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Ground planes are copper fill applied everywhere there isn't a trace already use spokes where ground planes connect to holes - these gaps reduce heat conduction during soldering - ground planes are copper fill applied everywhere there isn't a trace on one side to center of package, Thorlabs photodiodes, https://www.thorlabs.de/drawings/374b6862eb3b5a04-9360B5F6-5056-2306-D912111C06C3F830/FDGA05-SpecSheet.pdf TO-92 leads in-line, narrow, oval pads, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot190-1_po.pdf VSSOP-8 2.3x2mm Pitch 0.5mm vertical Molex KK 396 Interconnect System, old/engineering part number: A-41791-0011 example for new mpn: 39-30-0220, 11 Pins per row.

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