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CNY74-2 IC – 2-Channel Optocoupler with Phototransistor IC

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₹57.00 (excluding 18% GST)

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Description

The CNY74-2 consists of two optocoupler channels, each with its own LED and phototransistor. The LEDs emit infrared light when forward biased, which is detected by the corresponding phototransistors. This design allows the device to transmit signals across an isolation barrier while maintaining electrical isolation between the input and output of each channel.

Features

  • Dual Channels: Contains two optocoupler channels in a single package, providing flexibility for isolating multiple signals simultaneously.
  • High Electrical Isolation: Offers isolation voltage up to 5000 VRMS between input and output, ensuring protection against high voltage surges.
  • Compact DIP-8 Package: Housed in an 8-pin Dual Inline Package (DIP-8), which is easy to handle and integrate into circuit boards.
  • High Current Transfer Ratio (CTR): Ensures effective signal transmission across the isolation barrier.
  • Low Input Current Requirement: Operates efficiently with low LED input current, enhancing energy efficiency.
  • Reliable Performance: Known for stable and durable performance across a wide range of operating conditions.
  • TTL and CMOS Compatible: Can interface with TTL and CMOS logic levels, making it suitable for digital applications.

Specifications

  • Input LED Forward Voltage: Typically 1.2V (maximum 1.4V) at 20mA forward current.
  • Input LED Reverse Voltage: Maximum 6V.
  • Isolation Voltage: 5000 VRMS.
  • Current Transfer Ratio (CTR): Typically 100% to 200% at IF = 10mA, VCE = 10V (for each channel).
  • Collector-Emitter Voltage (VCEO): Maximum 70V.
  • Collector Current (IC): Maximum 50mA per channel.
  • Collector-Emitter Saturation Voltage (VCE(sat)): Maximum 0.3V at IC = 2mA, IF = 10mA.
  • Response Time:
    • Rise Time (tr): Typically 5µs.
    • Fall Time (tf): Typically 5µs.
  • Operating Temperature Range: -55°C to +100°C.

Applications

  • Signal Isolation: Provides isolation for two independent signal paths, useful in multi-channel applications.
  • Industrial Automation: Commonly used in control systems where multiple signals need to be isolated and transmitted.
  • Data Communication: Suitable for isolating and protecting digital communication lines.
  • Power Supplies: Used in switch-mode power supplies (SMPS) to isolate feedback signals in multiple channels.
  • Microcontroller Interfacing: Offers isolation for multiple microcontroller I/O lines.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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