25G SFP28 Passive DAC Direct Attach Copper Twinax Cable

1. General Specifications

• Form Factor: SFP28 to SFP28

• Cable Type: Direct Attach Copper (DAC)

• Data Rate: 25Gbps (1x 25Gbps per channel)

• Connector Type: SFP28 on both ends

• Cable Lengths: Available in 1m, 3m, 5m, 7m, 10m (customizable)

• Cable Construction: Copper cable with molded SFP28 connectors

• Cable Jacket Material: LSZH (Low Smoke Zero Halogen)

2. Electrical & Optical Performance

• Signal Integrity: Optimized for high-speed, low-latency performance

• Power Consumption: ≤ 1W per end

• Insertion Loss: ≤ 3.0 dB @ 1m (typical)

• Return Loss: ≥ 15 dB

• Bit Error Rate (BER): ≤ 10⁻¹²

• Max Distance:

• Up to 5m at 25Gbps for copper DAC

• Depending on cable length and signal quality

3. Mechanical & Environmental Characteristics

• Operating Temperature: 0°C to 70°C (Standard)

• Storage Temperature: -40°C to 85°C

• Humidity: 5% to 85% non-condensing

• Bend Radius: ≥ 20mm (minimum bend radius)

• Durability: 30,000+ insertion cycles

4. Compliance & Certifications

• Compliant with SFP28 MSA (Multi-Source Agreement)

• RoHS, CE, FCC, and TUV Certified

• UL-rated for safety and environmental protection

5. Applications

• 25G Ethernet Connectivity

• Data Center Interconnects (DCI)

• High-Speed Networking in Servers and Switches

• Storage Area Networks (SANs)

• High-Performance Computing (HPC) Interconnects

6. Key Benefits

• Cost-effective: Low-cost alternative to fiber optics for short-distance connections

• High reliability: Stable, low-latency, and error-free transmission over copper cables

• Energy-efficient: Lower power consumption compared to optical transceivers

• Plug-and-play: Easy installation and maintenance