Magnetic / Reed Switches

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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 (JPY) 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 SPST 140VAC, 15 AT-20 AT Range MDSR-10-15-20 Littelfuse 1: ¥230.9 1,781In Stock	Mfr. Part # MDSR-10-15-20 Mouser Part # 934-MDSR-1015-20	Littelfuse	Magnetic / Reed Switches SPST 140VAC, 15 AT-20 AT Range Learn More about Littelfuse mdsr 10 reed switches	Datasheet	1,781In Stock	¥230.9 ¥196 ¥182.7 ¥162.1 View ¥150.3 ¥140.5 ¥124.4 ¥120.3	Min.: 1 Mult.: 1	Sub-Miniature	SPST	15 AT to 20 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches NO 37-43AT MRPR-20-37-43 Littelfuse 1: ¥586.3 585In Stock	Mfr. Part # MRPR-20-37-43 Mouser Part # 934-MRPR-20-37-43	Littelfuse	Magnetic / Reed Switches NO 37-43AT Learn More about Littelfuse reed switches	Datasheet	585In Stock	¥586.3 ¥491.7 ¥455.1 ¥405.3 View ¥377 ¥357.1 ¥355.5 ¥315.6 ¥312.3	Min.: 1 Mult.: 1	Miniature	SPST	37 AT to 43 AT	265 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDSM-4R 5277 17-23 MDSM-4R-17-23 Littelfuse 1: ¥239.2 1,663In Stock	Mfr. Part # MDSM-4R-17-23 Mouser Part # 934-MDSM-4R17-23	Littelfuse	Magnetic / Reed Switches MDSM-4R 5277 17-23 Learn More about Littelfuse reed switches	Datasheet	1,663In Stock	Cut Tape ¥239.2 ¥204.3 ¥189.4 ¥169.4 View Reel ¥139.4 ¥155.6 ¥148.7 ¥147.2 ¥139.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Sub-Miniature	SPST	17 AT to 23 AT	140 VAC	Clear	PCB Mount	Axial	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches MLRR-3 27-33 MLRR-3-27-33 Littelfuse 1: ¥237.5 988In Stock	Mfr. Part # MLRR-3-27-33 Mouser Part # 934-MLRR-327-33	Littelfuse	Magnetic / Reed Switches MLRR-3 27-33 Learn More about Littelfuse reed switches	Datasheet	988In Stock	¥237.5 ¥209.3 ¥194.3 ¥172.7 View ¥160.1 ¥151.5 ¥143.5 ¥132.5 ¥128.2	Min.: 1 Mult.: 1	Miniature	SPST	27 AT to 33 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MISM-7LB 6-10AT Before Mod MISM-7LB-6-10 Littelfuse 1: ¥355.5 1,432In Stock	Mfr. Part # MISM-7LB-6-10 Mouser Part # 576-MISM-7LB-6-10	Littelfuse	Magnetic / Reed Switches MISM-7LB 6-10AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	1,432In Stock	¥355.5 ¥300.6 ¥279 ¥249.2 View ¥230.9 ¥219.3 ¥189.4	Min.: 1 Mult.: 1		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Bulk
Magnetic / Reed Switches MISM-7LR 15-20AT Before Mod MISM-7LR-15-20 Littelfuse 1: ¥375.4 2,782In Stock	Mfr. Part # MISM-7LR-15-20 Mouser Part # 576-MISM-7LR-15-20	Littelfuse	Magnetic / Reed Switches MISM-7LR 15-20AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	2,782In Stock	Cut Tape ¥375.4 ¥317.3 ¥294 ¥262.4 View Reel ¥199.3 ¥242.5 ¥230.9 ¥217.6 ¥199.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches MISM-7LR 20-25AT Before Mod MISM-7LR-20-25 Littelfuse 1: ¥375.4 2,244In Stock	Mfr. Part # MISM-7LR-20-25 Mouser Part # 576-MISM-7LR-20-25	Littelfuse	Magnetic / Reed Switches MISM-7LR 20-25AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	2,244In Stock	Cut Tape ¥375.4 ¥317.3 ¥294 ¥262.4 Reel ¥181 View ¥242.5 ¥230.9 ¥217.6 ¥172.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches MISM-7LR 6-10AT Before Mod MISM-7LR-6-10 Littelfuse 1: ¥375.4 2,328In Stock	Mfr. Part # MISM-7LR-6-10 Mouser Part # 576-MISM-7LR-6-10	Littelfuse	Magnetic / Reed Switches MISM-7LR 6-10AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	2,328In Stock	Cut Tape ¥375.4 ¥317.3 ¥294 ¥262.4 View Reel ¥199.3 ¥242.5 ¥230.9 ¥217.6 ¥199.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches MITI-7L-10-15 Standard Sort MITI-7L-10-15 Littelfuse 1: ¥297.3 2,103In Stock	Mfr. Part # MITI-7L-10-15 Mouser Part # 576-MITI-7L-10-15	Littelfuse	Magnetic / Reed Switches MITI-7L-10-15 Standard Sort Learn More about Littelfuse miti 7l reed switches	Datasheet	2,103In Stock	¥297.3 ¥250.8 ¥234.2 ¥207.6 View ¥192.7 ¥191 ¥174.4	Min.: 1 Mult.: 1		SPST-NO		120 VAC		PCB Mount	Axial	Bulk
Magnetic / Reed Switches MITI-7L-6-10 Standard Sort MITI-7L-6-10 Littelfuse 1: ¥325.6 1,481In Stock	Mfr. Part # MITI-7L-6-10 Mouser Part # 576-MITI-7L-6-10	Littelfuse	Magnetic / Reed Switches MITI-7L-6-10 Standard Sort Learn More about Littelfuse miti 7l reed switches	Datasheet	1,481In Stock	¥325.6 ¥297.3 ¥272.4 ¥245.8 View ¥232.5 ¥222.6 ¥212.6 ¥201 ¥192.7	Min.: 1 Mult.: 1		SPST-NO		120 VAC		PCB Mount	Axial	Bulk
Magnetic / Reed Switches MISM-7 10-15 B4MOD MISM-7R-10-15 Littelfuse 1: ¥455.1 23,174In Stock 3,000Expected 10/13/2026	Mfr. Part # MISM-7R-10-15 Mouser Part # 576-MISM-7R-10-15	Littelfuse	Magnetic / Reed Switches MISM-7 10-15 B4MOD Learn More about Littelfuse mism 7 reed switches	Datasheet	23,174In Stock 3,000Expected 10/13/2026	Cut Tape ¥455.1 ¥383.7 ¥355.5 ¥317.3 View Reel ¥244.2 ¥294 ¥279 ¥264.1 ¥244.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reed	SPST	10 AT to 15 AT	120 VAC			SMD/SMT	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches MISM-7 6-10 B4MOD MISM-7R-6-10 Littelfuse 1: ¥455.1 14,685In Stock 9,000Expected 11/9/2026	Mfr. Part # MISM-7R-6-10 Mouser Part # 576-MISM-7R-6-10	Littelfuse	Magnetic / Reed Switches MISM-7 6-10 B4MOD Learn More about Littelfuse mism 7 reed switches	Datasheet	14,685In Stock 9,000Expected 11/9/2026	Cut Tape ¥455.1 ¥383.7 ¥355.5 ¥317.3 View Reel ¥244.2 ¥294 ¥279 ¥264.1 ¥244.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Reed	SPST	6 AT to 10 AT	120 VAC		PCB Mount	SMD/SMT	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches SWITCH REED MITI-7-6-10 Littelfuse 1: ¥357.1 83,264In Stock	Mfr. Part # MITI-7-6-10 Mouser Part # 576-MITI-7-6-10	Littelfuse	Magnetic / Reed Switches SWITCH REED Learn More about Littelfuse miti 7 reed switches	Datasheet	83,264In Stock	¥357.1 ¥302.3 ¥277.4 ¥245.8 View ¥229.2 ¥217.6 ¥212.6	Min.: 1 Mult.: 1	Reed	SPST	6 AT to 10 AT	120 VAC		PCB Mount	Axial	Bulk
Magnetic / Reed Switches MIN OVERMOLD REED SWITCH AXIAL 59165-1-S-00-A Littelfuse 1: ¥337.2 12,065In Stock	Mfr. Part # 59165-1-S-00-A Mouser Part # 934-59165-1-S-00-A	Littelfuse	Magnetic / Reed Switches MIN OVERMOLD REED SWITCH AXIAL Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	12,065In Stock	¥337.2 ¥284 ¥264.1 ¥235.9 View ¥217.6 ¥199.3	Min.: 1 Mult.: 1	Miniature	SPST	10 AT to 15 AT	140 VAC	Black	PCB Mount	Axial	Bulk
Magnetic / Reed Switches 65-80AT CO 500V 30W 39.7MM REED DRS-DTH-65-80 Littelfuse 1: ¥3,011.4 399In Stock	Mfr. Part # DRS-DTH-65-80 Mouser Part # 934-DRS-DTH-65-80	Littelfuse	Magnetic / Reed Switches 65-80AT CO 500V 30W 39.7MM REED Learn More about Littelfuse reed switches	Datasheet	399In Stock	¥3,011.4 ¥2,847 ¥2,830.3 Quote Quote	Min.: 1 Mult.: 1	Reed	SPDT	65 AT to 80 AT		Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches SWITCH REED MDCG-4-27-33 Littelfuse 1: ¥222.6 19,976In Stock	Mfr. Part # MDCG-4-27-33 Mouser Part # 934-MDCG-427-33	Littelfuse	Magnetic / Reed Switches SWITCH REED Learn More about Littelfuse Hamlin MDCG 4	Datasheet	19,976In Stock	¥222.6 ¥201 ¥184.4 ¥169.4 View ¥159.5 ¥152.8 ¥131.2 ¥125.6 ¥123.6	Min.: 1 Mult.: 1	Sub-Miniature	SPST	27 AT to 33 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDRR-DT-10-15-U MDRR-DT-10-15-U Littelfuse 1: ¥1,023.2 689In Stock	Mfr. Part # MDRR-DT-10-15-U Mouser Part # 934-MDRR-DT-10-15-U	Littelfuse	Magnetic / Reed Switches MDRR-DT-10-15-U Learn More about Littelfuse reed switches	Datasheet	689In Stock	¥1,023.2 ¥873.7 ¥808.9 ¥722.5 View ¥672.7 ¥639.5 ¥548.1	Min.: 1 Mult.: 1	Miniature	SPDT	10 AT to 15 AT	120 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches SWITCH REED MDSM-4R-12-18 Littelfuse 1: ¥237.5 26,227In Stock	Mfr. Part # MDSM-4R-12-18 Mouser Part # 934-MDSM-4R12-18	Littelfuse	Magnetic / Reed Switches SWITCH REED Learn More about Littelfuse reed switches	Datasheet	26,227In Stock	Cut Tape ¥237.5 ¥204.3 ¥189.4 ¥169.4 View Reel ¥138 ¥155.6 ¥147.8 ¥138 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Sub-Miniature	SPST	12 AT to 18 AT	140 VAC	Clear	PCB Mount	SMD/SMT	Reel, Cut Tape, MouseReel
Magnetic / Reed Switches MISM-7LB 10-15AT Before Mod MISM-7LB-10-15 Littelfuse 1: ¥294 620In Stock	Mfr. Part # MISM-7LB-10-15 Mouser Part # 576-MISM-7LB-10-15	Littelfuse	Magnetic / Reed Switches MISM-7LB 10-15AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	620In Stock	¥294 ¥247.5 ¥230.9 ¥206 View ¥191 ¥189.4	Min.: 1 Mult.: 1		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Bulk
Magnetic / Reed Switches MISM-7LB 15-20AT Before Mod MISM-7LB-15-20 Littelfuse 1: ¥325.6 946In Stock	Mfr. Part # MISM-7LB-15-20 Mouser Part # 576-MISM-7LB-15-20	Littelfuse	Magnetic / Reed Switches MISM-7LB 15-20AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	946In Stock	¥325.6 ¥275.7 ¥255.8 ¥227.6 View ¥210.9 ¥201 ¥169.4	Min.: 1 Mult.: 1		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Bulk
Magnetic / Reed Switches MISM-7LB 20-25AT Before Mod MISM-7LB-20-25 Littelfuse 1: ¥357.1 922In Stock	Mfr. Part # MISM-7LB-20-25 Mouser Part # 576-MISM-7LB-20-25	Littelfuse	Magnetic / Reed Switches MISM-7LB 20-25AT Before Mod Learn More about Littelfuse miti 7l reed switches	Datasheet	922In Stock	¥357.1 ¥300.6 ¥279 ¥249.2 View ¥230.9 ¥219.3 ¥189.4	Min.: 1 Mult.: 1		SPST-NO		120 VAC		SMD/SMT	SMD/SMT	Bulk
Magnetic / Reed Switches MITI-7L-15-20 Standard Sort MITI-7L-15-20 Littelfuse 1: ¥302.3 272In Stock	Mfr. Part # MITI-7L-15-20 Mouser Part # 576-MITI-7L-15-20	Littelfuse	Magnetic / Reed Switches MITI-7L-15-20 Standard Sort Learn More about Littelfuse miti 7l reed switches	Datasheet	272In Stock	¥302.3 ¥255.8 ¥237.5 ¥210.9 View ¥196 ¥186 ¥157.8 ¥148	Min.: 1 Mult.: 1		SPST-NO		120 VAC		PCB Mount	Axial	Bulk
Magnetic / Reed Switches MITI-7L-20-25 Standard Sort MITI-7L-20-25 Littelfuse 1: ¥330.5 845In Stock	Mfr. Part # MITI-7L-20-25 Mouser Part # 576-MITI-7L-20-25	Littelfuse	Magnetic / Reed Switches MITI-7L-20-25 Standard Sort Learn More about Littelfuse miti 7l reed switches	Datasheet	845In Stock	¥330.5 ¥279 ¥259.1 ¥230.9 View ¥214.3 ¥202.6 ¥174.4	Min.: 1 Mult.: 1		SPST-NO		120 VAC		PCB Mount	Axial	Bulk
Magnetic / Reed Switches 59050-3-S-00-0 SENS 59050-3-S-00-0 Littelfuse 1: ¥970 568In Stock	Mfr. Part # 59050-3-S-00-0 Mouser Part # 576-59050-3-S-00-0	Littelfuse	Magnetic / Reed Switches 59050-3-S-00-0 SENS Learn More about Littelfuse 59050 reed switches	Datasheet	568In Stock	¥970 ¥847.1 ¥800.6 ¥730.8 View ¥669.4 ¥662.7 ¥636.2 ¥593 Quote	Min.: 1 Mult.: 1				140 VAC		PCB Mount	Through Hole	Bulk
Magnetic / Reed Switches MITI-7 P.I. 15-20 MITI-7-15-20 Littelfuse 1: ¥358.8 1,977In Stock	Mfr. Part # MITI-7-15-20 Mouser Part # 576-MITI-7-15-20	Littelfuse	Magnetic / Reed Switches MITI-7 P.I. 15-20 Learn More about Littelfuse miti 7 reed switches	Datasheet	1,977In Stock	¥358.8 ¥302.3 ¥280.7 ¥250.8 View ¥232.5 ¥220.9 ¥212.6	Min.: 1 Mult.: 1	Reed	SPST	15 AT to 20 AT	120 VAC		PCB Mount	Axial	Bulk