In addition to the IPC Specs, check with who's doing your assembly. Their PnP may define how the component will be picked from a tray or tape. This will help determine what your assembly house will see as zero rotation. Usually a data sheet will tell you how the component sits in the tape or tray.
Hope this helps,
Allen Maddox, CID+
Hi Council - I'm checking on if there is a standard to creating parts (PCB decals\footprints)... Is there a preferred orientation as far as creating the footprint...? IC created horizontal, left to right, pin 1 lower left etc... 1206 horizontal, left to right pin 1 then pin 2 etc...
Regard's, Fred Dark
Jr.
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