6N139 optocoupler

The 6N139 is a high-speed optocoupler designed to provide electrical isolation between input and output circuits while enabling high-speed signal transmission. It features a high current transfer ratio (CTR) and is capable of operating at high data rates, making it suitable for applications requiring fast and reliable signal isolation. The 6N139 is widely used in industrial automation, telecommunications, and consumer electronics to ensure safe and efficient signal isolation.

Key Features:

• High-speed operation up to 1 Mbps
• High current transfer ratio (CTR) of 50% to 600%
• Low input current requirements
• High isolation voltage
• Low coupling capacitance
• Compact 8-pin DIP package
• Compatible with TTL, LSTTL, and CMOS logic levels

Technical Specifications:

• Isolation Voltage: 5000 VRMS (1 minute)
• CTR (Current Transfer Ratio): 50% to 600% (depending on specific model variations)
• Input Forward Voltage: 1.4V (typical)
• Input Forward Current: 10mA (typical)
• Output Collector-Emitter Voltage: 30V (max)
• Propagation Delay Time (tPLH/tPHL): 2.5µs (typical)
• Operating Temperature Range: -55°C to +100°C
• Package: 8-pin DIP

Applications:

• Industrial Automation: Provides isolation and signal transmission in industrial control systems.
• Telecommunications: Used in communication equipment for signal isolation and protection.
• Consumer Electronics: Ensures safe isolation in electronic devices requiring high-speed signal transmission.
• Power Supplies: Provides isolation in switching power supplies to protect low-voltage circuits from high-voltage transients.
• Medical Equipment: Ensures patient safety by providing electrical isolation in medical devices.
• Data Communication: Used in high-speed data communication systems for reliable signal isolation.

Datasheet:
For detailed technical information, refer to the 6N139 Datasheet.