13-position right-angle header with friction lock
MTA-100 series fit and board footprint
The 1-640457-3 sits in the MTA-100 family alongside 11-position (1-640457-1) and 15-position (1-640457-5) siblings — same pitch, same right-angle orientation, same friction lock. The 13-position count is less common than the 11 or 15, so if the BOM calls for exactly 13 circuits this is the direct match.
