DAC-25G-3M 10G DAC Cable

Direct Attach Cable

25G SFP28 Direct Attach Cable, DAC 1-5m

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25G SFP28 Direct Attach Cable, DAC 1-5m



  • Up to 25.88243 Gbps data rate
  • Up to 5m transmission
  • Hot-pluggable SFP 20PIN footprint
  • Improved Pluggable Form Factor(IPF)
  • compliant for enhanced EMI/EMC performance
  • RoHS Compliant
  • Operating temperature 0°C to +70°C



  • 25G Ethernet



  • Compliant with SFF-8432 and SFF-8402


General Product Characteristics

SFP28 DAC Specifications
Number of Lanes Tx & Rx
Channel Data Rate 25.88243 Gbps
Operating Temperature 0 to + 70°C
Storage Temperature -40 to + 85°C
Supply Voltage 3.3 V nominal
Electrical Interface 20 pins edge connector
Management Interface Serial, I2C


High Speed Characteristics

Parameter Symbol Min Typ Max Units Notes
Differential Impedance Zd 90 100 110 Ω
Insertion loss SDD21 8 22.48 dB At 12.8906 GHz
Differential Input Return Loss 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

Common Mode Output Return Loss SCC11 2 dB At 0.2 to 19 GHz
Differential Common Mode Output Return Loss SDD22 10.58 See 3 dB At 0.01 to 12.89 GHz
SCD11 12 See 4 dB At 12.89 to 19 GHz
Differential to common Mode

Conversion Loss

SCD21-IL 10 dB At 0.01 to 12.89 GHz
See 5 At 12.89 to 15.7 GHz
6.3 At 15.7 to 19 GHz
Channel Operating Margin COM 3 dB


Ordering information

Model No. Product Description
DAC-25G-xM 25G SFP28 to SFP28 Direct Attach Cable DAC 1-5m
x: 1,2,3,5 meters



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