ISOM8112DFHRQ1

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8112DFHRQ1 is a single-channel automotive-grade transistor-output optocoupler manufactured by Texas Instruments. It features a phototransistor output and operates within a -40°C to +125°C temperature range. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a forward current of 50 mA, and an isolation voltage of 3750 Vrms. The device exhibits a typical current transfer ratio of 300%, with rise and fall times of 3.2 µs and 4 µs respectively. It is housed in a SOIC-4 surface-mount package and holds AEC-Q100 qualification for automotive reliability.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage galvanic isolation between input and output circuits using optical transmission.
• Designed specifically for automotive applications with robust thermal performance across extended temperature ranges.
• Delivers fast switching speeds suitable for digital signal isolation requirements.

Transistor, Photovoltaic Output Optoisolators Applications

• Automotive DC-input interface isolation
• Gate drive circuit isolation in power electronics
• Microcontroller unit (MCU) I/O isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'DFHR' to confirm the SOIC-4 package and reel/cut-tape packaging configuration. Ensure the component meets AEC-Q100 standards required for your automotive system design. Cross-reference the datasheet for humidity sensitivity levels and storage conditions to prevent moisture-related damage during assembly.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single channel of high-speed isolation with a phototransistor output is required. Consider the 300% typical CTR and 80V collector-emitter voltage limits against your load requirements. Verify that the SOIC-4 footprint aligns with your PCB layout constraints and that the operating temperature range covers your environmental specifications.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISOM811x family of single-channel photoemulators from Texas Instruments. These devices are designed to replace traditional optocouplers while offering improved performance metrics such as higher current transfer ratios and faster switching speeds. The family is tailored for automotive electrification and safety systems requiring reliable signal transmission across isolation barriers.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check pin compatibility with legacy optocouplers if direct replacement is intended. Verify that the new device's current transfer ratio and saturation voltage meet the original circuit's biasing requirements without modification.