HomeOptical Transceivers25G 850nm 70-100M SFP28

25G 850nm 70-100M SFP28

  • 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.
  • 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 Table 1. 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
Δλ
-
-
0.6
Nm
-
Optical Return Loss Tolerance
ORLT
-
-
12
DB
-
Pout @TX-Disable Asserted
Poff
-
-
-30
DBm
1
Note:
1.50/125µm fiber with NA = 0.2, 62.5/125µm fiber with NA = 0.275. Table 2.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
-
Table 3. 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
  • 25.78Gb/s single lane 100GE SR4