KCO-25G-SFP28-SR LC Duplex 850nm 100m MMF 25Gb/s 850nm Multi-mode SFP28 Transceiver
25G SFP28 MMF
+ 25G SFP28 MMF is a transceiver module that supports a 25 Gigabits per second (Gbps) data rate over multi-mode fiber (MMF) using a specific SFP28 form factor. It is designed for high-speed connections, primarily for data centers, providing 25G Ethernet connectivity and serving as a building block for 100G networks.
+ SFP-25G-SR compatible SFP28 transceiver provides 25GBase-SR throughput up to 100m over multi-mode fiber (MMF) using a wavelength of 850nm via an LC connector.
+ 25G SFP28 (Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 25 Gigabit Ethernet connectivity options for data center and high-performance computing networks applications. The 25G Modules are based on SFP28 form factor.
Applications
+ 25G Ethernet
+ Data center and Fiber channel
Standard
+ Compliant to SFF-8431
+ Compliant to SFF 8472
+ RoHS Compliant.
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
|
Storage Temperature |
Ts |
-40 |
- |
85 |
ºC |
|
Relative Humidity |
RH |
5 |
- |
95 |
% |
|
Power Supply Voltage |
VCC |
-0.3 |
- |
4 |
V |
|
Signal Input Voltage |
|
Vcc-0.3 |
- |
Vcc+0.3 |
V |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
|
Case Operating Temperature |
Tcase |
0 |
- |
70 |
ºC |
Commercial |
|
Power Supply Voltage |
VCC |
3.14 |
3.3 |
3.47 |
V |
|
|
Power Supply Current |
ICC |
- |
|
300 |
mA |
|
|
Data Rate |
BR |
|
25.78 |
|
Gbps |
|
|
Transmission Distance |
TD |
|
- |
100 |
m |
OM4 or 70m OM3 |
|
Coupled fiber |
Multi mode fiber |
|||||
Optical Characteristics
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Ref. |
|
Transmitter |
||||||
|
Output Opt. Pwr |
POUT |
-9.1 |
|
2.4 |
dBm |
1 |
|
Optical Wavelength |
λ |
840 |
850 |
860 |
nm |
|
|
Spectral Width (RMS) |
σ |
|
|
0.6 |
nm |
|
|
Optical Extinction Ratio |
ER |
3.0 |
|
|
dB |
|
|
RIN |
RIN |
|
|
-128 |
dB/Hz |
|
|
Receiver |
||||||
|
Rx Sensitivity |
RSENS |
|
|
-11 |
dBm |
2 |
|
Input Saturation Power (Overload) |
Psat |
2.4 |
|
|
dBm |
|
|
Wavelength Range |
λ C |
770 |
850 |
860 |
nm |
|
|
LOS De -Assert |
LOSD |
|
|
-13 |
dBm |
|
|
LOS Assert |
LOSA |
-30 |
|
|
dBm |
|
|
LOS Hysteresis |
|
0.5 |
|
|
dB |
|
Optical Characteristics
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Ref. |
|
Transmitter |
||||||
|
Output Opt. Pwr |
POUT |
-9.1 |
2.4 |
dBm |
1 |
|
|
Optical Wavelength |
λ |
840 |
850 |
860 |
nm |
|
|
Spectral Width (RMS) |
σ |
0.6 |
nm |
|||
|
Optical Extinction Ratio |
ER |
3.0 |
dB |
|||
|
RIN |
RIN |
-128 |
dB/Hz |
|||
|
Receiver |
||||||
|
Rx Sensitivity |
RSENS |
-11 |
dBm |
2 |
||
|
Input Saturation Power (Overload) |
Psat |
2.4 |
dBm |
|||
|
Wavelength Range |
λ C |
770 |
850 |
860 |
nm |
|
|
LOS De -Assert |
LOSD |
-13 |
dBm |
|||
|
LOS Assert |
LOSA |
-30 |
dBm |
|||
|
LOS Hysteresis |
0.5 |
dB |
||||
Notes:
- Class 1 Laser Safety per FDA/CDRH and IEC-825-1 regulations.
- Measured with a PRBS 2 -1 test pattern, @25.78Gb/s, BER<10-5 .
Electrical Characteristics
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
NOTE |
|
Supply Voltage |
Vcc |
3.14 |
3.3 |
3.46 |
V |
|
|
Supply Current |
Icc |
300 |
mA |
|||
|
Transmitter |
||||||
|
Input differential impedance |
Rin |
100 |
Ω |
1 |
||
|
Single ended data input swing |
Vin,pp |
180 |
700 |
mV |
||
|
Transmit Disable Voltage |
VD |
Vcc–1.3 |
Vcc |
V |
||
|
Transmit Enable Voltage |
VEN |
Vee |
Vee+ 0.8 |
V |
2 |
|
|
Receiver |
||||||
|
Differential data output swing |
Vout,pp |
300 |
850 |
mV |
3 |
|
|
LOS Fault |
VLOS fault |
Vcc–1.3 |
VccHOST |
V |
4 |
|
|
LOS Normal |
VLOS norm |
Vee |
Vee+0.8 |
V |
4 |
Notes:
- Connected directly to TX data input pins. AC coupled thereafter.
- Or open circuit.
- Into 100 ohms differential termination.
- Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected
