SI86S621FC-ISR

Digital Isolators Overview

The SI86S621FC-ISR is a Skyworks Solutions digital isolator from the Si86S6x series, featuring two unidirectional channels with capacitive coupling isolation. It provides a 3750 Vrms insulation voltage and operates within a supply voltage range of 2.25 V to 5.5 V. The device supports data rates up to 150 Mb/s with a propagation delay of 8 ns. It functions reliably across an extended temperature range from -40°C to +125°C and is housed in an SOIC-NB-8 surface-mount package.

Digital Isolators Feature Summary

• Capacitive coupling technology for galvanic isolation
• Automotive-grade reliability certification
• High-speed signal transmission capability
• Wide operating temperature range

Digital Isolators Applications

• Automotive electronic control units
• Industrial communication interfaces
• Power supply monitoring systems
• Motor drive control circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'ASR' or 'ISR' against official Skyworks documentation to confirm packaging and tape-and-reel specifications. Ensure the component meets AEC-Q100 automotive qualification requirements if used in vehicle applications. Cross-reference datasheet revisions to validate parameter consistency before integration into final designs.

Digital Isolators Selection Notes

Select this component when high-density isolation is required in space-constrained automotive or industrial environments. The SOIC-NB-8 package offers a compact footprint suitable for PCBs with limited area. Consider the 3750 Vrms isolation rating for applications requiring robust noise immunity between low-voltage logic and high-voltage power stages.

Digital Isolators Part Context

This part belongs to the Si86S6x family of automotive-grade digital isolators. It complements other Skyworks isolation products by offering a balance of speed, isolation voltage, and small form factor. The series is designed to replace bulky optocouplers in modern electronic systems requiring higher reliability and faster data throughput.

Digital Isolators Replacement Considerations

SI86S621FC-ASR

Digital Isolators FAQ

What is the maximum data rate supported by this isolator?

The SI86S621FC-ISR supports data rates up to 150 Mb/s.

Is this component qualified for automotive applications?

Yes, it is certified under the AEC-Q100 standard for automotive use.