6N137S-TA1-L

The 6N137S-TA1-L is an optocoupler manufactured by Lite-On, designed for high-speed data communication and isolation in electronic circuits. This component is particularly useful in applications where electrical isolation is necessary between different parts of a system, such as in power supplies, data transmission, and signal processing.

Key Features:

1. Isolation Voltage: The 6N137S-TA1-L provides a high isolation voltage, typically rated at 5,000 Vrms, ensuring that the input and output sides are electrically isolated from each other. This is crucial for protecting sensitive components from high voltages.

2. High-Speed Operation: This optocoupler is capable of high-speed switching, with a typical propagation delay of around 15 microseconds and a rise/fall time of approximately 10 microseconds. This makes it suitable for applications requiring fast signal transmission.

3. Input and Output Configuration: The device features a phototransistor output, which is activated by an infrared LED input. When the LED is forward-biased, it emits light that activates the phototransistor, allowing current to flow from the collector to the emitter.

4. Wide Operating Temperature Range: The 6N137S-TA1-L operates effectively over a wide temperature range, typically from -40°C to +100°C, making it suitable for various environmental conditions.

5. Compact Package: The component is housed in a compact DIP-8 package, which allows for easy integration into circuit boards and minimizes space requirements.

6. Low Input Current: The device requires a low input current to operate, which enhances its efficiency and reduces power consumption in applications.

7. Applications: Common applications for the 6N137S-TA1-L include data communication interfaces, microcontroller isolation, switching power supplies, and signal isolation in industrial automation systems.

Electrical Characteristics:

• Input Forward Voltage (Vf): Typically around 1.2V at 10 mA.
• Output Collector-Emitter Voltage (Vce): Maximum rating of 80V.
• Output Current (Ic): Can handle up to 50 mA.
• Current Transfer Ratio (CTR): Typically ranges from 100% to 600%, depending on the specific conditions.

Conclusion:

The 6N137S-TA1-L from Lite-On is a versatile and reliable optocoupler that provides essential isolation and high-speed performance for a variety of electronic applications. Its robust design and efficient operation make it a popular choice among engineers and designers looking to enhance the safety and reliability of their circuits.