D-net`s Optical Transceiver Module service
●Compatibility Assistance: D-NET offers compatibility services to ensure optical modules are compatible with equipment from leading manufacturers.
●Personalized Services: D-NET provides OEM customization options for its products. Upon request, customers can have colored logo labels tailored to their needs.
●Standard Delivery Period: 3 Days
●Extensive Shipping Solutions: D-NET collaborates with highly reputable courier companies such as SF, FedEx, DHL, UPS, and others to ensure reliable shipping services.
Product Features
●Support for rates of up to 10.3Gbps and 25.78Gbps
●OM3-MMF transmits up to 70m and OM4-MMF transmits up to 100m
● 850nm VCSEL laser and PIN photodiode
● Compliant with SFP+ MSA and SFF-8472
● Real-time digital diagnosis and monitoring function
Applications
● 10/25GBASE SR
Product Details
D-NE'S SFP28-25G-SR transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.
The transceiver consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
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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 |
% |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Operating Case Temperature |
Tc |
0 |
+70 |
°C |
|
|
Power Supply Voltage |
Vcc |
3.135 |
3.30 |
3.465 |
V |
|
Power Supply Current |
Icc |
300 |
mA |
||
|
Data Rate |
10.3 |
25.78 |
Gbps |
Optical and Electrical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
||
|
Transmitter |
||||||||
|
Centre Wavelength |
λc |
840 |
850 |
860 |
nm |
|||
|
Spectral Width(RMS) |
Δλ |
0.6 |
nm |
|||||
|
Side-Mode Suppression Ratio |
SMSR |
- |
- |
- |
dB |
|||
|
Average Output Power |
10G |
-8.4 |
2.4 |
|||||
|
25G |
-8.4 |
2.4 |
dBm |
1 |
||||
|
Extinction Ratio |
ER |
2.0 |
dB |
|||||
|
Data Input Swing Differential |
VIN |
180 |
950 |
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 |
840 |
850 |
860 |
nm |
|||
|
Receiver Sensitivity |
10G |
-11.1 |
dBm |
|||||
|
25G |
-10 |
dBm |
3 |
|||||
|
Receiver Overload |
2.4 |
dBm |
3 |
|||||
|
LOS De-Assert |
LOSD |
-13 |
dBm |
|||||
|
LOS Assert |
LOSA |
-30 |
dBm |
|||||
|
LOS Hysteresis |
0.5 |
4 |
dB |
|||||
|
Data Output Swing Differential |
Vout |
500 |
700 |
900 |
mV |
4 |
||
|
LOS |
High |
2.0 |
Vcc |
V |
||||
|
Low |
0.8 |
V |
||||||
Ordering Information
|
Part Number |
Description |
|
SFP28-25G-SR |
25Gbps SFP28 Transceiver, Multi Mode, 100m Reach |
FAQ
1. How fast is 25GbE?
A: 25GbE can provide higher bandwidth, faster network connection, and two 25GbE channels can achieve 50GbE, and four 25GbE channels can achieve 100GbE.
2. What is the distance of SFP28 SR?
A: D-NET'S SFP28-25G-SR transceivers are high performance, cost effective modules supporting data rate of 10.3/25.78Gbps and 70m transmission distance with OM3 MMF or 100m transmission distance with OM4 MMF.
