10 AT to 30 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches 14mm SPST-NO 25-30AT MACD-14-25-30 Littelfuse 1: $1.27 714In Stock	Mfr. Part No. MACD-14-25-30 Mouser Part No 934-MACD-14-25-30	Littelfuse	Magnetic/Reed Switches 14mm SPST-NO 25-30AT Learn More about Littelfuse reed switches	Datasheet	714In Stock	$1.27 $1.13 $1.04 $0.94 View $0.872 $0.825 $0.78 $0.721 $0.699	Min.: 1 Mult.: 1	Sub-Miniature	SPST	25 AT to 30 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	12 AT to 18 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	12 AT to 23 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	17 AT to 23 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	17 AT to 28 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
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	Sub-Miniature	SPST	22 AT to 28 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches SWITCH REED MDCG-4-32-38 Littelfuse 1: $1.23 923In Stock	Mfr. Part No. MDCG-4-32-38 Mouser Part No 934-MDCG-432-38	Littelfuse	Magnetic/Reed Switches SWITCH REED Learn More about Littelfuse Hamlin MDCG 4	Datasheet	923In Stock	$1.23 $1.05 $0.972 $0.866 View $0.804 $0.759 $0.718 $0.704	Min.: 1 Mult.: 1	Sub-Miniature	SPST	32 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches SWITCH REED MDRR-DT-25-30-F Littelfuse 1: $5.45 43In Stock 2,000On Order	Mfr. Part No. MDRR-DT-25-30-F Mouser Part No 934-MDRR-DT25-30F	Littelfuse	Magnetic/Reed Switches SWITCH REED Learn More about Littelfuse reed switches	Datasheet	43In Stock 2,000On Order	$5.45 $4.55 $4.21 $4.13 View $4.11 $3.91 $3.72 $3.52 Quote	Min.: 1 Mult.: 1	Miniature	SPDT	25 AT to 30 AT	120 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches MDRR-DT 1156 25-30 U MDRR-DT-25-30-U Littelfuse 1: $5.71 107In Stock 1,000Expected 2027/05/20	Mfr. Part No. MDRR-DT-25-30-U Mouser Part No 934-MDRR-DT25-30U	Littelfuse	Magnetic/Reed Switches MDRR-DT 1156 25-30 U Learn More about Littelfuse reed switches	Datasheet	107In Stock 1,000Expected 2027/05/20	$5.71 $4.88 $4.57 $4.13 View $3.81 $3.71 $3.09	Min.: 1 Mult.: 1	Miniature	SPDT	25 AT to 30 AT	120 VAC	Clear	PCB Mount	SMD/SMT	Bulk
Magnetic/Reed Switches MDSM-4B 5276 12-18 MDSM-4B-12-18 Littelfuse 1: $1.55 20In Stock	Mfr. Part No. MDSM-4B-12-18 Mouser Part No 934-MDSM-4B12-18	Littelfuse	Magnetic/Reed Switches MDSM-4B 5276 12-18 Learn More about Littelfuse reed switches	Datasheet	20In Stock	$1.55 $1.24 $1.09 $1.00 View $0.963 $0.913 $0.855 $0.816	Min.: 1 Mult.: 1	Sub-Miniature	SPST	12 AT to 18 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches MDSM-4B 5276 32-38 MDSM-4B-32-38 Littelfuse 1: $1.40 321In Stock	Mfr. Part No. MDSM-4B-32-38 Mouser Part No 934-MDSM-4B32-38	Littelfuse	Magnetic/Reed Switches MDSM-4B 5276 32-38 Learn More about Littelfuse reed switches	Datasheet	321In Stock	$1.40 $1.10 $0.976 $0.89 View $0.855 $0.811 $0.80	Min.: 1 Mult.: 1	Sub-Miniature	SPST	32 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches MDSR-10 10-15 MDSR-10-10-15 Littelfuse 1: $1.40 1,660In Stock 1,000Expected 2026/10/26	Mfr. Part No. MDSR-10-10-15 Mouser Part No 934-MDSR-1010-15	Littelfuse	Magnetic/Reed Switches MDSR-10 10-15 Learn More about Littelfuse mdsr 10 reed switches	Datasheet	1,660In Stock 1,000Expected 2026/10/26	$1.40 $1.17 $1.10 $0.976 View $0.905 $0.904 $0.83	Min.: 1 Mult.: 1	Sub-Miniature	SPST	10 AT to 15 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches MDSR-7 10-15 MDSR-7-10-15 Littelfuse 1: $1.35 790In Stock	Mfr. Part No. MDSR-7-10-15 Mouser Part No 934-MDSR-710-15	Littelfuse	Magnetic/Reed Switches MDSR-7 10-15 Learn More about Littelfuse reed switches	Datasheet	790In Stock	$1.35 $1.14 $1.09 $1.03 View $0.979 $0.768 $0.754	Min.: 1 Mult.: 1	Sub-Miniature	SPST	10 AT to 15 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches MLRR-3 22-28 MLRR-3-22-28 Littelfuse 1: $1.33 936In Stock	Mfr. Part No. MLRR-3-22-28 Mouser Part No 934-MLRR-322-28	Littelfuse	Magnetic/Reed Switches MLRR-3 22-28 Learn More about Littelfuse reed switches	Datasheet	936In Stock	$1.33 $1.12 $1.04 $0.925 View $0.856 $0.811 $0.768 $0.708 $0.685	Min.: 1 Mult.: 1	Miniature	SPST	22 AT to 28 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic/Reed Switches MLRR-3 32-38 MLRR-3-32-38 Littelfuse 1: $1.33 221In Stock	Mfr. Part No. MLRR-3-32-38 Mouser Part No 934-MLRR-332-38	Littelfuse	Magnetic/Reed Switches MLRR-3 32-38 Learn More about Littelfuse reed switches	Datasheet	221In Stock	$1.33 $1.12 $1.04 $0.925 View $0.856 $0.811 $0.768 $0.754	Min.: 1 Mult.: 1	Miniature	SPST	32 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk