Overview
25G 850nm 100M SFP28, according to 25Gigabit Small Form Factor Pluggable “SFP28” Multi-Sourcing Agreement (MSA) SFF-8431 Rev. 4.1 and SFF-8472 Rev. 12.1, is designed to be used in up to 25.78Gb/s data rate over multimode fiber. They are compatible with SFF-8432.
25G 850NM 100M SFP28 offers commercial operating temperature option.
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 850nm VCSEL Laser
• Single +3.3V power supply
• Class 1 laser safety certified
• Metal enclosure, for lower EMI
• Commercial operating temperature: 0℃ to +70℃
• Up to 70m on OM3 MMF and 100m on OM4 MMF
• RoHS Compliant
Optical Characteristics
Transmitter Optical Characteristics
Parameter
|
Symbol
|
Minimum
|
Typical
|
Maximum
|
Unit
|
Notes
|
Launch Optical Power
|
Po
|
-7.6
|
-
|
+2.4
|
dBm
|
1
|
Extinction Ratio
|
ER
|
2
|
-
|
-
|
dB
|
|
Center Wavelength
|
λc
|
840
|
850
|
860
|
nm
|
-
|
Transmitter Dispersion Penalty @25.78Gb/s
|
TWDP
|
|
-
|
5
|
dB
|
-
|
Spectral Width h (RMS) @25.78Gb/s
|
∆λ
|
-
|
-
|
0.6
|
nm
|
-
|
Optical Return Loss Tolerance
|
ORLT
|
-
|
-
|
12
|
dB
|
-
|
Pout @TX-Disable Asserted
|
Poff
|
-
|
-
|
-30
|
dBm
|
1
|
Notes:
50/125µm fiber with NA = 0.2, 62.5/125µm fiberwith NA = 0.275
Receiver Optical Characteristics
Parameter
|
Symbol
|
Minimum
|
Typical
|
Maximum
|
Unit
|
Notes
|
Center Wavelength
|
λc
|
840
|
-
|
860
|
nm
|
-
|
Receiver Sensitivity (Pavg)
|
S
|
-
|
-
|
-11
|
dBm
|
1
|
Receiver Overload (Pavg)
|
POL
|
2.5
|
-
|
-
|
dBm
|
|
Optical Return Loss
|
ORL
|
12
|
-
|
-
|
dB
|
-
|
LOS De-Assert
|
LOSD
|
-
|
-
|
-12
|
dBm
|
-
|
LOS Assert
|
LOSA
|
-30
|
-
|
-
|
dBm
|
-
|
LOS Hysteresis
|
-
|
0.5
|
-
|
-
|
dB
|
-
|
Ordering Information
Part Number
|
Transmitter
|
Output Power
|
Receiver
|
Sensitivity
|
Reach
|
Temp
|
DDM
|
RoHS
|
25G 850nm 100M SFP28
|
850nm VCSEL
|
-7.6 ~ +2.4 dBm
|
PIN
|
<-11dBm
|
70m
|
0 ~ 70℃
|
Available
|
Compliant
|
Application
25.78Gb/s single lane 100GE SR4