
Hirose DF40C(2.0)-70DS-0.4V 70 Positions 0.4mm 2.0mm Board-to-Board Receptacle
0.4mm70 Positions2.0mmReceptacle
70 Positions 0.4mm 2.0mm receptacle for high-pin-count mezzanine connections.
Verified Series DataBased on current Hirose documentation
Selection SupportConfirm mating part and packaging suffix
Technical Specifications
| Part Number | DF40C(2.0)-70DS-0.4V |
| Series | DF40 |
| Connector Type | Receptacle |
| Contact Pitch | 0.4mm |
| Number of Positions | 70 Positions |
| Rated Current | 0.3A |
| Rated Voltage | 30V AC/DC |
| Mounting Style | Vertical SMT |
| Mated Height | 2.0mm |
| Rows | Dual Row |
| Performance | Up to 20Gbps |
Key Features
- 2.0mm stacking height
- Shock-absorbing guide ribs
- Wide self-alignment range
- Supports transmission up to 20Gbps
Applications
- High-speed internal board-to-board links for USB, MIPI, SATA, PCIe and related compact electronics.
Drawing & Dimensions

Confirm the exact Hirose packaging/plating suffix and mating part before production release. Official source: https://www.hirose.com/en/product/series/DF40
DF40C(2.0)-70DS-0.4V is the receptacle side of the Hirose DF40 Series, providing 70 positions at 0.4mm pitch with a 2.0mm mated height. The configuration is intended for high-pin-count mezzanine connections; verify the corresponding mating half and packaging suffix before order release.
