Hirose’s DF57 series connector is designed to save space, with a profile of just 1,4 mm and board space of 18 mm² for the two-position variant. It can handle 2,5 A per contact with AWG #28 wire.
The connector employs Hirose’s ‘Swing Lock’ double locking mechanism to guarantee high reliability. During mating, the receptacle is inserted into the header at a slight angle by offering the cable end in first; this engages with a positive lock. The mating operation is then finished by swinging the other end of the receptacle in to engage with the friction lock which provides a tactile click to confirm correct mating. This system also prevents the receptacle from floating. The positive lock can withstand a minimum of 5 N of cable pull force, ensuring that the socket cannot be accidentally removed from the header. A small lever makes the unmating process quick and easy. Durability is 30 mating cycles.
Blade contacts are utilised to prevent damage against any cable wrenching forces. These are positioned within a strengthened housing lance to improve retention. An effective contact mating length of 0,42 mm ensures good electrical continuity. The termination contacts on the header are fully moulded into the insulator to eliminate any gaps to prevent solder wicking.
The DF57 series is available in two to six positions and are suitable for AWG #28 or AWG #30 size cables. They are targeted at LED displays, touch panels, small motors, industrial robots, LED lighting modules, digital cameras and more.
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