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Hirose Electric


Hirose Electric DF51 Series Connectors

Tailored for versatility

The DF51 Connector by Hirose is a 2 mm pitch, positive lock connector offering a range of configurations including straight, right-angle, and branching.

Tailored for versatility these connectors feature a hser-friendly side lock design for an effortless and reliable connection. The DF51 connector by Hirose is adaptable for varied cable types, designed to withstand strain, and is proudly UL/C-UL certified.


Positive lock provides clear tactile click and secures reliable connection.
The lock delivers a clear tactile click during peak insertion force, preventing incomplete mating.

Wide variation
Each of the straight/right angle/in-line configurations are available in single-row and dual-row for flexible design. Gold and Tin plating options support various application needs.

Secure Side-locking design
The straight type with short depth and the low profile right angle type are well suited for compact/thin equipment.

Prevents incorrect mating
Visual and mechanical polarized features will prevent reverse mating and incorrect mating between the different number of positions.

Uses the same contacts and crimping tools as DF11 Series
Wide applicable cable range: 22 to 30 AWG.

Suitable for potting
The straight header can be potted up to 3mm.

Branch Adapter
Branch types are also available.


  • Wide varieties satisfy various requirements, Straight/Right angle
  • In-line Connection/Branch, Single/Dual row, Gold/Tin Plating, etc.
  • Side lock design enables user-friendly operation and reliable connection
  • High contact lance strength prevents contact pulling loose while wrenching the cables
  • Applicable Cable: 22-30 AWG
  • UL/C-UL certified