Technical article2026-07-11
HPO Alarm and Overheat Functions
HPO combines solid-state switching with control, alarm and overheat indication for supervised loads.
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Choose zero-cross for many resistive loads and random turn-on when phase timing must not wait for the next voltage zero.
Choose zero-cross for many resistive loads and random turn-on when phase timing must not wait for the next voltage zero.
Use the applicable HEATA series datasheet and verify the complete operating conditions before design release.
HPO combines solid-state switching with control, alarm and overheat indication for supervised loads.
Read articleUse rated current, trigger mode, heat-sink resistance and ambient derating together when selecting an HPA model.
Read articleReview pin assignment, soldering limits, isolation and temperature derating before PCB release.
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