| PartNumber | FCLF-8521-3 | FCLF-8520-3 | FCLF8521P2BTL |
| Description | Fiber Optic Transmitters, Receivers, Transceivers 3.3V, RJ-45 conn w/ serial ID, 100m | Fiber Optic Transmitters, Receivers, Transceivers 3.3V, RJ-45 conn w/ serial ID 100m | Fiber Optic Transmitters, Receivers, Transceivers 3.3V, RJ-45 conn w/ serial ID, 100m |
| Manufacturer | Finisar | Finisar Corporation | Finisar Corporation |
| Product Category | Fiber Optic Transmitters, Receivers, Transceivers | Fiber Optics - Transceiver Modules | Fiber Optics - Transceiver Modules |
| RoHS | Y | - | - |
| Product | Transceivers | - | - |
| Data Rate | 1.25 GBd | 1.25Gbs | 1000Mbps |
| Operating Supply Voltage | 3.13 V to 3.47 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Form Factor, or Case Style | SFP | - | - |
| Packaging | Tray | - | - |
| Application | Ethernet | - | - |
| Connector Type | MT-RJ | RJ45 | RJ45 |
| Brand | Finisar | - | - |
| Mounting Style | Snap-In | - | - |
| Product Type | Fiber Optic Transmitters, Receivers, Transceivers | - | - |
| Factory Pack Quantity | 30 | - | - |
| Subcategory | Fiber Optic | - | - |
| Series | - | - | - |
| Mounting Type | - | GBIC | Pluggable, SFP |
| Applications | - | Ethernet | Ethernet |
| Voltage Supply | - | 3.3V | 3.3V |
| Wavelength | - | - | - |