Shenzhen UTOP Technology Co., Ltd.
                                                                                                           
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Since 2018
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25G SFP28 Passive Direct Attach Copper (DAC) Twinax Cables 0.5m-5m for data center

Price Negotiable
Price: Negotiable
MOQ: 2pcs
Delivery Time: 1-2days
Brand: UTOPTEK
Product Description

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 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 Typical Max Unit Note
  Differential Impedance RIN,P-P 90 100 110 Ώ  
  Insertion loss SDD21 8   22.48 dB At 12.8906 GHz
  Differential 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 to SCC11       dB  
  common-mode 2     At 0.2 to 19 GHz
  SCC22    
  output return loss            
                 
  Differential to common-mode SCD11   12   See 3 dB   At 0.01 to 12.89 GHz
           
  return loss SCD22 10.58   See 4   At 12.89 to 19 GHz
       
                   
        10         At 0.01 to 12.89 GHz
  Differential to common Mode SCD21-IL       See 5 dB   At 12.89 to 15.7 GHz
  Conversion Loss    
        6.3         At 15.7 to 19 GHz
  Channel Operating Margin COM 3     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
1 30
2 30
3 30/24
4 24
5 24

 

 

 

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

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