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See http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-to-220/to-220_5_05-08-1421_straight_lead.pdf TO-220-5 Vertical RM 1.27mm MultiwattF-15 staggered type-1 TO-220-11, Vertical, RM 2.54mm, see http://www.vishay.com/docs/88898/b2m.pdf DIL DIP PDIP 5.08mm 2.54 4-lead dip package for Everlight ITR8307 with PCB trace layout Checkpoint in case you are using Eurorack height = cone_indents_height + 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2; hole_margin = 1; top_margin = (board_height - hole_vdist) / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); cutout_height = board_height - (top_margin * 2); hole_horiz = (board_width - hole_hdist) / 2; standoff_radius = hole_radius * 2.5; Latest commits for file LICENSE.

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