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Printed circuit boards (PCBs) have holes drilled into them, and leads from electronic components are inserted into those holes and soldered to pads on the other side, using either manual assembly (hand placement) or automated insertion mount machines.
This mounting technique is known as through-hole technology (also spelled “through-hole”).
A relay is essentially a mechanical switch with the ability to be controlled electronically via an electromagnet, as opposed to being manually turned on or off. It consists of a flexible movable mechanical component.
Signal relays are electrically actuated mechanical switches that, like power relays, open or close a primary circuit (load) in response to a control voltage in a different secondary circuit (coil).
The Global Through-hole signal relay market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A through-hole reed relay that Pickering Electronics claims to have developed is the tiniest in the market will soon be available. The Series 124 is a member of Pickering’s new series of 4mm2 reed relays with ultra-high packing density, which only needs a 4x4mm board area.
With just 9.5mm in height, Series 124 relays are also said to have the lowest profile on the 4x4mm footprint. Currently, there is only one Form A with the choice of 3V or 5V coils for the devices.
The sputtered ruthenium switch in Series 124 reed relays has a 5W, 0.5A rating. The reed switches in question are the same ones used in the well-known Pickering Series 111, 111P, and 117, but they are oriented vertically within the package to enable such high packing density.
The relays are suitable for high-speed test systems thanks to their generally 80us quick operating periods, and because of their exceedingly small size, they are also appropriate for very high-density applications like ATE and semiconductor switching matrices or multiplexers.
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