TOTX173 fiber optic transmitting module, conform to JEITA Standard CP-1201, TTL interface, LED is driven by differential circuit.
The TOTX173 is a fiber‑optic transmitting module designed for digital audio equipment. It uses a TTL interface and a GaAs LED, offering data rates up to 6 Mb/s and a typical output power of –21 to –15 dBm.
The document lists maximum ratings, recommended operating conditions, and detailed precautions for soldering, waste handling, and vibration resistance, helping designers integrate the module safely into their products.
| Supply Voltage (typical) | 5.0 V |
|---|---|
| Maximum Supply Voltage | 7 V |
| Input Voltage Range | 0.5 V to Vcc + 0.5 V |
| Data Rate | up to 6 Mb/s |
| Fiber Output Power | -21 to -15 dBm |
| Peak Emission Wavelength | 660 nm |
| Current Consumption | 15‑25 mA |
| Storage Temperature | -40 °C to 70 °C |
| Operating Temperature | -20 °C to 70 °C |
Use a typical supply voltage of 5.0 V, with an acceptable range of 4.75 V to 5.25 V, and never exceed the maximum of 7 V.
Solder at 260 °C or less and keep the soldering time to ten seconds or less, avoiding flux contact with the emitting surface.
The module can be stored between –40 °C and +70 °C.
It supports NRZ coded data rates up to 6 Mb/s.