Improved performance, increase in equipment specification, and high voltage isolation protection margin are just some of the benefits of the new Series 104 4kV relays.

Pickering Electronics has increased the stand-off voltage values for its prevalent small-size Series 104 high voltage reed relays for up to 4kV. For the newly introduced versions, this means a 1000VDC stand-off voltage improvement on the previous Series 104 product offering.

Commented Kevin Mallett, Technical Specialist at Pickering Electronics: “The higher stand-off voltage improves the performance of the relay and allows for an increase in the equipment specification.” “It also means an increased high voltage protection margin for extra safety and security,” he added.


Pickering Electronics will present the latest range of high coil resistance reed relays on booth K2983 at Semicon Taiwan, 28th to 30th December 2021 in Taipei.

Semicon Taiwan 2021 will be held in TaiNEX1 Taipei between the 28th to 30th December 2021, but what products should you be looking out for? On booth, K2983 Pickering Electronics will be showcasing their newly released Series 100HV and Series 100HC reed relays.

The Series 100HV launched in September this year and since then has sparked a great deal of interest. These small Single-in-Line (SIP/SIL) reed relays are rated up to 3kV stand-off voltage and with more than double the coil resistance of previous devices (up to an impressive 6800 Ohms).


Reed Relay Switching Methods Explained

This video provides a brief explanation of what hot and cold switching is when using reed relays and the effects different switching methods can have on relay life expectancy.

One simple method to greatly reduce the damaging effects of hot switching, and greatly increase the expected number of operations, is to cold switch the signal. Cold switching can increase a reed relays life expectancy to more than ten billion operations.

The video also goes into detail about capacitive inrush, as this is another common reason for early relay failures, which can easily be avoided/resolved.

If you found this video helpful / interesting please take a look at our other useful videos which can be found here.

Looking for additional information on reed relay technology? Pickering has published a concise technical guide to reed relays which covers:

  • A short explanation on what magnetic interaction is and how to steer clear of it
  • How temperature can affect reed relays
  • What reed switch contact damage is and how to avoid it
  • The different ways to switch reed relays, including ‘hot’ and ‘cold’ switching
  • Why a diode should be placed across a relay coil
  • The benefits of a SoftCenter™ construction and formerless coil winding

To view or download your free copy click here.

Reed Relay Selection Made Simple

Our Reed Relay Selector Tool will help you narrow down our large offering by filtering by coil voltage, switching current, contact configuration, and many more specifications. Once you narrow your selections down you can view the datasheet for more information, purchase in-stock items, or request a quote to find out lead times of made to order relays.

Prospective visitors were disappointed to learn that Electronica South China has been cancelled for the second time this year, the exhibition that is held in Shenzhen annually was originally planned to go ahead in October, then postponed to December 2021 however, the organizers announced last week that the exhibition will now be postponed until October 2022 due to the ongoing Coronavirus pandemic.

Pickering Electronics, the reed relay company which has pioneered miniaturization and high performance for over 50 years, had planned to showcase their impressive range of high voltage reed relays, including the newly released Series 100HV.




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