TOTX195 fiber optic transmitting module is used for simplex digital signal transmission. The data rate is DC to 10 Mb/s (NRZ code). The transmission distance is up to 50 m. The interface is TTL. The LED is driven by a differential circuit.
The TOTX195 is a simplex digital signal fiber‑optic transmitting module designed for data rates up to 10 Mb/s and transmission distances up to 50 m. It features a TTL interface and an LED driven by a differential circuit.
The document lists electrical and optical characteristics, recommended supply and input voltages, and detailed precautions for soldering, vibration, and disposal. An example application circuit and pin connections are also provided.
| Data Rate | DC to 10 Mb/s (NRZ code) |
|---|---|
| Transmission Distance | Up to 50 m |
| Supply Voltage (Voc) | 4.75 V – 5.25 V (typical 5.0 V) |
| High Level Input Voltage (VIH) | 2.0 V |
| Low Level Input Voltage (VIL) | 0 – 0.8 V |
| Fiber Output Power | -11 dBm to -6 dBm |
| Peak Emission Wavelength | 670 nm |
| Current Consumption | 40 mA – 55 mA |
The recommended supply voltage is 5.0 V typical, with an acceptable range from 4.75 V to 5.25 V.
It can transmit up to 50 meters of optical fiber.
Solder at 260 °C or less for no more than three seconds, and avoid flux contacting the emitting surfaces.
The LEDs are made of Gallium Arsenide (GaAs).