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High-power Series 144 reed relays from Pickering switch up to 80W while stacking on compact 0.25-inch pitch
Pickering’s smallest miniature SIP reed relay with a power rating up to 80 Watts offers alternative to mercury wetted reed relays or electromechanical relays

Leading manufacturer of high performance reed relays, Pickering Electronics has introduced its latest high-power reed relay, Series 144, featuring an impressive 80 Watts power rating, while stacking on a compact 0.25-inch pitch. The SIP (single-in-line-package) reed relay offers a switching current of up to 2 Amps, delivering up to 60 Watts, or 1 Amp for up to 80 Watts, with a continuous carry current of up to 3 Amps. Additionally, it boasts high-voltage capability, with a switching voltage of 1000VDC up to 10W and up to 3kV stand-off.

Pickering’s smallest miniature SIP reed relay with a power rating up to 80 Watts combines the ability to effectively switch higher power with exceptional low-level performance, making it an ideal choice where both high-power and low-level switching capabilities are required. Applications include mixed signal semiconductor testers, photovoltaic and EV (electric vehicle) charging, mining gas analysis, medical electronics, in-circuit test equipment and high voltage instrumentation. In many cases, Series 144 offers a more environmentally friendly option than mercury wetted reed relays, as well as a superior alternative to electromechanical relays, where its low-level performance and high isolation can prove a significant advantage.

“With its impressive high-power rating, Series 144 provides a greener alternative to mercury wetted reed relays,” noted Kevin Mallett, Technical Specialist at Pickering Electronics. “While dry reeds may not provide bounce-free operation, their more eco-friendly construction helps contribute to sustainable practices. Series 144 is also a viable substitute for miniature electromechanical relays (EMRs). Its low-level performance and superior isolation significantly improve efficiency and reliability for many applications – and compared to EMRs, reed relays offer faster switching speeds and longer mechanical lifespans, further enhancing their appeal.”

A maximum switching voltage of 1000VDC up to 10W and the option of 2 or 3kV DC stand-off make these relays suitable across a wide range of applications. The 3kV versions have increased clearance between the switch and the coil pins to accommodate the higher voltage. 1 Form A, 2 Form A and 1 Form B configurations are available, with 5 V, 12 V or 24 V coils offered, all with optional internal diode protection. Additional build options are also available on request, including many pin configurations. Pickering also offers customised load testing to ensure components meet exact specifications and needs.

Featuring vacuumed reed switches, where contacts are sealed within a glass tube, the construction of reed relays offers advantages over EMRs. This design provides a protective barrier against environmental factors such as dust, moisture and other contaminants. By contrast, EMRs are open in structure, leaving their internal components exposed. This can lead to oxidation over time, particularly in environments with high humidity or airborne pollutants, significantly compromising low-level performance. Reed relays, meanwhile, tend to maintain their performance and reliability over a longer period, making them a preferred choice for applications where durability and longevity are vital.

Pickering reed relays are highly reliable due to superior manufacturing and quality control processes. They feature instrumentation-grade sputtered ruthenium contacts, rather than the more common electroplated rhodium associated with low grade reed relays. Along with Pickering SoftCenter™ technology to minimise internal stresses on the reed switch, this results in extended operational life and contact resistance stability. Formerless coil construction enables a smaller package than typical for this type of device, while magnetic Mu-Metal screening eliminates problems that would otherwise be experienced due to magnetic interaction when relays are closely stacked.

2024032701 / 27.03.2024 / Electronic-components / Pickering Interfaces Ltd /

High-power Series 144 reed relays from Pickering switch up to 80W while stacking on compact 0.25-inch pitch
Pickering’s smallest miniature SIP reed relay with a power rating up to 80 Watts offers alternative to mercury wetted reed relays or electromechanical relays

New flexible PXI/PXIe microwave switching family from Pickering Interfaces delivers performance & test system optimization

Pickering reed relays stocked at Testco following US distribution deal
Products including world’s smallest and high voltage reed relays now available for immediate shipment from U.S. distributor

New 4 & 6-channel LXI Microwave MUX Solutions - 60-801/802
Pickering Interfaces, a leading provider of modular signal switching and simulation products for electronic test and verification, today launched new four and six channel LXI 50Ω microwave multiplexers in compact 1U and 2U rack-mount form factors. The 60-801 / 60-802 high-performance microwave multiplexers feature excellent RF characteristics and repeatability to within 0.01dB.

Pickering Interfaces Introduces New USB 2.0 Hub Module
Enabling the ability to attach USB test devices and USB test equipment directly to a PXIe chassis

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