Transmitters & Receivers
Transmitter Optical Sub-Assembly (TOSA)
Our Transmitter Optical Sub-Assemblies (TOSA) are high-performance devices packaged for data communication links. These transmitters are specifically designed to efficiently launch optical power into fibers ranging from single-mode to multimode for up to 25GHz data transmission speed. These products combine features including high bandwidth, high optical power, and efficient coupled power, making them ideal transmitters for integration into all types of data communication equipment. The mechanical package is intended for PC Board or panel mounting.

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Share your wavelength, fiber type, connector, power handling and control requirements and we will qualify the matching configuration and part number.
Model selection
Nearby series comparison
Compare Transmitter Optical Sub-Assembly (TOSA) with the closest available models in the Transmitters & Receivers family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | Transmitter Optical Sub-Assembly (TOSA) (current) | Plug-Play Fiber Optical Transmitter 2.5GHz Analog/Digital | InGaAs/Si Receiver Optical Sub Assembly (ROSA) |
|---|---|---|---|
| Wavelength range | Confirm for this model | 1550 nm, 1310 nm | 1230-1620nm, 400-1000nm, 850nm |
| Optical performance | Confirm for this model | Confirm for this model | Confirm for this model |
| Fiber type | Confirm for this model | Confirm for this model | Confirm for this model |
| Connector / control | Confirm for this model | SC/UPC, FC/APC, Special | Confirm for this model |




