Single-channel phototransistor optocoupler in DIP-4 package with 5000V RMS isolation. LED input drives an NPN phototransistor; CTR 50–600% depending on grade suffix. Common for AC mains signal detection and general logic isolation.

Pinout

Logical pinout · physical placement not verified
LTV-817 DIP-4AEKC
  • A1
    Type · Signal
  • K2
    Type · Signal
  • E3
    Type · Signal
  • C4
    Type · Signal

Bare ICs

67 other options

74HC logic gates, MCP3008/MCP23017 ADCs and expanders, 24LC256 EEPROM, 4N25-series optocouplers and ULN2803A drivers — bare DIP chips with no breakout-board conveniences like pull-ups or level shifting.

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