ACPL-K33T-000E

Overview

The ACPL-K33T-000E is a single-channel automotive logic output optocoupler manufactured by Broadcom Limited. It features an SO-8 Stretched package and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a 5000 Vrms isolation voltage, 20 mA forward current, and 1.5 V forward voltage. The device exhibits a rise time of 15 ns and a fall time of 15 ns, with a power dissipation rating of 550 mW. It holds AEC-Q100 qualification for automotive reliability.

Feature Summary

• Features R²Coupler™ isolation technology providing reinforced insulation capabilities
• Designed specifically for driving IGBTs and SiC power MOSFETs in power conversion applications
• Provides fast propagation delay and tight timing skew for precise control

Applications

• Driving IGBTs in AC-DC converters
• Driving SiC power MOSFETs in DC-DC converters
• Automotive power electronics systems

Procurement Notes

Verify the specific suffix '000E' against official Broadcom documentation to ensure correct packaging and material compliance. Confirm that the SO-8 Stretched package dimensions match your PCB layout requirements. Check for updated RoHS status directly from the manufacturer's datasheet before finalizing procurement specifications.

Selection Notes

Select this component when high-speed switching and tight timing skew are required for gate drive isolation. The AEC-Q100 qualification makes it suitable for automotive environments requiring operation up to 125°C. Ensure the 5000 Vrms isolation rating meets the system's safety requirements for AC-DC or DC-DC converter topologies.

Part Context

This part belongs to the ACPL-K33T series of automotive optocouplers. The series utilizes R²Coupler™ technology to deliver reinforced isolation. These devices are engineered for high-reliability applications in electric vehicles and industrial power supplies where precise gate drive signals are critical for efficiency and safety.

Replacement Considerations

Consult official Broadcom substitution guides for verified alternatives. Generic optocouplers may not match the specific timing skew or AEC-Q100 automotive qualification required for this application.