Pickering Reed Relays 109 Series 0.5A Reed Relays Micro-SIL – Pickering Reed Relays 109P-1-A-5/2D, This reed relay is from the Pickering Reed Relays 109 series, and is a single reed switch with a 5V coil voltage and 200V switching voltage. The relay comes in a plastic package that stacks on a 0.15 x 0.6in pitch and allows up to 80% more relays on a PCB compared to 0.2 x 0.8in devices. Ideal for high density applications such as ATE switching matrices or where board space is tight. Pickering 109P-1-A-5/2D 1 Form A (SPST) 5V Micro SIL Reed Relay