Shenzhen Nufiber Systems Technology Co., Ltd.
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25Gb/s SFP28 Transceiver SFP28-28G-LR dual fiber singleimode 10km 1310nm LC DDM
The NuFiber SFP-25G-LR is is a single-channel, pluggable, fiber-optic SFP28 transceiver module for 25G Ethernet and InfiniBand EDR applications. It is a high performance module for short-range data communication and interconnect applications which operate at 25.78125Gb/s up to 10km. This module is designed to operate over single mode fiber systems using a nominal wavelength of 1310nm. The electrical interface uses a 20 contact edge type connector. The optical interface uses duplex LC receptacle. This module incorporates Gigalight Technologies proven circuit and technology to provide reliable long life, high performance, and consistent service.
Features
Applications
Optical Parameters
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |
| Transmitter | |||||||
| Data rate | BR | 25.78 | 28.05 | Gbps | |||
| Centre Wavelength | λc | 1295 | 1310 | 1325 | nm | ||
| Spectral Width (-20dB) | σ | 1 | nm | ||||
| Average Output Power | Pavg | -1.5 | 2 | dBm | |||
| Optical Power OMA | POMA | -6.4 | 3 | dBm | |||
| Extinction Ratio | ER | 3.5 | dB | ||||
| Differential data input swing | VIN,PP | 180 | 700 | mV | |||
| 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 | |||||||
| Data rate | BR | 25.78 | Gbps | ||||
| Centre Wavelength | λc | 1295 | 1310 | 1325 | nm | ||
| Receiver Sensitivity (OMA) | Psens | - | - | -13.0 | dBm | ||
| Receiver Power (OMA) | -13 | dBm | |||||
| LOS De-Assert | LOSD | -12 | dBm | ||||
| LOS Assert | LOSA | -13 | dBm | ||||
| LOS Hysteresis | 0.5 | dB | |||||
| Differential data output swing | Vout,PP | 300 | 900 | mV | |||
| LOS | High | 2.0 | Vcc | V | |||
| Low | 0.8 | V | |||||
Ordering information
| Part Number | Rate(bps) | Wave(nm) | Cable Type | Interface | Reach | Optical Components |
| 25G SFP28 | ||||||
| SFP28-25G-SR | 25G | 850nm | MMF | LC duplex | 100m | VCSEL 850nm |
| SFP28-25G-LR | 25G | 1310nm | SMF | LC duplex | 10km | DFB 1310nm |
| 100G QSFP28 | ||||||
| QSFP28-100G-SR4-S | 103.1 Gbp | 850nm | MMF | MTP/MPO-12 | 100m | VCSEL 850nm |
| QSFP28-100G-LR4-S | 103.1 Gbp | 1310nm | SMF | LC duplex | 10km | DML 1310nm |
| QSFP28-100G-PSM4-S | 103.1 Gbp | 1310nm | SMF | MTP/MPO-12 | 500m | 4x DFB |
| QSFP28-100G-SM-SR | 103.1 Gbp | CWDM 1271~1331nm | SMF | LC duplex | 2km | DML CWDM |
| QSFP28-100G-eCWDM4-S | 103.1 Gbp | CWDM 1271~1331nm | SMF | LC duplex | 10km | DML CWDM |
| QSFP28-100G-ER4L-S | 103.1Gbps | 1310nm | SMF | LC Duplex | 25km-40km | 4x EML |
| 100G CFP/CFP2/CFP4 | ||||||
| CFP-100G-SR10 | 103.1 Gbp | 850nm | MMF | MTP/MPO-24 | 150m@OM4, 100m@OM3 | 10x VCSEL |
| CFP-100G-LR4 | 103.1 Gbp | 1310nm | SMF | LC duplex | 10km | 4x DFB |
| CFP-100G-ER4 | 103.1 Gbp | 1310nm | SMF | LC duplex | 40km | 4x DFB |
| CFP2-100G-SR10 | 112Gbps | 850nm | MMF | MTP/MPO | 300m@OM3, 400m@OM4 | 10x VCSEL |
| CFP2-100G-LR4-D | 112Gbps | 1310nm | SMF | LC duplex | 10km | 4x DFB |
| CFP2-100G-ER4 | 113Gbps | LWDM (1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm) | SMF | LC duplex | 40km | 4x DFB |
| CFP4-100GBASE-LR4 | 112Gbps | 1310nm | SMF | LC duplex | 10km | 4x DFB |
Packaging & Shipping
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