DF33 3.3 mm Contact Pitch, Connectors for Internal Power Supplies Hirose Electric DF33 3.3mm Contact Pitch, Connectors for Internal Power Supplies offer a single row connector that is rated for 5A with #20 AWG conductor. The DF33 series also has a reliable interior lock that protects mated connectors from accidental disconnection, and 3 different mating configurations. Correct connector placement and orientation on the board are ensured by built-in posts. The DF33 series also features connectors that can be encapsulated up to 10mm without affecting the performance, and contacts that are completely surrounded by the insulator housing that electrically isolaties them from adjacent contacts. Separate contact retainers provide for applications where extreme pull-out forces may be applied against the wire or when a visual confirmation of the full contact insertion is required. Learn More