The laser based 25Gigabit SFP28 Transceiver is designed to transmit and receive serial optical data over single mode optical fiber with 10Km.
They are compliant with SFF-8431,SFF-8432. The transmitter converts serial CML electrical data into serial optical data. The receiver converts serial optical data into serial CML electrical data.Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472.
Compliant to SFP28 MSA
Fully RoHS Compliant
All metal housing for superior EMI performance
Operating data rate up to 25.78Gbps
High sensitivity Pin photodiode and TIA
LC duplex connector
Hot pluggable 20pin connector
Low power consumption <1.2 W
0℃ to 70℃ operating wide temperature range
Single +3.3V±5% power supply
Digital Monitoring SFF-8472 Rev 10.2 compliant
Parameter | Symbol | Unit | Min | Typ | Max |
Operating Case Temperature Range | Tc | oC | 0 |
| 70 |
Power Supply Voltage | Vcc | V | 3.14 | 3.3 | 3.46 |
Bit Rate | BR | Gb/s |
| 25.78 |
|
Bit Error Ratio | BER |
|
|
| 5*10-5 |
Max Supported Link Length | L | Km |
|
| 10 |
Parameter | Symbol | Min | Typ | Max | Note | Unit |
Transmitter | ||||||
Nominal Wavelength | λ |
| 1310 |
|
| nm |
Optical Output Power | Pav | -7 |
| 2 |
| dBm |
Extinction Ratio | ER | 3.5 |
|
|
| dB |
Average Launch Power of OFF Transmitter | POFF |
|
| -35 |
| dBm |
Relative Intensity Noise | RIN |
|
| -128 |
| dB/Hz |
Receiver | ||||||
Center Wavelength | λC | 1260 |
| 1620 |
| nm |
Receiver Sensitivity(AVG) | RSENSE |
|
| -11.3 | 1 | dBm |
Receiver Overload | Pmax | 2.2 |
|
|
| dBm |
Optical Return Loss |
|
|
| -26 |
| dB |
LOS Assert | LOSA | -30 |
|
|
| dBm |
LOS De-Assert LOS | LOSD |
|
| -17 |
| dBm |
LOS Hysteresis |
| 0.5 |
|
|
| dB |
Ordering Information | |
Model No. | Description |
SFP28-25G-SR | 25G SFP28 Transceiver Module, Multimode 850nm, SR, 300m, LC, DDM |
SFP28-25G-LR | 25G SFP28 Transceiver Module, Singlemode 1310nm, LR, 10km, LC, DDM |
SFP28-25G-ER | 25G SFP28 Transceiver Module, Singlemode 1310nm, ER, 40km, LC, DDM |
SFP28-25G- BX10-U/D | 25G SFP28 Transceiver Module, Singlemode Simplex 1270nm/1330nm, 10km, LC, DDM |