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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

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 changeover switch with a 14.73mm long x 2.54mm diameter (0.580" x 0.100") glass envelope. Capable of switching 175Vdc at 5W. Available sensitivity range of 15-30 AT. Insulation resistance...
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 case design enables...
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, normally open switch with a 15.24mm long x 2.54mm diameter (0.600" x 0.100") glass envelope. Capable of switching 200Vdc at 20W with close-differential characteristics. Available sensitivity range of...
A miniature, normally open switch with a 19.69mm long x 2.84mm diameter (0.770" x .112") glass envelope. Capable of switching up to 200Vdc at 50W. It is rated to carry...
A miniature, normally open switch with a 20.32mm long x 2.84mm diameter (0.800" x 0.112") glass envelope. Capable of high voltage and power switching of 265Vac at 50VA. It is...
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 miniature, surface mount, changeover switch with a 14.73mm long x 2.54mm diameter (0.580" x 0.100") glass envelope. Capable of switching 175Vdc at 5W. Available sensitivity range of 15-30 AT.
A miniature, surface mount, normally open switch with a 15.24mm long x 2.54mm diameter (0.600" x 0.100") glass envelope. Capable of switching 200Vdc at 20W with close-differential characteristics. Available sensitivity...
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, 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 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, close-differential, normally open switch with a 14.00mm long x 2.28mm diameter (0.551" x 0.090") glass envelope capable of switching 200Vdc at 10W. Available sensitivity range of 10-30 AT.
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,...
A sub-miniature, normally open switch with a 10.16mm long x 1.80mm diameter (0.400" x 0.071") glass envelope. Capable of switching 200Vdc at 10W. Available sensitivity range of 10-25 AT. High...
A sub-miniature, normally open switch with a 12.70mm long x 1.80mm diameter (0.500" x 0.071") glass envelope. Capable of switching 200Vdc at 10W. Available sensitivity range of 10-25 AT. High...
A sub-miniature, normally open switch with a 14.00mm long x 2.28mm diameter (0.551" x 0.090") glass envelope and longer than standard, flexible, easily formed leads, capable of switching 200Vdc at...
A sub-miniature, normally open switch with a 15.24mm long x 2.28mm diameter (0.600" x 0.090") glass envelope. Capable of high voltage switching of 265Vac at up to 20VA. Available sensitivity...
A sub-miniature, normally open switch with a 15.24mm long x 2.28mm diameter (0.600" x 0.090") glass envelope. Capable of switching 200Vdc at 10W. Available sensitivity range of 12-38 AT. High...
A sub-miniature, normally open switch with a 15.24mm long x 2.54mm diameter (0.600" x 0.100") glass envelope. Capable of switching 200Vdc at 20W with close-differential characteristics. Available sensitivity range of...
A sub-miniature, surface mount, close-differential, normally open switch with a 14.00mm long x 2.28mm diameter (0.551" x 0.090") glass envelope capable of switching 200Vdc at 10W. Available sensitivity range of...
A sub-miniature, surface mount, normally open switch with a 10.16mm long x 1.80mm diameter (0.400" x 0.071") glass envelope. Capable of switching 200Vdc at 10W. Available sensitivity range of 10-25...
A sub-miniature, surface mount, normally open switch with a 15.24mm long x 2.28mm diameter (0.600" x 0.090") glass envelope. Capable of switching 200Vdc at 10W. Available sensitivity range of 12-38...
A sub-miniature, surface mount, normally open switch with a 15.24mm long x 2.54mm diameter (0.600" x 0.100") glass envelope. Capable of switching 200Vdc at 20W with close-differential characteristics. Available sensitivity...
An ultra-miniature, normally open switch with a 7.00mm long x 1.80mm diameter (0.276" x 0.071") glass envelope, capable of switching 170Vdc at 10W. Available sensitivity range of 6-10 AT. High...
An ultra-miniature, normally open switch with a 7.00mm long x 1.80mm diameter (0.276" x 0.071") glass envelope, capable of switching 170Vdc at 10W. Available sensitivity range of 6-20 AT. High...
An ultra-miniature, surface mount, normally open switch with a 7.00mm long x 1.80mm diameter (0.276" x 0.071") glass envelope, capable of switching 170Vdc at 10W. Available sensitivity range of 6-10...
An ultra-miniature, surface mount, normally open switch with a 7.00mm long x 1.80mm diameter (0.276" x 0.071") glass envelope, capable of switching 170Vdc at 10W. Available sensitivity range of 6-20...
Description: The 59143 is a miniature flange mounting reed sensor 23.00 mm x 14.00 mm x 6.00 mm (0.906” x 0.551” x 0.236”) with normally open contacts.The case design enables...
Description: The 59155 is a subminiature flange mounting reed sensor 12.70mm x 9.00mm x3.00mm ( 0.500’’ x 0.354’’ x 0.118’’) with normally open contacts. The case design enables mounting with...
Description: The 59156 is a subminiature flange mounting reed sensor 12.70mm x 9.00mm x 3.00mm (0.500’’ x 0.354’’ x 0.118’’) with normally open contacts. The case design enables mounting with...
Description: The MATE-12B Reed Switch is a sub-miniature, normally open switch with a 12.70 mm long x 1.80 mm diameter (0.500" x 0.071") glass envelope, capable of switching 200 Vdc...
Littelfuse offers a wide range of magnetic actuators that are packaged in shapes similar to the relative mating sensors. We also offer a limited family of bare magnets with various...
The 54100 is a miniature flange-mounting omnipolar TMR sensor measuring 25.5mm x 11.00mm x 3.00mm. The case design allows both screw and adhesive mounting of the sensor. This is a...
The 54140 is a miniature flange-mounting Omnipolar TMR sensor measuring 23.0mm x 14.0mm x 5.9mm. The case design allows either screw or adhesive mounting of the sensor. This is a...
The 59001 Reed Sensor is a miniature D shaped cylindrical reed sensor, 13.5mm x 5.0 mm x 4.6 mm (0.591" x 0.197" x 0.181") with a normally open contact. It...
The 59022 Reed Sensor is a small cylindrical reed sensor, 25.4 mm (L) x 5.80 mm (Dia.) (1.00” x 0.228”), with a choice of normally open, normally closed or change-over...
The 59025 Reed Sensor is a small cylindrical reed sensor, 25.4 mm (L) x 6.22 mm (Dia.) (1.00” x 0.245”), with a choice of normally open, normally closed or change-over...
The 59040 Press-Fit Reed Sensor is a small, cylindrical reed sensor 31.0 mm (1.22”) long that presses into a 9.5 mm (.375”) diameter hole with a choice of normally open,...
The 59050 is a miniature PCB-mountable reed switch, 22.86mm x 4.57mm x 4.32mm (0.900” x .180” x .170”) with a choice of normally open, normally open high voltage and change...
The 59177 is an ultra-miniature overmolded reed switch 9.0mm x 2.5mm x 2.4mm (0.354”x 0.098‘’x 0.094‘’) body with smallest type footprint. It is capable of switching 170Vdc or 0.25A at...
The DRS-50 Reed Switch is a miniature, normally open switch with a 50.80mm long x 5.25mm diameter (2.000” x 0.207”) glass envelope, capable of high voltage and power switching up...
The DRS-DTH Reed Switch is a large changeover switch with a 39.70mm long x 5.33mm diameter (1.562" x 0.210") glass envelope, capable of high voltage and power switching up to...
The MITI-7L ultra-miniature reed switch is a normally open switch with a 7 mm x 1.8 mm (0.276” x 0.071”) glass envelope, which can switch up to 10 W. It...
The MRPR-20 Reed Switch is a miniature, normally open switch with a 20.32mm long x 2.84mm diameter (0.800” x 0.112”) glass envelope, capable of high voltage and power switching of...
The MVSR-20 Reed Switch is a miniature, normally open switch with a 19.69mm long x 2.66mm diameter (0.775" x 0.105") glass envelope, capable of high voltage switching up to 1kVdcat...
The Seat Occupancy sensor is a magnetically operated push button sensor with a simple push-fit clip mounting configuration, allowing the passenger safety system to determine the presence of an object...
The sensor detects whether the seat belt buckle is latched or unlatched, allowing the passenger safety system to determine the optimum airbag deployment. It is also used as an input...