Littelfuse, Inc. Datasheets for Reed Switches

Reed switches are magnetically actuated switches. They are typically manufactured with two ferromagnetic reeds (contact blades), which are sealed in a glass capsule. In the presence of a magnet, the blades (contacts) close. 
Reed Switches: Learn more

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Product Name Notes
A cylindrical reed sensor 38.1mm x 6.22mm (1.50" x 0.245") with a choice of normally open, normally closed or changeover contacts. Capable of switching up to 265Vac/300Vdc at 10VA. Available...
A flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with a choice of normally open, normally open high-voltage, normally closed or changeover contacts. Its...
A flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with an integral two-pin connector. Choice of normally open, normally open high-voltage or normally closed...
A flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with integral terminal pins. Choice of normally open, normally open high-voltage or normally closed contacts.
A high temperature flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with a choice of normally open, normally open high-voltage, normally closed or changeover...
A magnetically operated level sensor to be used with a float magnet (not provided). Provided with normally open contacts. Capable of switching up to 200Vdc at 10W. Ideally suited for...
A magnetically operated push button sensor with simple push-fit clip mounting. It has a large integral dome and its normally open contacts actuate when the dome is depressed. Switches up...
A magnetically operated push button sensor with simple push-fit clip mounting. Normally open contacts actuate when the plunger is depressed. Switches up to 200Vdc at 10W. It has an integral...
A miniature flange mount reed sensor occupying only 3.22cm2 (0.500in2) board space with a choice of normally open, normally open high-voltage, normally closed or changeover contacts. Its...
A miniature overmolded reed sensor 16.00mm x 2.40mm x 2.40mm (0.630" x 0.094" x 0.094") with straight or gull-wing leads. Provided with normally open contacts. Capable of switching up to...
A miniature overmolded reed sensor 16.00mm x 2.41mm x 2.41mm (0.630" x 0.095" x 0.095") with straight, staple-form, or gull-wing leads. Provided with normally open contacts. Capable of switching up...
A miniature, cylindrical reed sensor 15.24mm x 5.10mm (0.600" x 0.201") with a normally open contact. Capable of switching up to 170Vdc at 10W. Available with a range of sensitivity,...
A miniature, cylindrical reed sensor with a robust aluminum body 15.24mm x 5.10mm (0.600" x 0.201") with a normally open contact. Capable of switching up to 170Vdc at 10W. Available...
A miniature, PCB mount reed switch 17.78mm x 4.32mm x 3.30mm (0.700" x 0.170" x 0.130") with a normally open contact. Contains molded stand-offs to allow board washing. Available with...
A reed sensor with integral actuator magnet. Actuation occurs when a suitable vane passes through the slot between the magnet and reed switch. Choice of normally open, normally closed, high-voltage...
A robust reed sensor with integral actuator magnet. Actuation occurs when a suitable vane passes through the slot between the magnet and reed switch. Choice of normally closed, high-voltage normally...
A robust stainless steel barrel sensor with an M12 x 1mm pitch thread, 46mm (1.810") long with a choice of normally open, normally open high-voltage, normally closed or changeover contacts.
A small lever arm reed sensor in a clip mounting frame with low operating force and an integral 2-pin connector. Provided with normally closed contacts. Capable of switching up to...
A small sensor with integral float actuator and an M8 x 1.25mm pitch thread with a choice of normally open, normally open high-voltage, normally closed or change-over contacts. Capable of...
A small, cylindrical reed sensor 25.4mm (L) x 5.80mm (Dia.) (1.00" x 0.228") with a choice of normally open, normally closed or change-over contacts. Capable of switching up to 300Vdc...
A small, cylindrical reed sensor 25.4mm x 6.22mm (1.00" x 0.245") with a choice of normally open, normally closed or changeover contacts. Capable of switching up to 265Vac/300Vdc at 10VA.
A small, PCB mount reed switch 22.86mm x 6.73mm x 4.57mm (0.900" x 0.265" x 0.180") with a choice of normally open, normally closed or changeover contacts. Contains molded stand-offs...
A small, plastic barrel sensor with a 5/16" x 24 thread, 38.1mm (1.500") long with a choice of normally open, normally open high-voltage, normally closed or changeover contacts. Capable of...
A small, plastic barrel sensor with an M8 x 1.25mm pitch thread, 38.1mm (1.500") long with a choice of normally open, normally open high-voltage, normally closed or changeover contacts. Capable...
A small, stainless steel barrel sensor with an M8 x 1.25mm pitch thread, 36mm (1.420") long with a choice of normally open, normally open high-voltage, normally closed or changeover contacts.
A standard, normally open switch with a 50.80mm long x 5.25mm diameter (2.000" x .207") glass envelope, capable of high voltage and power switching up to 400Vdc at 100W. It...
A sub-miniature overmolded reed sensor 11.43mm x 2.29mm x 2.29mm (0.450" x 0.090" x 0.090") with either straight or gull-wing leads. Provided with normally open contacts. Capable of switching up...
A sub-miniature, cylindrical reed sensor 9.0mm x 3.0mm (0.354" x 0.118") with a normally open contact. Capable of switching up to 170Vdc at 10W. Available with a range of sensitivity,...
The 59040 Press-Fit Firecracker Reed Sensor is a small, cylindrical reed sensor 31.0mm (1.22”) long that presses into a 9.5mm (.375”) diameter hole with a choice of normally open, normally...

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