Magnetic / Reed Switches – Mouser Puerto Rico

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MDCG-4 Reed Switches

Littelfuse MDCG-4 Reed Switches are sub-miniature, normally open switches measuring 15.24mm x 2.28mm (0.600" x 0.090"). These Littelfuse devices feature a glass envelope and are capable of switching 200V_DC at 10W. Other highlights include a sensitivity range of 7-43AT, high insulation resistance of 10¹⁰Ω, and low contact resistance of less than 100mΩ. Suitable applications include reed relays, security, metering, and limit sensing.

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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 Sub-Mini NO Switch MDCG-4-7-13 Littelfuse 1: $1.23 A tariff of 10% may be applied if shipping to the United States. 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	$1.23 $1.05 $0.972 $0.866 View $0.803 $0.759 $0.68 $0.665 $0.659 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	7 AT to 13 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches SWITCH REED MDCG-4-27-33 Littelfuse 1: $1.34 A tariff of 10% may be applied if shipping to the United States. 21,976In 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	21,976In Stock	$1.34 $1.21 $1.11 $1.02 View $0.96 $0.92 $0.79 $0.756 $0.744 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	27 AT to 33 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches Sub-Mini NO Switch MDCG-4-37-43 Littelfuse 1: $1.17 A tariff of 10% may be applied if shipping to the United States. 989In Stock	Mfr. Part # MDCG-4-37-43 Mouser Part # 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 $0.703 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	37 AT to 43 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 12-18 MDCG-4-12-18 Littelfuse 1: $1.10 A tariff of 10% may be applied if shipping to the United States. 1,333In Stock	Mfr. Part # MDCG-4-12-18 Mouser Part # 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 $0.803 $0.759 $0.758 $0.703 A tariff of 10% may be applied if shipping to the United States.	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 A tariff of 10% may be applied if shipping to the United States. 1,152In Stock	Mfr. Part # MDCG-4-12-23 Mouser Part # 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 $0.803 $0.797 $0.751 $0.703 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	12 AT to 23 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches SWITCH REED MDCG-4-12-33 Littelfuse 1: $1.23 A tariff of 10% may be applied if shipping to the United States. 860In Stock	Mfr. Part # MDCG-4-12-33 Mouser Part # 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 $0.703 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	12 AT to 33 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 12-38 MDCG-4-12-38 Littelfuse 1: $1.23 A tariff of 10% may be applied if shipping to the United States. 69In Stock	Mfr. Part # MDCG-4-12-38 Mouser Part # 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 $0.803 View $0.759 $0.703 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	12 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 17-23 MDCG-4-17-23 Littelfuse 1: $1.15 A tariff of 10% may be applied if shipping to the United States. 1,138In Stock	Mfr. Part # MDCG-4-17-23 Mouser Part # 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 $0.774 $0.758 $0.703 A tariff of 10% may be applied if shipping to the United States.	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 A tariff of 10% may be applied if shipping to the United States. 981In Stock	Mfr. Part # MDCG-4-17-28 Mouser Part # 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 A tariff of 10% may be applied if shipping to the United States.	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 A tariff of 10% may be applied if shipping to the United States. 1,190In Stock 2,000Expected 10/26/2026	Mfr. Part # MDCG-4-22-28 Mouser Part # 934-MDCG-422-28	Littelfuse	Magnetic / Reed Switches MDCG-4 22-28 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	1,190In Stock 2,000Expected 10/26/2026	$1.23 $1.05 $0.972 $0.866 View $0.803 $0.759 $0.758 $0.703 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	22 AT to 28 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 22-38 MDCG-4-22-38 Littelfuse 1: $1.36 A tariff of 10% may be applied if shipping to the United States. 302In Stock	Mfr. Part # MDCG-4-22-38 Mouser Part # 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 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	22 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches SWITCH REED MDCG-4-32-38 Littelfuse 1: $1.23 A tariff of 10% may be applied if shipping to the United States. 920In Stock	Mfr. Part # MDCG-4-32-38 Mouser Part # 934-MDCG-432-38	Littelfuse	Magnetic / Reed Switches SWITCH REED Learn More about Littelfuse Hamlin MDCG 4	Datasheet	920In Stock	$1.23 $1.05 $0.972 $0.866 View $0.803 $0.759 $0.718 $0.703 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	32 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 12-28 MDCG-4-12-28 Littelfuse 1: $1.34 A tariff of 10% may be applied if shipping to the United States. Non-Stocked	Mfr. Part # MDCG-4-12-28 Mouser Part # 934-MDCG-412-28	Littelfuse	Magnetic / Reed Switches MDCG-4 12-28 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	Non-Stocked	$1.34 $1.21 $1.11 $1.02 View $0.96 $0.92 $0.879 $0.757 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	12 AT to 28 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 17-38 MDCG-4-17-38 Littelfuse 1: $1.34 A tariff of 8% may be applied if shipping to the United States. Non-Stocked Lead-Time 17 Weeks	Mfr. Part # MDCG-4-17-38 Mouser Part # 934-MDCG-417-38	Littelfuse	Magnetic / Reed Switches MDCG-4 17-38 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	Non-Stocked Lead-Time 17 Weeks	$1.34 $1.21 $1.11 $1.02 View $0.96 $0.92 $0.798 $0.794 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	17 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 22-33 MDCG-4-22-33 Littelfuse 1: $1.34 A tariff of 10% may be applied if shipping to the United States. Non-Stocked Lead-Time 17 Weeks	Mfr. Part # MDCG-4-22-33 Mouser Part # 934-MDCG-422-33	Littelfuse	Magnetic / Reed Switches MDCG-4 22-33 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	Non-Stocked Lead-Time 17 Weeks	$1.34 $1.21 $1.11 $1.02 View $0.96 $0.92 $0.798 $0.794 A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Sub-Miniature	SPST	22 AT to 33 AT	140 VAC	Clear	PCB Mount	Axial	Bulk
Magnetic / Reed Switches MDCG-4 27-38 MDCG-4-27-38 Littelfuse 1: $1.34 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # MDCG-4-27-38 Mouser Part # 934-MDCG-427-38	Littelfuse	Magnetic / Reed Switches MDCG-4 27-38 Learn More about Littelfuse Hamlin MDCG 4	Datasheet	Non-Stocked Lead-Time 16 Weeks	$1.34 $1.21 $1.11 $1.02 View $0.96 $0.92 $0.798 $0.794	Min.: 1 Mult.: 1	Sub-Miniature	SPST	27 AT to 38 AT	140 VAC	Clear	PCB Mount	Axial	Bulk

MDCG-4 Reed Switches

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