ISOM8110DFHRQ1

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8110DFHRQ1 is a single-channel automotive-grade transistor output optocoupler from Texas Instruments, designed for DC input applications. It features a phototransistor output and utilizes an SOIC-4 surface-mount package. The device provides 3750 Vrms insulation voltage and supports a maximum forward current of 50 mA with a forward voltage of 1.4 V. Key electrical parameters include a collector-emitter saturation voltage of 300 mV, a reverse voltage of 7 V, and power dissipation of 290 mW. The current transfer ratio ranges from 80% to 180%, with a typical value of 130%. Timing characteristics specify a rise time of 3.2 µs and a fall time of 4 µs. It operates within a temperature range of -40°C to +125°C and holds AEC-Q100 qualification.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• High isolation voltage capability of 3750 Vrms
• Single-channel configuration with phototransistor output
• SOIC-4 surface-mount package design

Transistor, Photovoltaic Output Optoisolators Applications

• Automotive DC-input signal isolation
• Transistor-output interface circuits in vehicles
• Industrial control systems requiring high isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (DFHRQ1) against official Texas Instruments documentation to confirm the exact current transfer ratio binning and packaging type. Ensure that the AEC-Q100 qualification status aligns with project requirements. Confirm moisture sensitivity levels and recommended reflow profiles prior to assembly. Cross-reference the datasheet revision history for any updates to electrical limits or mechanical dimensions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when automotive-grade reliability and high isolation are required for single-channel DC applications. Compare the 3750 Vrms rating against system isolation needs. Evaluate the 80-180% CTR range against drive circuit requirements. Consider the SOIC-4 footprint for PCB layout constraints. Verify thermal performance within the specified operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISOM8110 series of single-channel optocouplers. It shares the same package and basic topology as other variants like ISOM8110DFGRQ1 but differs in current transfer ratio specifications. The Q1 suffix denotes automotive qualification. It is distinct from higher-isolation models like the ISOM8112 series which offer 5000 Vrms.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

ISOM8110DFGRQ1 offers similar specifications with potentially different CTR binning. Verify pinout compatibility and electrical parameter overlaps before substitution.