ISOM8117DFHR

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8117DFHR is a single-channel transistor output optocoupler from Texas Instruments, housed in an SOIC-4 surface-mount package. It features a phototransistor output with a maximum collector-emitter voltage of 80 V and a maximum collector current of 50 mA. The device provides an insulation voltage of 3750 Vrms and operates within a temperature range of -55°C to +125°C. Key electrical parameters include a forward current of 50 mA, a forward voltage of 1.5 V, and a power dissipation of 290 mW. Typical performance metrics specify a rise time of 3.2 µs, a fall time of 4 µs, and a reverse voltage of 7 V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using AC input configuration.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in measurement equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix DFHR confirms the SOIC-4 package and reel/cut tape availability. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure design compatibility with the specified operating temperature range and thermal dissipation requirements for the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-voltage isolation is required for single-channel signal transmission. The AC input specification distinguishes it from DC-input variants within the ISOM811x family. Consider the phototransistor output speed and current transfer ratio relative to system timing constraints and load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISOM811x series of single-channel opto-emulators by Texas Instruments. These devices are designed to replace traditional optocouplers in applications requiring robust isolation. The series includes various input configurations, with this specific model utilizing an AC input interface.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes within the same family include ISOM8116DFHR (AC input) and ISOM8118DFHR (AC input). Verify pinout and electrical characteristics against datasheets before substitution.