The HRS / Hirose DF81 Series is a high-speed micro-coaxial wire-to-board connector system designed for horizontal mating applications. With a 0.4 mm pitch, metal shell shielding, multiple grounding points, and an independent rotating latch structure, the DF81 Series is suitable for compact high-speed internal cable assemblies used in displays, cameras, portable devices, medical equipment, industrial systems, and communication modules.
| Parameter | DF81 Range |
|---|---|
| Connection Type | High-speed micro-coaxial wire-to-board connector |
| Mating Direction | Horizontal mating |
| Contact Pitch | 0.4 mm |
| Number of Positions | 30, 40, and 50 positions |
| Cable-Side Plug | DF81D-30/40/50P-0.4SD(51)/(52) |
| PCB-Side Receptacle | DF81-30/40/50S-0.4H(51)/(52) |
| Cable-Side Accessories | Matching SHL metal shell and LCH latch for each position count |
| Applicable Cable | Micro-coaxial cable and discrete wire; mixed cable assembly is supported |
| Overall Wire Gauge Range | AWG34 to AWG46 |
| Discrete Wire | AWG34 and AWG36 |
| Micro-Coaxial Cable | AWG36, AWG40, AWG42, AWG44, and AWG46 |
| Single-Wire Insulation Outside Diameter | φ0.54 mm maximum |
| Termination Method | Soldering |
| Maximum Rated Current | 0.8A per contact, only under the condition that two circuits are energized |
| General Rated Current | 0.1 to 0.3A per contact, depending on the wire gauge |
| Rated Voltage | 100V AC/DC |
| Maximum Transmission Speed | 5.4 Gbps |
| High-Speed Protocols | eDP, MIPI, LVDS, USB 3.0, and SATA |
| Operating Temperature | -35°C to +85°C, including temperature rise caused by current flow |
| Operating Humidity | 20% to 80% RH |
| Storage Temperature | -10°C to +60°C |
| Storage Humidity | 40% to 70% RH |
| Mating Cycle Life | 30 cycles |
| Shielding | Metal shell with multiple grounding points |
| Locking Structure | Independent rotating latch |
| Waterproof Performance | None |
| Cable Length | No fixed length range is specified by HRS; cable length should be determined based on cable type and signal integrity requirements |
| Environmental Compliance | RoHS and halogen-free |
| Parameter | Official Specification |
|---|---|
| Rated Voltage | 100V AC/DC |
| Insulation Resistance | 50 MΩ minimum, tested at 100V DC |
| Signal Contact Resistance | 80 mΩ maximum |
| Ground Contact Resistance | 80 mΩ maximum |
| Withstanding Voltage | 250V AC for 1 minute |
| Maximum Transmission Speed | 5.4 Gbps |
| Vibration Frequency | 10 to 55 Hz |
| Vibration Amplitude | 0.75 mm single amplitude |
| Discontinuity Requirement | No electrical discontinuity of 1 μs or longer is allowed |
| Mating Cycle Life | 30 cycles |
| Customization Item | Available Options |
|---|---|
| PCB-Side Connector | DF81 30-, 40-, or 50-position horizontal receptacle |
| Cable-Side Connector | DF81D cable-side plug with matching SHL outer shell and LCH latch |
| Number of Positions | 30, 40, and 50 positions |
| Cable Type | Micro-coaxial cable, fine-gauge discrete wire, or mixed micro-coaxial and discrete wire design |
| Wire Gauge | AWG34 to AWG46 overall; AWG36 to AWG46 for micro-coaxial cable; AWG34 to AWG36 for discrete wire |
| Cable Length | Custom length based on mechanical routing, cable loss, supported protocol, and signal integrity requirements |
| Wiring Configuration | 1:1 straight wiring, custom signal and ground assignment, high-speed differential pair routing, and project-specific pinout |
| Shielding | Metal outer shell with multiple grounding points and cable shield termination as required |
| Testing | Continuity test, short-circuit test, wiring sequence test, visual inspection, and high-speed electrical validation if required |
| Packaging | Individual packaging, tray packaging, label packaging, and customized packaging |
DF81 high-speed micro-coaxial cable assemblies are suitable for compact electronic systems that require horizontal board-to-cable mating and controlled high-speed signal transmission. Typical applications include LCD display modules, camera modules, medical imaging equipment, industrial displays, portable electronics, communication modules, and systems using eDP, MIPI, LVDS, USB 3.0, or SATA interfaces.
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