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Life Test Data

Life Test Data Requirements

The life test data of a reed switch can vary widely depending on the exact switching scenario. Over the years, many reed switch improvements have increased its reliability. In fact, reed switches will switch no load or signal loads for billion of reliable operations. In most cases, contact resistance changes only slightly from 5-10 mOhms. The resulting longevity of the reed switch is due to its hermetic seal and no wearing parts.

We offer several different types of switches ranging from 7 mm long to 50 mm long, capable of switching nanoVolts up to 10,000 Volts; capable of switching femptoAmps up to 5 Amps, and capable of switching DC on up to 6 GigaHz. Generally speaking, we offer Reed Switches in Sensor or Relay applications having Mercury contacts, Tungsten contacts, Rhodium contacts, Ruthenium contacts, etc.; all of which will suit given applications.

Optimizing Life Test Data

When trying to optimize your life requirement be sure to consult our precautions selection. Several areas of concern are discussed both mechanically and electronically. The load section in particular will give you important insight when switching any loads with inductance, capacitive, or inrush current loads.

The following pages are general life load curves that represent the expected life for a given voltage and current. Most importantly, if you have a load different from those shown, do not assume a given life. It is always best to test your circuit under actual switching conditions for the life you require. These life load graphs represent switching under purely DC load conditions. In the real world, in most cases, this does not exist. So please be sure to test your circuit under the actual load for your required life.

If you are not sure about a given application, we have application engineers at all of the Standex Electronics facilities around the world ready to assist you.

Downloads:

Reed Switch Life Test Data

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