100G QSFP28 to QSFP28 Direct Attach Cable
Short Description:

Item: 100G QSFP28 to QSFP28 Passive direct attach cables

Data rate: Up to 28.3125Gbps data rate per channel

Operating Temperature: 0 to 70℃

Compliant with SFF-8665,  RoHS compliant

Wire gauge range: 30 to 24 AWG

  • Brand Name: Rollball
  • Min.Order Quantity: 1 Piece
  • Place of Origin: Shenzhen, China
  • Payment Terms: Paypal, Western Union, T/T
  • Certification: FCC, CE, RoHS

                                                           100G QSFP28 TO QSFP28 Direct Attach Cable 

Description

 

QSFP28 Direct Attach Cables are compliant with the SFF-8665 specifications. Various choices of wire gauge are available from 30 to 24 AWG with various choices of cable length (up to 5m).

 

Features

  • Compliant with SFF- 8665
  • Up to 28.3125Gbps data rate per channel
  • Up to 5m transmission
  • Operating temperature: 0~70℃
  • Single 3.3V power supply
  • RoHS compliant
  • Cost-effective copper solution
  • Lowest total system power solution
  • Lowest total system EMI solution
  • Optimized design for Signal Integrity

 

Applications

  • 100G Ethernet

General Product Characteristics

 

QSFP+ DAC Specifications  
Number of Lanes Tx & Rx
Channel Data Rate 28.3125 Gbps
Operating Temperature 0 to + 70°C
Storage Temperature -40 to + 85°C
Supply Voltage 3.3 V nominal
Electrical Interface 38 pins edge connector
Management Interface Serial, I2C

 

High Speed Characteristics

 

Parameter Symbol Min Typ Max Units Notes
Differential Impedance

Zd

90

100 110

Ω

 
 Differential Input Return Loss   SDDXX <-12+2* SQRT (f) with f in GHz

dB

0.01~4.1GHz

<-6.3+13*

Log10/(f/5.5) with f in GHz

 

dB

 4.1~19GHz
Common Mode Output Return Loss  SCCXX < -7+1.6*f with f in GHz

dB

0.01~12.89GHz
   

-3

dB

12.89~19GHz
Difference Waveform Distortion Penalty dWDPc     6.75 dB  
VMA Loss

L

    4.4 dB   
VMA Loss to Crosstalk Ratio VCR 32.5    

dB

 

 

Regulatory Compliance

 

Feature Test Method Performance
Electrostatic Discharge (ESD) to the Electrical Pins  MIL-STD-883C Method 3015.7  Class 1(>2000 Volts)
Electromagnetic Interference(EMI) FCC Class B Compliant with Standards
CENELEC EN55022 Class B
CISPR22 ITE Class B
 RF Immunity(RFI)  IEC61000-4-3 Typically Show no Measurable Effect from a 10V/m Field Swept from 80 to 1000MHz
RoHS Compliance RoHS Directive 2011/65/EU and it’s Amendment Directives 6/6 RoHS 6/6 compliant

 

 

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