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Why Standex Electronics Reed Switches

Reliability: Improving performance, reducing wear, customizing features

It’s no secret: available in hundreds of sizes and shapes, crucial in dozens of industries, and equipped to survive billions of operations in even the most extreme environments, the Reed Switch can outmatch and outlast many of its competitors. It continues to grow in popularity as the core component in relays and sensors for switching, detecting, and counting applications across the globe. Why wouldn’t you want Standex Electronics’s advanced reed switch technology for your own products?

As a technology, the Reed Switch is unique. At its core is a glass-to-metal hermetic seal, which encloses the two ferromagnetic reeds in a glass envelope and protects them from the outside environment. As a result of this simple construction, the Reed Switch can operate in even the harshest conditions. In addition, it requires no direct contact when part of a reed sensor.

Standex Electronics rigorously tests each Reed Switch to ensure the quality of our manufacturing processes and resulting products. In addition, we can also customize any switch to your own design, including many value-add services such as PCB assembly, epoxy sealing, conformal coating, and wire termination.

As new, improved technologies create the demand for more sensing applications, it’s time for a switching solution that makes sense—for product longevity, for power efficiency, and for your unique needs!

 

Reed Switch Group 1Reed Switch Group 2Reed Switch Group 3

Why Standex Electronics Reed Switches

  • Simple structure
  • No wearing parts
  • Reliable switching for billions of operations
  • Ability to switch up to 10,000 Volts
  • Ability to switch or carry as low as 10 nano- Volts without signal loss
  • Ability to withstand shocks up to 200 Gs
  • Contact resistance (on resistance) typical 50-100 milliOhms (mΩ)
  • Ability to switch or carry as low as 1 femto- Amp without signal loss
  • Ability to withstand vibration environments of 50 Hz to 2000 Hz at up to 30 Gs
  • Extensive parametric testing
  • Hermetically sealed to perform in extreme and harsh environments
  • Draws no power in the normally open state
  • Ability to switch currents up to 5 Amps
  • Ability to switch or carry up to 7 GigaHz with minimal signal loss
  • Isolation across the contacts up to 1 x 1015 Ω
  • Optional latching feature
  • Can operate within 100 µs
  • Standex Electronics offers pull-in and drop-out measurement in milliTesla
  • Ability to operate over extreme temperature ranges

Parameters to Consider When Choosing a Reed Switch

  • Pull-in (the points where the contacts close)
  • Drop-out (the points where the contacts open)
  • Hysteresis
  • Contact resistance
  • Dynamic contact resistance
  • Switching voltage
  • Switching current
  • Carry current
  • Stray capacitance
  • Common mode voltage
  • Switching wattage
  • Breakdown voltage
  • Insulation resistance
  • Dielectric absorption

Where reed switches reside

  • Reed sensors
  • Reed relays
  • Proximity sensors
  • Fluid Sensors – Flow, Liquid Level and Conductive

Component Corner (Expert Insights)
Paul Linsley, Product Manager (Retired)
Standex Electronics Engineer

Compared to mechanical switches, the reed switch offers our customers many advantages. It requires no switching load and can sense effectively from up to 44 mm away. In addition, with a reed switch, you can adjust the hysteresis to fit your specific application. Working with mechanical switches, you’re limited to differetial travel. With no wearing parts, the reed switch can also outlast the mechanical competition, offering an unusually long life in the billions of operations.

Industry applications

Automotive, Aviation, Military, Medical, Test and Measurement, Telecommunications, Electronics, Industrial, Power, Appliances, Transportation, Alternative/Solar Energy, Lighting/LED, and others

Find out more about our ability to propel your business with our products by visiting standexelectronics.com or by giving us a contact today! One of our brilliant engineers or sales leaders will listen to you intently.

 

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