SI8261BAD-C-ISR

Isolators - Gate Drivers Overview

The SI8261BAD-C-ISR is a single-channel isolated gate driver from Skyworks Solutions, designed as a digital CMOS drop-in replacement for optocoupler drivers. It features capacitive coupling technology with a 5 kV isolation rating and operates within a supply voltage range of 5 V to 30 V. The device provides a peak output current of 4 A in a surface-mount SDIP-6 package. It supports an operating temperature range from -40 °C to +125 °C and holds AEC-Q100 qualification for automotive applications.

Isolators - Gate Drivers Feature Summary

• Provides superior common-mode transient immunity and robust performance compared to traditional opto-drivers
• Offers a direct footprint fit for legacy optocoupler designs in industrial and motor control systems
• Ensures long-term reliability suitable for extended product warranty requirements

Isolators - Gate Drivers Applications

• Industrial drives and motor control systems
• Solar power inverters
• Switched-mode power supplies (SMPS)
• Uninterruptible power supplies (UPS)
• High-voltage medical equipment

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix C-ISR against official Skyworks documentation to confirm reel or cut-tape packaging status. Confirm that the 5 kV isolation rating aligns with your system's safety requirements. Ensure the SDIP-6 package dimensions match your PCB layout constraints. Check for any recent Product Change Notifications regarding manufacturing site updates.

Isolators - Gate Drivers Selection Notes

Select this component when replacing legacy optocouplers in high-reliability environments requiring improved common-mode transient immunity. The 4 A drive strength suits medium-power MOSFET and IGBT switching. Verify that the 5 kV isolation barrier meets the creepage and clearance requirements of your application standard. Consider the AEC-Q100 qualification if the design targets automotive compliance.

Isolators - Gate Drivers Part Context

This part belongs to the Si826x family of digital isolators, which utilize silicon dioxide-based capacitive coupling technology. The series replaces optical components to offer higher speed, better thermal stability, and longer lifespan. The SI8261BAD variant specifically denotes the 5 kV isolation class within the single-channel configuration.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.