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100G QSFP28 DAC

QSFP28 100g direct attach cable are compliant with the SFF-8665 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m).

Features of 100G QSFP28 Direct Attach Cable

Up to 25.78Gbps data rate per channel

Up to 5m transmission

Hot-pluggable QSFP+ 38 PIN footprint

Compatible to SFF-8665

Compliant with IEEE 802.3bj

Single 3.3V power supply

Temperature Range: 0~ 70 °C

RoHS compliant

Applications of 100G QSFP28 Direct Attach Cable

Low EMI radiation switches, servers and routers

Data center networks

Storage area networks

High performance computing

Telecommunication and wireless infrastructure

Medical diagnostics and networking

Test and measurement equipment

Specifications of 100G QSFP28 Direct Attach Cable

Mechanical Specifications | Ordering Information

Parameter

Minimum

Typical

Maximum

Unit

Cable Diameter (26AWG)

-

0.220

-

Inches

Bend Radius (26AWG)

1.102

-

-

Inches

Cable Diameter (28AWG)

-

0.185

-

Inches

Bend Radius (28AWG)

0.925

-

-

Inches

Cable Diameter (30 AWG)

-

0.181

-

Inches

Bend Radius (30 AWG)

0.906

-

-

Inches

Within Pair Skew

-

-

100

ps/10m

Cable Insertion Loss

-

15.43

-

dB/5m

Bulk Cable Time Delay

-

-

5.2

ns/m

Bulk Cable Impedance

95

100

105

Ohms

Insertion Force

-

-

40

N

Withdrawal Force

-

-

30

N

Retention Force

90

-

-

N

Durability

50 Cycles

-

-

-

Recommended Operation Condition of 100G QSFP28 Direct Attach Cable

Parameter

Symbol

Min

Max

Unit

Operating Case Temperature

Topc

0

70

degC

Storage Temperature

Tst

-40

85

degC

Relative Humidity (non-condensation)

RS

35

60

%

Supply Voltage

VCC3

3.135

3.465

V

Voltage on LVTTL Input

Vilvttl

-0.3

VCC3 +0.2

V

Power Supply Current

ICC3

15

mA

Total Power Consumption

Pd

-

0.05

W

Notes:

Stress or conditions exceed the above range may cause permanent damage to the device.

This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not applied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Frequency Domain of 100G QSFP28 Direct Attach Cable

Item

Test Parameter

IEEE802.3bj Specification

1

Differential Insertion Loss (SDD12)

Maximum insertion loss at 12.8906Ghz @22.48dB

Minimum insertion loss at 12.8906Ghz@8dB

2

Differential Insertion Loss (SDD21)

Maximum insertion loss at 12.8906Ghz@22.48dB

Minimum insertion loss at 12.8906Ghz@8dB

3

Differential Return Loss (SDD22)

-16.5+2xSQRT(f) @ 0.01 to 4.1GHz

-10.66+14xLog10(f/5.5) @4.1 to 19GHz

4

Differential Return Loss (SDD11)

-16.5+2xSQRT(f) @ 0.01 to 4.1GHz

-10.66+14xLog10(f/5.5) @4.1 to 19GHz

5

Common Mode Reflection (SCC22)

-2dB @ 0.01 to 19GHz

6

Common Mode Reflection (SCC11)

-2dB @ 0.01 to 19GHz

7

Common Mode Conversion (SCD22)

-22+(20/25.78)*(f) @ 0.01 to 12.89GHz

-15+(6/25.78)*(f) @ 12.9 to 19GHz

8

Common Mode Conversion (SCD11)

-22+(20/25.78)*(f) @ 0.01 to 12.89GHz

-15+(6/25.78)*(f) @ 12.9 to 19GHz

9

Differential to Common Mode Conversion Loss (SCD12)

-10dB @ 0.01 to 12.89GHz

-27+(29/22)*(f) @ 12.9 to 15.7GHz

-6.3dB @ 15.71 to 19GHz

10

Differential to Common Mode Conversion Loss (SCD21)

-10dB @ 0.01 to 12.89GHz

-27+(29/22)*(f) @ 12.9 to 15.7GHz

-6.3dB @ 15.71 to 19GHz

For more information about fiber-optic communication, please feel free to contact us!

Location : 8 Jinxiu Middle Road, Pingshan, Shenzhen, Guangdong, China, 518118 Jinxiu Middle Road,
Contact : Lin Jack, 0755 32983688

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