ISOM8112DFGRQ1

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8112DFGRQ1 is a single-channel automotive-grade transistor-output optocoupler manufactured by Texas Instruments. It features a phototransistor output and operates within a temperature range of -55°C to +125°C. Key electrical parameters include an isolation voltage of 3750 Vrms, a maximum collector-emitter voltage of 80 V, and a maximum collector current of 50 mA. The device exhibits a typical current transfer ratio between 255% and 380%, with a forward voltage of 1.4 V at 50 mA forward current. Timing characteristics specify a rise time of 3.2 µs and a fall time of 4 µs. Power dissipation is rated at 290 mW, and it is housed in a SOIC-4 surface-mount package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation for automotive DC-input applications using a transistor output configuration.
• Certified to AEC-Q100 standards for automotive reliability requirements.
• Designed for high-speed signal transmission with defined rise and fall times.

Transistor, Photovoltaic Output Optoisolators Applications

• Automotive DC-input signal isolation
• Transistor-output optical emulation
• High-voltage isolation interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'DFGRQ1' to confirm the SOIC-4 package and reel/cut-tape availability. Ensure the component meets AEC-Q100 qualification requirements for your target automotive application. Cross-reference the manufacturer part number against official Texas Instruments documentation to validate the datasheet version and ensure compliance with specified electrical limits before integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with high current transfer ratio is required for automotive environments. The SOIC-4 package suits space-constrained surface-mount designs. Consider the 3750 Vrms isolation rating and -55°C to +125°C operating range for harsh condition compatibility. Compare against other ISOM811x variants if different CTR or channel counts are needed.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISOM811x series of single-channel optical emulators from Texas Instruments. These devices are designed to replace traditional discrete optocouplers in automotive systems. The series offers pin-compatible solutions supporting 3.75 kVrms isolation. The ISOM8112 variant specifically targets applications requiring higher current transfer ratios compared to lower-end models in the family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct pin-compatible substitutes within the ISOM811x family may exist, such as the ISOM8110 or ISOM8111, though current transfer ratio specifications differ. Verify functional equivalence and isolation ratings before substitution. No other specific cross-model replacements are confirmed in the provided data.