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OPI155 - High Speed Optically Coupled Isolator

Download the OPI155 datasheet PDF. This datasheet also covers the OPI150 variant, as both devices belong to the same high speed optically coupled isolator family and are provided as variant models within a single manufacturer datasheet.

General Description

Each OPI150 and OPI153 is an optically coupled isolator that contains an infrared emitting diode and a NPN silicon phototransistor (OPI150) or photodarlington (OPI153), each sealed in an individual hermetically sealed package.

Key Features

  • 50 kV electrical isolation.
  • Choice of phototransistor or photodarlington output.
  • High speed 5 Mbit/sec (NRZ) OPI155 only.
  • Hermetically sealed LED and photosensor.
  • Base contact lead for conventional transistor biasing.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OPI150-TT.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Optically Coupled Isolator / High Speed Optically Coupled Isolator OPI150, OPI153, OPI155 Features: • 50 kV electrical isolation • Choice of phototransistor or photodarlington output • High speed 5 Mbit/sec (NRZ) OPI155 only • Hermetically sealed LED and photosensor • Base contact lead for conventional transistor biasing Description: Each OPI150 and OPI153 is an optically coupled isolator that contains an infrared emitting diode and a NPN silicon phototransistor (OPI150) or photodarlington (OPI153), each sealed in an individual hermetically sealed package. The diode and phototransistor or diode and photodarlington are then optically coupled by means of a light pipe and mounted in a high dielectric plastic housing.