Overview
25G 1310nm 10KMSFP28 transceivers, according to 25 Gigabit Small Form Factor Pluggable “SFP28”Multi-Sourcing Agreement (MSA) SFF-8431 Rev. 4.1 and SFF-8472 Rev. 12.1, aredesigned for use up to 25.78Gb/s data rate and up to 10km link length. They arecompatible with SFF-8432.
25G 1310nm 10KMSFP28 offer commercial operating temperature options.
Features
• Up to 25.78Gb/s bi-directional data links
• Electrical interface specifications per SFF-8431
• Management interface specifications per SFF-8432 and SFF-8472
• Build-in CDR with shut off control
• SFP+ MSA package with duplex LC connector
• Uncooled 1310nm DFB Laser
• Up to 10 km on 9/125um SMF
• Single +3.3V power supply
• Class 1 laser safety certified
• 1.5W maximum power consumption with established link
• Operating temperature: 0℃ to +70℃
• RoHS Compliant
Optical Characteristics
Transmitter Optical Characteristics
Parameter
|
Symbol
|
Minimum
|
Typical
|
Maximum
|
Unit
|
Notes
|
Launch Optical Power
|
Po
|
-5
|
-
|
2
|
dBm
|
1
|
Extinction Ratio
|
ER
|
4
|
-
|
-
|
dB
|
|
Center Wavelength
|
λc
|
1295
|
1310
|
1325
|
nm
|
-
|
Optical Modulation Amplitude
|
OMA
|
631
|
-
|
-
|
uW
|
-
|
Transmitter and Dispersion Penalty
|
TDP
|
-
|
-
|
2.7
|
dB
|
-
|
Spectral Width
|
∆λ
|
-
|
-
|
1
|
nm
|
2
|
Optical Rise/Fall Time @25.78Gb/s
|
tr/tf
|
12
|
-
|
15
|
ps
|
3
|
Optical Return Loss Tolerance
|
ORLT
|
-
|
-
|
12
|
dB
|
|
Pout @TX-Disable Asserted
|
Poff
|
-
|
-
|
-30
|
dBm
|
|
Notes:
1. Class 1 LaserSafety per FDA/CDRH and EN (IEC) 60825 regulations.
2. 20dB spectralwidth.
3. Unfiltered,20-80%.
Receiver Optical Characteristics
Parameter
|
Symbol
|
Minimum
|
Typical
|
Maximum
|
Unit
|
Notes
|
Center Wavelength
|
λc
|
1260
|
1310
|
1370
|
nm
|
-
|
Receiver OMA Sensitivity
|
RxSENS
|
-
|
-
|
-11.4
|
dBm
|
1
|
Receiver Overload (Pavg)
|
POL
|
2
|
-
|
-
|
dBm
|
|
Optical Return Loss
|
ORL
|
26
|
-
|
-
|
dB
|
-
|
LOS De-Assert
|
LOSD
|
-
|
-
|
-13
|
dBm
|
-
|
LOS Assert
|
LOSA
|
-30
|
-
|
-
|
dBm
|
-
|
LOS Hysteresis
|
-
|
0.5
|
-
|
-
|
dB
|
-
|
Notes:
1. Measured withPRBS 231-1 at 5×10-5 BER.
Ordering Information
Part Number
|
Transmitte
|
Output Power
|
Receiver
|
Sensitivity
|
Reach
|
Temp
|
DDM
|
RoHS
|
25G 1310nm 10KM SFP28
|
1310nm DFB
|
-5 ~ +2 dBm
|
PIN
|
<-11.4 dBm
|
10 KM
|
0 ~ 70℃
|
Available
|
Compliant
|
Application
• High speed storage area networks
• 25G high speed interconnection