ACPL-K44T-500E

Transistor, Photovoltaic Output Optoisolators Overview

The ACPL-K44T-500E is a high-speed optocoupler manufactured by Broadcom Limited, designed for automotive applications under the AEC-Q100 qualification standard. It features two channels within an SOIC-16 surface-mount package. Key electrical parameters include a maximum insulation voltage of 5000 Vrms and a power dissipation rating of 100 mW. The device operates with a forward current of 10 mA and a forward voltage of 1.5 V, while supporting a reverse voltage of 5 V. Output characteristics specify a collector current of 8 mA and a current transfer ratio of 165%. The component functions reliably across a temperature range from -40°C to +125°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture providing independent signal isolation paths within a single compact package.
• Automotive-grade reliability certified to AEC-Q100 standards for harsh environment operation.
• High-voltage isolation capability ensuring safe separation between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Applications

• Automotive electronic control units requiring isolated digital communication
• Industrial motor drive systems needing robust signal transmission
• Power supply feedback loops in high-voltage environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix and tape-and-reel configuration against the official datasheet before ordering. Confirm that the AEC-Q100 qualification status meets your project's automotive reliability requirements. Ensure the SOIC-16 footprint matches your PCB layout constraints. Check for any recent lifecycle notices or obsolescence warnings directly from the manufacturer.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required in space-constrained automotive designs. The 5000 Vrms insulation level suits high-noise industrial settings. Consider the 10 mA forward current requirement for driver circuit compatibility. Evaluate the 100 mW power dissipation limit against thermal management capabilities in the final assembly.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the Broadcom ACPL series of logic output optocouplers. It is specifically engineered for automotive markets, distinguishing it from general-purpose variants through rigorous qualification testing. The dual-channel design offers a cost-effective alternative to using separate single-channel devices for multi-signal isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult the official Broadcom replacement guide for verified cross-reference part numbers. Ensure any substitute maintains the same channel count, package type, and AEC-Q100 certification. Verify that electrical parameters such as insulation voltage and current transfer ratio remain compatible with the original design specifications.