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| Categories | 25G SFP28 Transceiver | 
|---|---|
| Brand Name: | NuFiber | 
| Model Number: | SFP28-25G-SR | 
| Certification: | CE FCC Rohs | 
| Place of Origin: | China | 
| MOQ: | 1 piece | 
| Payment Terms: | L/C, T/T, Western Union,Credit Card | 
| Supply Ability: | 10,000 pcs per month | 
| Delivery Time: | Within 1-3 work days | 
| Packaging Details: | 10pcs/plastic bag, 500pcs/carton | 
| Data Rate: | 25Gb/s | 
| Wavelength: | 850nm | 
| Distance: | 100m | 
| Connector: | LC | 
| DDM: | Support | 
| Fiber Type: | Multi Mode Duplex LC | 
| Power Supply: | 3.3V | 
| Working Temperature: | 0~70℃ | 
| Warranty: | 1 year | 
| Compatibility: | Huawei, Cisco, HP, H3C... | 
| Manufacturer: | Yes | 
25Gb/s SFP28 Transceiver SFP28-28G-SR dual fiber multimode 100m 850nm LC DDM
The Nufiber SFP-25G-SR is a single-channel, pluggable, fiber-optic SFP28 transceiver module for 25G Ethernet applications. It is a high performance module for short-range data communication and interconnect applications which operate at 25.78125Gb/s up to 70m using OM3 fiber or 100m using OM4 fiber. This module is designed to operate over multimode fiber systems using a nominal wavelength of 850nm. 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 VCSEL 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 | 840 | 850 | 860 | nm | ||
| Spectral Width (-20dB) | σ | 0.6 | nm | ||||
| Average Output Power | Pavg | -8.4 | 2.4 | dBm | |||
| Optical Power OMA | POMA | -6.4 | 3 | dBm | |||
| Extinction Ratio | ER | 3.5 | dB | ||||
| Differential data input swing | VIN,PP | 40 | 1000 | 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 | 840 | 850 | 860 | nm | ||
| Receiver Sensitivity (OMA) | Psens | - | - | -10.0 | dBm | ||
| Receiver Power (OMA) | 3 | dBm | |||||
| LOS De-Assert | LOSD | -13 | dBm | ||||
| LOS Assert | LOSA | -30 | dBm | ||||
| LOS Hysteresis | 0.5 | dB | |||||
| Differential data output swing | Vout,PP | 300 | 850 | 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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