Standard Size Reed Sensor, R2
R2-S Gull-wing SMD Formed Reed Sensor 
R2-S Gull-wing SMD Formed Reed Sensor Pad Layout 
R2-F Low Profile SMD Formed Reed Sensor 
R2E-F Low Profile SMD Formed Reed Sensor Pad Layout 
R2 Reed Sensor Carrier Tape
Features
10W Contact Rating. Normally Open contact. Three sensitivity bands. Two Lead Formations. Packed in Tapes for automatic assembly.
Benefits
Omni-polar. Does not require power for operation. Sputtered Ruthenium Contact. RoHS Compliant. Not ESD Sensitive. Packed in Tape and Reel.
📝Description
The standard size reed sensor, R2, is specifically engineered to handle moderate currents and feature an SMD pitch slightly wider than our miniature SMD reed sensors. Their design includes molded, pre-flattened leads to prevent shock during SMD assembly. The sensors offer various activating distances depending on the magnet and AT band utilized.
Before packaging, each sensor undergoes rigorous 100% testing for operate and release AT, Contact Resistance, and Variable Contact Resistance. Known for their omnipolar nature, these sensors can be triggered by either a north or south pole magnet, or both simultaneously. Optimal configuration of the AT band, magnet strength, and operating axis ensures precise control over the number of operate and release cycles, typically limited to one.
All dimensional measurements are provided in millimeters (mm), ensuring compatibility and ease of integration into diverse electronic applications. These sensors are ideal for applications where reliable, low-current switching is required in a compact SMD package. Whether used in consumer electronics, automotive systems, or industrial controls, the standard size R2 standard reed sensors offer dependable performance and longevity.
With their robust design and comprehensive testing procedures, this R2 standard size reed sensor meet stringent quality standards, making them a preferred choice for engineers seeking reliable and versatile reed switch solutions. Their ability to operate with flexibility in magnet polarity and precise control over switching cycles ensures consistent performance in demanding environments.
Magnets for Actuating Reed Switches and Reed Sensors
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Drawing of Cylindrical MagnetsDrawing of Rectangular Bar Magnets starFeaturesNdFeB High Energy. Nickel coated. Energized
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Sep 3, 2024 |
Actuation Distances for R2 Reed Sensors
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Operate and release distances for the R2 ultra-miniature reed sensor in the three lead formations and two standard AT bands when actuated
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Sep 3, 2024 |
⚡️Electrical
| Contact Form | A | |
| Contact Rating (max) | W/VA | 10.0 |
| Switching Current (max) | A | 0.5 |
| Carry Current (max) | A | 1.50 |
| DC Switching Voltage (max) | VDC | 180 |
| Breakdown Voltage (min) | VDC | 200 |
| Contact Resistance (max) | mΩ | 150 |
| Insulation Resistance (min) | Ω | 109 |
| Capacitance (typ) | pF | 0.2 |
📊Miscellaneous
| Operate Time (max) | ms | 0.35 |
| Bounce Time (max) | ms | 0.30 |
| Release Time (max) | ms | 0.15 |
| Resonance Frequency (typ) | Hz | >2000 |
| Operating Frequency (max) | Hz | 500 |
| Operating Temperature Range | °C | -40 to +140 |
| Shock Resistance (½Sin wave for 11ms) | G | 30 |
| Vibration Resistance (10-2000 Hz) | G | 20 |
⚙️Ordering Code
R2-(Formation Code)-(Operate Band Code)
| Formation Code | Lead Type |
| S | Gull-wing SMD |
| F | Low Profile SMD |
| Operate Band Code | ||
| 1 | AT | 10-15 |
| 2 | AT | 15-20 |
| 3 | AT | 20-25 |
Examples: R2-S-3 denotes R2 Reed Sensor with Gull wing SMD formed leads, in 20-25 Operate Band (AT). R2-1-F denotes R2 Reed Sensor with Low profile SMD formed Leads, in 10-15 Operate Band (AT).
Other Special Configurations: Lower Static Contact Resistance, Dynamic Contact Resistance Limit, Higher Insulation Resistance, Special Release Limits, Gold plated leads.
🛠️Usage Notes
Here are some of the recommended usage notes to ensure maximum durability of this product. The complete usage notes are available here.
Ampere Turn Selection for your Application
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Selecting the appropriate Ampere Turn (AT) or magnetic sensitivity for a Reed Switch, Reed Sensor, or Magnet Sensor is crucial in any
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Jul 24, 2024 |
Handling of Reed Switches
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Handling of Reed Switches Reed Switches, Reed Sensors, and Magnet Sensors are delicate devices prone to developing micro cracks in
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Jun 17, 2024 |
Reflow Soldering of Reed Switches
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Reflow Soldering is a sophisticated process used in electronics manufacturing to solder components onto printed circuit boards (PCBs). It
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Jun 17, 2024 |
Soldering of Reed Switches
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Soldering Reed Switches and Reed Sensors requires meticulous handling to safeguard these delicate components against inadvertent damage.
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Jun 17, 2024 |
Ferro-magnetic Parts
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Reed Switches utilize a nickel-iron alloy, sputter coated with additional Ruthenium to render it ferromagnetic while maintaining low
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Jun 17, 2024 |
Protection Circuits for Reed Switches
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It is assumed that the ideal reed switch load is a Resistive Load, but it is almost impossible to reduce any load to purely resistive.
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Jun 17, 2024 |
🧰Applications
Although we can never restrict the use of a reed sensor to a particular field, the following is a list of some of the applications that the R2 standard Reed size Sensor is known to perform well.
Commercial Drone Package Delivery Sensing Using Reed Sensors
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In commercial drone delivery systems, such as those used by popular home delivery companies, the drone's package release mechanism
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Nov 17, 2024 |
Ballast Tank Level Sensing on Commercial Submarines
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In commercial submarines, ballast tanks help in controlling buoyancy to allow the vessel to submerge or surface. These tanks take in
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Oct 25, 2024 |
Inventory Management Using Reed Switches
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In traditional supermarket environments, manual inventory management poses significant challenges that can lead to inefficiencies and
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Sep 3, 2024 |
Hand Brakes Automated Using Reed Sensors
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An automatic hand brake represents a significant advancement in vehicle safety and convenience, integrating reed sensors to enhance
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Sep 3, 2024 |
Layering during Coil Winding Using Reed Sensors
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A coil winder is an essential machine in the manufacturing of bobbins, inductors, transformers, motors, and other electromagnetic
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Sep 3, 2024 |
Float Switches in Portable Air Conditioners
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Air Conditioners remove heat and moisture from an occupied space thereby improving the comfort of the occupants. The air conditioning of
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Sep 3, 2024 |
Keycard Readers Use Reed Sensors to Authorise Entry
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In hotels, ensuring the security of guest rooms while allowing convenient access is paramount. Keycard readers, pre-programmed by hotel
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Sep 3, 2024 |
Sun Visor Vanity mirrors use Reed Sensors
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Automobiles are equipped with sun visors designed to shield drivers and passengers from the sun's glare. These visors often feature a
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Sep 3, 2024 |
Reed switches and Reed Sensors in Barcode Scanners
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Barcode scanners in supermarkets can be clicked on to a docking system that is integrated with the check-out conveyor belt. This helps in
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Sep 3, 2024 |
Exhaust Emissions Sensing Using Reed Switches
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Pollution, characterised by greenhouse gases and smog, significantly contributes to global warming, underscoring the critical importance
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Sep 3, 2024 |
Vane Sensing Applications for Reed Switches
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Reed Switches are used in Vane sensing applications and offer a reliable alternative solution when parts are ferro-magnetic in nature. In
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Sep 3, 2024 |
Treadmills Use Magnet Sensors for Belt Speed Sensing
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Magnet Sensors find a few applications in treadmills for speed and gradient sensing. The speed of the belt is determined by positioning a
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Sep 3, 2024 |
Fishing Reels Sense “Bites” Using Reed Sensors
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Electric Fishing reels represent a technological leap forward from traditional fishing gear, offering enhanced functionality and
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Sep 3, 2024 |
Reed sensors for Tamper-proofing Electricity Meters
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Electric companies rely on electricity meters calibrated to measure one kilowatt-hour and determine maximum demand, representing the peak
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Sep 3, 2024 |
Fluid Level sensing on Ships and Yachts
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In maritime vessels like ships and yachts, meticulous fluid level sensing of fuel, sewage, and portable water is paramount for smooth
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Sep 3, 2024 |
Pressure Gauges are Digitised with Reed Switches
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Pressures gauges serve as critical tools for measuring and displaying fluid pressure, indispensable across various industrial and
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Sep 3, 2024 |
Cruise Control Systems use Reed Switches
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Cruise Control is an automated feature designed to regulate the speed of a motor vehicle, alleviating the need for the driver to maintain
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Sep 3, 2024 |
Central Locking with Remote Keys and Reed Switches
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Central locking systems provide convenient control over the locking and unlocking of all doors in an automobile, offering enhanced
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Sep 3, 2024 |
Crash Sensors use Reed Switches for Deploying Airbags
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Statistics say almost 80% of automobiles use reed switch based crash sensors or safing sensors for deploying airbags. Luxury cars trigger
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Sep 3, 2024 |
Dish Washer spray arm jam detection with Reed Sensors
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The spray arms of a dish washer move axially in order to clean dishes and cutery by utilizing high pressure hot water and detergent. This
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Sep 3, 2024 |
Dish Washer and Washing Machine Fluid Level Sensing
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Dish Washer models are equipped with smaller reservoirs for fluids such as detergents which are essential for their continuous operation.
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Sep 3, 2024 |
Commercial Coffee Machines Use Reed Sensors
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Commercial coffee machines and tea vending machines are built with durability in mind as the number of cups served per day could exceed
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Sep 3, 2024 |
Notebook Computer Sleep Mode using Reed Sensors
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Notebook computers and Netbooks are part of personal life. Screen time on these devices is anywhere between 2 and 6 hours and this too
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Sep 3, 2024 |
Magnet sensors for Tension Monitoring in Coil Winders
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Coil Winder Coil Winders help wind bobbins with Copper wire and these bobbins are used in various applications such as in reed relay
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Sep 3, 2024 |