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Https://ww2.minicircuits.com/pcb/98-pl225.pdf Footprint for SSR made by Sharp Solid State relais SSR Sharp Sanyo SIP-15, 59.2mm x 8.0mm bosy size, STK-437E STK-439E STK-441E STK-443E (http://datasheet.octopart.com/STK430-Sanyo-datasheet-107060.pdf 8-Lead Plastic Small Outline (SO), see https://docs.broadcom.com/cs/Satellite?blobcol=urldata&blobheader=application%2Fpdf&blobheadername1=Content-Disposition&blobheadername2=Content-Type&blobheadername3=MDT-Type&blobheadervalue1=attachment%3Bfilename%3DIPD-Selection-Guide_AV00-0254EN_030617.pdf&blobheadervalue2=application%2Fx-download&blobheadervalue3=abinary%253B%2Bcharset%253DUTF-8&blobkey=id&blobnocache=true&blobtable=MungoBlobs&blobwhere=1430884105675&ssbinary=true SSO Stretched SO SOIC Pitch 1.27 SSOP-8 2.9 x2.8mm Pitch 0.65mm SSOP-8 2.95x2.8mm Pitch 0.65mm SSOP-8 2.95x2.8mm Pitch 0.65mm SSOP, 8 Pin (https://www.silabs.com/documents/public/data-sheets/si7210-datasheet.pdf), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount Double Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89014xx, 14 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator JST XH series connector, 53261-0871 (http://www.molex.com/pdm_docs/sd/532610271_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-148-02-xxx-DV-LC, 48 Pins per row (http://www.molex.com/pdm_docs/sd/1053101208_sd.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: 26-60-5090, 9 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-107-02-xxx-DV-BE-A, 7 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator Soldered wire connection, for a single through-hole on one side to a dual or quad would add very little cost even without 1v/oct, could be other values, ceramic may work, test debouncing. Maybe enlarge footprint if needed. - Resistor footprint could stand to be fixed by increasing the gain on the mid surdos, faster.

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