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Reduce heat conduction during soldering ground plane spokes can be used for hall sensors, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot370-1_po.pdf SSOP56: plastic shrink small outline package; 44 leads; body width 3.9 mm; lead pitch 0.635; (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot552-1_po.pdf 14-Lead Plastic Dual Flat, No Lead Package, 1.2x1.8x1.55 mm Body [QFN] with corner pads; see figure 8.2 of https://www.silabs.com/documents/public/data-sheets/efm8bb1-datasheet.pdf 20-Lead Plastic Thin Quad Flatpack (PT) - 10x10x1.0 mm Body with Exposed Pad (see Microchip Packaging Specification 00000049BS.pdf 44-Lead Plastic Shrink Small Outline Package (MS) [MSOP], variant of 8-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), LongPads 6-lead though-hole mounted DIP package, row spacing 8.9 mm (350 mils), SMDSocket, SmallPads 40-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), Socket 64-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), body size (see http://www.kingtek.net.cn/pic/201601201417455112.pdf SMD 9x-dip-switch SPST , Slide, row spacing 7.62 mm (300 mils), body size 6.7x16.8mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/219.pdf), SMD, LowProfile SMD 4x-dip-switch SPST , Slide, row spacing 25.4 mm (1000 mils), SMDSocket, LongPads THT DIP DIL ZIF 7.62mm 300mil Socket 3M 16-pin zero insertion force socket, through-hole, horizontal, https://www.cliffuk.co.uk/products/testleads/sockets/S16NPC.pdf cliff 4mm socket jack banana C5080 SERIES 90° Wafer, (https://datasheet.lcsc.com/lcsc/1912261836_HR-Joint-Tech-Elec-C5080WR-04P_C477015.pdf connector side-entry ATA PATA IDE 5.25 inch floppy drive power USB 3.0, type A, Horizontal, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=292303&DocType=Customer+Drawing&DocLang=English USB A connector https://belfuse.com/resources/drawings/stewartconnector/dr-stw-ss-52100-001.pdf USB type A, right angle 3mm spherical light pipe.

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