Pickering 122 Series Reed Relay Ultra High Density 0.5A 10W SPST – Pickering Reed Relays 122-1-A-5/2, The Pickering Series 122 reed relay range are ultra-high density 4mm² reed relays that take up the minimum board area, allowing high packing density. The relays have sputtered ruthenium contacts that give a switch rating of 0.5A at 10W. Fast operate and release times make these relays ideal for high speed test systems, such as A.T.E. switching matrices or multiplexers. Pickering 122-1-A-5/2 Ultra High Density 0.5 Amp 10 Watts (SPST) 5V Reed Relay