The TOTX178 is a fiber‑optic transmitting module designed for digital audio equipment. It offers a 660 nm peak emission wavelength, up to 6 Mb/s data rate, and low‑power operation with typical supply voltage of 5 V.
The document lists electrical and optical characteristics, recommended operating ranges, connection diagrams, and detailed handling, soldering, and disposal guidelines to ensure reliable performance and safety.
| Storage Temperature | -40 to 70 °C |
|---|---|
| Operating Temperature | -20 to 70 °C |
| Supply Voltage (absolute max) | 0.5 to 7 V |
| Supply Voltage (typical) | 5.0 V (4.75‑5.25 V range) |
| High Level Input Voltage (VIH) | 2.0 V |
| Low Level Input Voltage (VIL) | 0.8 V |
| Data Rate | up to 6 Mb/s |
| Peak Emission Wavelength | 660 nm |
| Current Consumption | 13‑20 mA |
| Soldering Temperature | ≤ 260 °C, ≤ 3 s |
The typical supply voltage is 5.0 V, with an acceptable range from 4.75 V to 5.25 V.
The module can operate up to 70 °C.
Solder at 260 °C or less for no more than three seconds.
Dispose according to local regulations, avoid releasing GaAs dust, and do not mix with regular waste.