for our customers we do have alternatives for the part# L77DFA15S1APN-ND of Amphenol ICC (Commercial Products) in stock:
L77DFA15S1AON from Amphenol ICC (Commercial Products) also specifies 7,5A max current
1-106506-2 from TE Connectivity AMP Connectors specifies 6A as maximum allowed current
173-E15FEA-ND from NorComp Inc. is a similar CONN D-SUB RCPT 15POS R/A SOLDER with just 5A max current.