pcb design - Whats the standard for denoting the orientation of an LED on a PCB? - Electrical Engineering Stack Exchange
BZT52C15-7-F footprint, schematic symbol and 3D model by Diodes Incorporated
IPC 7351 Standards to Design a Footprint | Sierra Circuits
Diodes THT: Polarity marker on silk not ideal for most footprints and second (fab) reference interferes with other fab graphics · Issue #78 · KiCad/kicad-footprints · GitHub
DIOAD1270W100L812D508_SMC_Diode_Solutions_DO-201AD_wm - PCB 3D