Phototransistor optocoupler in DIP-6 package with ~1500V input-to-output isolation. Single channel; LED input drives an NPN phototransistor output. Suitable for logic-level signal isolation between circuits at different potentials.

Pinout

Logical pinout · physical placement not verified
4N28 DIP-6AEKCNCB
  • A1
    Type · Signal
  • K2
    Type · Signal
  • NC3
    Type · Control
  • E4
    Type · Signal
  • C5
    Type · Signal
  • B6
    Type · Control

Bare ICs

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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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