SFP28 is a 25GBASE interface which has evolved from 100 Gigabit Ethernet, which is typically implemented with 4 × 25 Gbit/s data lanes. Identical in mechanical dimensions to SFP and SFP+, SFP28 implements one 28 Gbit/s lane for top-of-rack switch to server connectivity.SFP28 may also be used to “break out” a single 100GbE port in a top-of-rack switch into four 25 Gbit/s individual server connections. SFP28 functions with both optical and copper interconnects.
Features :
Support 25.78Gb/s & 28.05Gb/s bi-directional data links
Build-in CDR
Hot-pluggable SFP+ footprint
Built-in digital diagnostic functions
RoHS compliant
Single 3.3V power supply
Operating temperature range: 0°C to 70°C or -40°C to 85°C
Applications :
25.78 Gb/s single lane 100GE SR4
25G Ethernet
Tri Rate : 8.5/14.025/28.05Gb/s Fiber channel
CPRI Option 7/8/9/10
| Part Number | Data Rate | Wavelength (nm) | Source | Avg.Launch Power (dBm) | Avg.Rx Power (dBm) | Fiber Type | Interface Connector | Reach |
| 25G SFP28 | ||||||||
| CTF-SFP28-SR | 25G | 850 | VCESL+PIN | -8.4~+2.4 | ≦-10.3 | MMF | LC | 100m |
| CTF-SFP28-LR | 25G | 1310 | DFB+PIN | -7~+2 | ≦-11 | SMF | LC | 10km |
| CTF-SFP28-ER | 25G | 1310 | EML+APD | -1.6~+6 | ≦-19 | SMF | LC | 40km |
| BIDI 25G | ||||||||
| SFP28-BIDI-LR-27 | 25G | Tx1270/Rx1330 | DFB+PIN | -5~+2 | ≦-18 | SMF | LC | 10km |
| SFP28-BIDI-LR-33 | 25G | Tx1330/Rx1270 | DFB+PIN | -5~+2 | ≦-18 | SMF | LC | 10km |
| CWDM 25G | ||||||||
| CWDM-SFP28-LR-XX | 25G | 1270-1370 | DFB+PIN | -7~+2 | ≦-14 | SMF | LC | 10km |
| DWDM 25G | ||||||||
| DWDM-SFP28-ER-XX | 25G | CH17-61 | EML+APD | -7~+2 | ≦-14 | SMF | LC | 40km |
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