TOTX193 is a fiber optic transmitting module produced by Dongxin Optoelectronics, which conforms to JEITA standard CP-1201, adopts TTL interface, and LED is driven by differential circuit.
The TOTX193 is a fiber‑optic transmitting module designed for digital audio equipment and navigation systems. It conforms to the JEITA CP‑1201 standard, features a TTL interface, and uses a differential‑driven LED.
The document lists maximum ratings, recommended supply and input voltages, data‑rate limits, optical output power, and environmental limits. It also includes application circuit diagrams, soldering guidelines, and safety precautions for the GaAs‑based LEDs and waste handling.
| Supply Voltage (typical) | 5.0 V |
|---|---|
| Data Rate | up to 6 Mb/s |
| Transmission Distance | 0.2 – 10 m |
| Fiber Output Power | -21 – -15 dBm |
| Peak Emission Wavelength | 660 nm |
| Storage Temperature | -40 to 85 °C |
| Operating Temperature | -40 to 85 °C |
| Soldering Temperature | ≤ 260 °C (≤ 10 s) |
The typical supply voltage is 5.0 V, with a minimum of 4.75 V and a maximum of 5.25 V.
The module supports a data rate up to 6 Mb/s.
Yes, the LEDs contain GaAs (Gallium Arsenide) and must be handled to protect people and the environment when scrapped.
Solder at 260 °C or less for no more than ten seconds.