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| Categories | SFP Fiber Transceivers | 
|---|---|
| Brand Name: | E-link | 
| Model Number: | LNK-SFP50G-ER | 
| Certification: | ROHS,FCC,CE | 
| Place of Origin: | China | 
| MOQ: | 1 pcs | 
| Price: | $5-2579 | 
| Payment Terms: | T/T, Western Union, MoneyGram, Paypal | 
| Supply Ability: | 1000 pcs/month | 
| Delivery Time: | 5-12 working days | 
| Packaging Details: | SFP Fiber Transceivers Standard Export Package | 
| Keyword: | Ethernet SFP transceiver | 
| Data Rate: | 50GB Ethernet | 
| Fiber Type: | Single Mode Duplex LC | 
| Transmission distance: | 40KM | 
| Support: | Digital Diagnostic Monitoring | 
| Operating Temperature: | 0°C ~ 70°C | 
| Company Info. | 
| E-link China Technology Co.,LTD | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Fiber Optic Module 50G ER QSFP28 40KM Transceiver Duplex LC
Connector
50G QSFP Transceiver Advantages
► Compliant with QSFP28 Standard
► Single 3.3V Supply Voltage
► Maximum power consumption 4.5W
► EML laser and APD Receiver
► QSFP28 MSA package with duplex LC connector
Transmitter Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes | 
| Wavelength | λ | 1304.5 | 1311 | 1317.5 | nm | |
| Side-mode suppression ratio | SMSR | 30 | dB | |||
| Average launch power | POUT | 0.4 | - | 6.63 | dBm | |
| Average launch power of OFF transmitter | POUT_OFF | - | - | -15 | dBm | |
| Outer Optical Modulation Amplitude (OMAouter) | POUTL | 3.4 | - | 7.4 | dBm | |
| Extinction ratio | ER | 6 | - | - | dB | |
| Launch power in OMAouter minus TDECQ | OMA-TDECQ | 2 | - | - | dBm | |
| Transmitter and dispersion eye closure for PAM4 (TDECQ) | TDECQ | - | - | 3.2 | dB | Note | 
| Transmitter reflectance | - | - | -26 | dB | 
Receiver Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes | 
| Wavelength | λ | 1304.5 | 1311 | 1317.5 | nm | |
| Receiver sensitivity (OMAouter) | max(−15.1, SECQ − 16.5) | dBm | Note | |||
| Damage Threshold | P_damage | -2.37 | - | - | dBm | |
| Overload | -3.37 | - | - | dBm | ||
| Average Receive Power | - | -17.6 | - | -3.37 | dBm | |
| Receive power (OMAouter) | OMA | - | - | -2.6 | dBm | |
| Receiver Reflectance | RXR | - | - | -26 | dB | |
| LOS assert | LOSA | -30 | dBm | |||
| LOS de-assert | LOSD | -20 | dBm | |||
| LOS hysteresis | LOSH | 0.5 | dB | 
QSFP+ Module Pad Layout


Ordering Information
| Part Number | Application | Data Rate | Laser Source | Fiber Type | 
| LNK-SFP50G-ER | 50GBASE-ER | 53.125 Gb/s | EML Laser | SMF | 
|   | 
 MTP / MPO 12 MMF SFP Fiber Transceivers 100GBASE-SR4 QSFP28 850nm 100m DOM
                                                                                    
                        
                        
                        
                                                            MTP / MPO 12 MMF SFP Fiber Transceivers 100GBASE-SR4 QSFP28 850nm 100m DOM
                                                    
                        
                     100GBASE-ZR4 SFP Fiber Transceivers QSFP28 1310nm 80km DOM Duplex LC SMF
                                                                                    
                        
                        
                        
                                                            100GBASE-ZR4 SFP Fiber Transceivers QSFP28 1310nm 80km DOM Duplex LC SMF
                                                    
                        
                     100GBASE-ER4 SFP Fiber Transceivers QSFP28 40km DOM Duplex LC SMF
                                                                                    
                        
                        
                        
                                                            100GBASE-ER4 SFP Fiber Transceivers QSFP28 40km DOM Duplex LC SMF
                                                    
                        
                     400GBASE-LR8 SFP Optical Transceiver Module OSFP-DD 10km DOM Duplex LC SMF
                                                                                    
                        
                        
                        
                                                            400GBASE-LR8 SFP Optical Transceiver Module OSFP-DD 10km DOM Duplex LC SMF
                                                    
                        
                     MTP/MPO 12 SMF SFP Fiber Transceivers 400G DR4 QSFP-DD 500m DOM
                                                                                    
                        
                        
                        
                                                            MTP/MPO 12 SMF SFP Fiber Transceivers 400G DR4 QSFP-DD 500m DOM
                                                    
                        
                     12W SFP Transceiver Module 400Gbps DR4 QSFP-DD 2km DOM MTP / MPO 12 SMF
                                                                                    
                        
                        
                        
                                                            12W SFP Transceiver Module 400Gbps DR4 QSFP-DD 2km DOM MTP / MPO 12 SMF
                                                    
                        
                     400GBASE-ER8 SFP Fiber Transceivers QSFP-DD 40km DOM Duplex LC SMF
                                                                                    
                        
                        
                        
                                                            400GBASE-ER8 SFP Fiber Transceivers QSFP-DD 40km DOM Duplex LC SMF
                                                    
                        
                     400G-FR4 SFP Fiber Optic Transceiver QSFP-DD 2km DOM Duplex LC SMF
                                                                                    
                        
                        
                        
                                                            400G-FR4 SFP Fiber Optic Transceiver QSFP-DD 2km DOM Duplex LC SMF
                                                    
                        
                     400GBASE-LR8 SFP Fiber Transceivers QSFP-DD 10km DOM Duplex LC SMF
                                                                                    
                        
                        
                        
                                                            400GBASE-LR8 SFP Fiber Transceivers QSFP-DD 10km DOM Duplex LC SMF
                                                    
                        
                     100GBASE-DR1 Ethernet SFP Transceiver 100G QSFP28 Transceiver Duplex LC 1310nm 500m
                                                                                    
                        
                        
                        
                                                            100GBASE-DR1 Ethernet SFP Transceiver 100G QSFP28 Transceiver Duplex LC 1310nm 500m