MACROREER® SFP28 DAC cable based on IEEE 802.3 by and MSA SFF-8402, supports 25G multi-rate communication and application in 10/25GE, 16/32FC. We offers passive SFP28 twinax cables in lengths of 0.5 to 5 meters.
25GBase SFP28 Copper Twinax cables are suitable for very short distances and offer a highly cost-effective way to connect within racks and across adjacent racks. 25GBase SFP28 DAC cable which replaces two optical modules and a connectorized optical fiber with a twinaxial copper cable assembly.
MACROREER® offers the higher density, lower cost, and lower power 10 Gigabit Ethernet solution than other cable types such as 25GBASE-CX4 and CAT6/CAT6A 10GBASE-T. 
25G SFP+ Direct Attach Cables are available with 30 AWG, 28 AWG, 26 AWG and 24 AWG cables . Standard lengths are 0.5m, 1m, 1.5m,2m, 2.5m,3m, 5m, and 7m.

If you need customized services, please contact service@macroreer.com for more details.






25G SFP28 Passive Cable Assembly Length Recommendation




Signal  Integrity Lab
We owns a Signal Integrity Lab with equipment like TDR,TDT,VNA,PNA,RF matrix switch, which can achieve 18G~40GHz high-speed simulation design, S-parameter analysis, TDR parameter test.


25G Passive SFP28+ Cable
Feature
  • SFP28 to SFP28 Connetor
  • 2-pair differential twinax cable
  • Impedance: 100-ohm
  • Passive
  • 30/28/26/24 AWG
  • EEPROM or MCU for I2C which can be customized
  • Compliant to SFP MSA
  • Low power consumption
  • Excellent EMI performance
  • RoHS Compliant
  • Wide operating temperature range: Standard: 0ºC to +70ºC
                                                                Industrial: -40ºC to +85ºC
Application
  • 25G Ethernet
  • Networking, Storage, Telecommunications
  • Hub, Switches, Routers, Servers, Network Interface Card(NICs)
Ordering information

P/N
Description
Passive Active
Data Rate 
(bps)
Length
(meter)
AWG
I2C
MA-25GSFP28-P0.5M
25G SFP28 Copper Twinax Cable, 0.5-Meter
Passive 
25G0.530eeprom
MA-25GSFP28-P1M
25G SFP28 Copper Twinax Cable, 1-Meter
Passive 
25G130eeprom
MA-25GSFP28-P1.5M
25G SFP28 Copper Twinax Cable, 1.5-MeterPassive 
25G1.530eeprom
MA-25GSFP28-P2M
25G SFP28 Copper Twinax Cable, 2-Meter
Passive 
25G230eeprom
MA-25GSFP28-P2.5M
25G SFP28 Copper Twinax Cable, 2.5-Meter
Passive 
25G2.530/24eeprom
MA-25GSFP28-P3M
25G SFP28 Copper Twinax Cable, 3-Meter
Passive 
25G330/24
eeprom
MA-25GSFP28-P5M
25G SFP28 Copper Twinax Cable, 5-Meter
Passive 
25G524
eeprom
MA-25GSFP28-P7M
25G SFP28 Copper Twinax Cable, 7-Meter
Passive 
25G
724
eeprom




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