Factory high quality 25G SFP28 Passive Direct Attach Copper Twinax Cable
The SFP28 passive cable assemblies are high performance, cost effective I/O solutions for 25G Ethernet. SFP28 copper cables allow hardware manufactures to achieve high port density, configurability and utilization at a very low cost and reduced power budget
SFP28 Direct Attach Cables are compliant with SFF-8432 and SFF-8402 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m).
Features Up to 25.78125 Gbps data rate Up to 5 meter transmission Hot-pluggable SFP 20PIN footprint Improved Pluggable Form Factor(IPF) compliant for enhanced EMI/EMC performance Compatible to SFP28 MSA Compatible to SFF-8402 and SFF-8432 Temperature Range: 0~ 70 °C RoHS Compatible Advantage Cost-effective copper solution Lowest total system power solution Lowest total system EMI solution Optimized design for Signal Integrity
High Speed Characteristics Differential Impedance RIN,P-P 90 100 110 Ώ Insertion loss SDD21 8 22.48 dB SDD11 12.45 See 1 dB At 0.05 to 4.1 GHz SDD22 3.12 See 2 dB At 4.1 to 19 GHz dB At 0.2 to 19 GHz dB At 0.01 to 12.89 GHz SCD22 10.58 See 4 10 SCD21-IL See 5 dB 6.3 COM 3 dB Notes:
Parameter
Symbol
Min.
Typical.
Max.
Unit
Note
At 12.8906 GHz
Differential Return Loss
Common-mode to
SCC11
-
common-mode
2
SCC22
output return loss
Differential to common-mode
SCD11
12
-
See 3
return loss
At 12.89 to 19 GHz
At 0.01 to 12.89 GHz
Differential to common Mode
Conversion Loss
At 12.89 to 15.7 GHz
At 15.7 to 19 GHz
Channel Operating Margin
Applications 25G Ethernet
