6N136 High Speed Optocoupler

6N136 High Speed Optocoupler 

The 6N136 is a high-speed optocoupler designed for fast digital data transmission and electrical isolation between two circuits. It contains an infrared LED and a photodetector with an open-collector output transistor, optimized to provide high-speed performance while maintaining strong isolation.

Compared to general-purpose optocouplers like 4N35/PC817, the 6N136 provides higher data rates (up to 10 Mbps), lower propagation delay, and better common-mode transient immunity (CMTI). It is also similar to the 6N135, but with a higher CTR (Current Transfer Ratio).

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Features :-

• Isolation test voltages: 5300 VRMS
• TTL compatible
• High bit rates: 1 Mbit/s
• High common-mode interference immunity
• Bandwidth 2 MHz
• Open-collector output
• External base wiring possible
• Reverse voltage (VR) 5V
• Forward current (IF) 25mA
• Storage temperature range (Tstg) -55 to +150°C
• Ambient temperature range (Tamb) -55 to +100°C
• Soldering temperature max. ? 10 s, dip soldering ? 0.5 mm from case bottom (Tsld) 260°C
• Maximum output current 16mA
• Base current (IB) 5mA

Advantages

• Excellent for high-speed digital isolation
• Better immunity to noise and voltage spikes
• Suitable for 3.3V/5V logic systems
• Faster than 6N35/4N35/PC817 series
• Lower delay and higher speed compared to 6N135

Applications

• High-speed digital interface isolation
• Microcontroller to industrial system isolation
• Isolated UART, SPI, I²C (low-speed)
• Switch-mode power supply feedback
• RS232/RS485/RS422 isolated communication
• PLC input/output interface
• Inverter and motor drive control
• Logic level shifting with electrical isolation
• Power electronics and SMPS systems