| PartNumber | FWLF1631R42 | FWLF1631R44 | FWLF1631R40 |
| Description | Fiber Optic Transmitters, Receivers, Transceivers 45 CHNLS C-Bnd APD SFP transcvr 3.3V LC | Fiber Optic Transmitters, Receivers, Transceivers 15xxnm DFB, 45 DWDM channels (C-band), A | Fiber Optic Transmitters, Receivers, Transceivers 15xxnm DFB, 45 DWDM channels (C-band), A |
| Manufacturer | Finisar | Finisar | Finisar |
| Product Category | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers |
| RoHS | Y | - | - |
| Product | Transceivers | - | - |
| Data Rate | 2.7 GBd | - | - |
| Wavelength | 1520 nm | - | - |
| Fiber Type | Singlemode | - | - |
| Operating Supply Voltage | 3.3 V | - | - |
| Minimum Operating Temperature | - 5 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Package / Case | SFP-20 | - | - |
| Form Factor, or Case Style | SFP | - | - |
| Connector Type | LC | - | - |
| Brand | Finisar | Finisar | Finisar |
| Mounting Style | Panel Mount | - | - |
| Peak Wavelength | 1570 nm | - | - |
| Fall Time | 150 ps | - | - |
| Product Type | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optic Transmitters, Receivers, Transceivers |
| Rise Time | 150 ps | - | - |
| Factory Pack Quantity | 2 | 2 | 2 |
| Subcategory | Fiber Optic | Fiber Optic | Fiber Optic |
| Transmission Distance | 160 km | - | - |
| Part # Aliases | FWLF1631RXX | FWLF1631RXX | FWLF1631RXX |