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25Gbps Single Mode 10KM Compatible SFP28 Transceiver
25Gbps Single Mode 10KM SFP28 Transceiver/25GBASE-LR, fully tested compatible for over 100 vendors.
Product Features
- Supports up to 25.78Gbps bit rates
- Hot-pluggable SFP+ footprint
- 1310nm DFB laser and PIN photodiode, Up to 10km for SMF transmission
- Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle
- Compatible with RoHS
- Single +3.3V power supply
- Real Time Digital Diagnostic Monitoring
- Operating case temperature:
Standard: 0 to +70°C
Description
The SFP28 transceivers are high performance, cost effective modules supporting data rate of 25.78Gbps and 10km transmission distance with SMF.
The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
-0.5 |
4.5 |
V |
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|
Operating Humidity |
- |
5 |
85 |
% |
Optical and Electrical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
||
|
Transmitter |
||||||||
|
Centre Wavelength |
λc |
1270 |
1310 |
1350 |
nm |
|
||
|
Spectral Width（-20dB） |
Δλ |
|
|
1 |
nm |
|
||
|
Side-Mode Suppression Ratio |
SMSR |
30 |
- |
|
dB |
|
||
|
Average Output Power |
Pout |
-7 |
|
2 |
dBm |
1 |
||
|
Extinction Ratio |
ER |
3.5 |
|
|
dB |
|
||
|
Data Input Swing Differential |
VIN |
180 |
|
850 |
mV |
2 |
||
|
Input Differential Impedance |
ZIN |
90 |
100 |
110 |
Ω |
|
||
|
TX Disable |
Disable |
|
2.0 |
|
Vcc |
V |
|
|
|
Enable |
|
0 |
|
0.8 |
V |
|
||
|
TX Fault |
Fault |
|
2.0 |
|
Vcc |
V |
|
|
|
Normal |
|
0 |
|
0.8 |
V |
|
||
|
Receiver |
||||||||
|
Centre Wavelength |
λc |
1260 |
|
1600 |
nm |
|
||
|
Receiver Sensitivity |
|
|
|
-13.3 |
dBm |
3 |
||
|
Receiver Overload |
|
|
|
2 |
dBm |
3 |
||
|
LOS De-Assert |
LOSD |
|
|
-15 |
dBm |
|
||
|
LOS Assert |
LOSA |
-30 |
|
|
dBm |
|
||
|
LOS Hysteresis |
|
0.5 |
|
|
dB |
|
||
|
Data Output Swing Differential |
Vout |
300 |
|
900 |
mV |
4 |
||
|
LOS |
High |
2.0 |
|
Vcc |
V |
|
||
|
Low |
|
|
0.8 |
V |
|
|||
Notes:
- The optical power is launched into SMF.
- PECL input, internally AC-coupled and terminated.
- Measured with a PRBS 231-1 test pattern @25.78Gps, BER ≤5×10-5.
- Internally AC-coupled.
Ordering information
|
Part Number |
Product Description |
|
BT-SFP28-LR4 |
1310nm, 25.78Gbps, LC, 10km, 0°C~+70°C, with DDM |
