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25G SFP28 Passive Direct Attach Copper (DAC) Twinax Cables 0.5m-5m for data center

Shenzhen UTOP Technology Co., Ltd.
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Address: No. 10-1, Lane 7, Xuewuxin Village, Jinsha Community, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China

Contact name:Yilia

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Shenzhen UTOP Technology Co., Ltd.

25G SFP28 Passive Direct Attach Copper (DAC) Twinax Cables 0.5m-5m for data center

Country/Region china
City & Province shenzhen guangdong
Categories Optoelectronic Displays
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Product Details

25G SFP28 Passive Direct Copper Cables

SFP28-25G-PCU1M  (or xM)

 

 

Product Details:


Features
• Up to 25.88243 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
• Single 3.3V supply voltage
• BER better than 10-15
• Temperature Range: 0~ 70 °C
• RoHS Compatible

 

 

Applications

  • 25G Ethernet
  • InfiniBand, Fiber Channel 25G
  • Sonet Multiplatform support
  • High Performance Computing Clusters
  • High End Servers
  • Metro Network Switch/Cross Connect

General Product Characteristics

 

SFP+ DAC Specifications 
Number of LanesTx & Rx
Channel Data Rate25.88243 Gbps
Operating Temperature0 to + 70°C
Storage Temperature-40 to + 85°C
Supply Voltage3.3 V nominal
Electrical Interface20 pins edge connector
Management InterfaceSerial, I2C

 

High Speed Characteristics

 

 ParameterSymbolMinTypicalMaxUnitNote
 Differential ImpedanceRIN,P-P90100110Ώ 
 Insertion lossSDD218 22.48dBAt 12.8906 GHz
 Differential Return LossSDD11 12.45 See 1dBAt 0.05 to 4.1 GHz
 SDD223.12 See 2dBAt 4.1 to 19 GHz
   
 Common-mode toSCC11   dB 
 common-mode2  At 0.2 to 19 GHz
 SCC22  
 output return loss      
         
 Differential to common-modeSCD11 12 See 3dB At 0.01 to 12.89 GHz
      
 return lossSCD2210.58 See 4 At 12.89 to 19 GHz
    
          
    10    At 0.01 to 12.89 GHz
 Differential to common ModeSCD21-IL   See 5dB At 12.89 to 15.7 GHz
 Conversion Loss  
    6.3    At 15.7 to 19 GHz
 Channel Operating MarginCOM3  dB 

Notes:

  • Reflection Coefficient given by equation SDD11(dB) < 16.5 - 2 × SQRT(f ), with f in GHz
  • Reflection Coefficient given by equation SDD11(dB) < 10.66 - 14 × log10(f/5.5), with f in GHz
  • Reflection Coefficient given by equation SCD11(dB) < 22 - (20/25.78)*f, with f in GHz
  • Reflection Coefficient given by equation SCD11(dB) < 15 - (6/25.78)*f, with f in GHz
  • Reflection Coefficient given by equation SCD21(dB) < 27 - (29/22)*f, with f in GHz

 


Mechanical Specifications

The connector is compatible with the SFF-8432 specification.

 

Product show:


 

Testing Show:


 

 

Ordering informations:

Length (m)Cable AWG
130
230
330/24
424
524

 

 

 

 

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