Connectors Pro DB37 Female D-Sub Solder Type Connector, 10-PK DC37 or DB37 female D-Sub Solder Type Connector Solder Cup Connector RS232 D-Sub 37 pin normal density connectors. tin plated housing. Industry standard commercial DB37 female solder style connector Maximum wire size is 20 AWG, UL94V-0 rated connector insulator PRICE is for 10 PACK, for 2 or more, please order 10-DB37-F