PS9905-NR-AX

Isolators - Gate Drivers Overview

The PS9905-NR-AX is a high-speed optocoupler featuring an integrated gate driver output, manufactured by CEL. It provides electrical isolation with a rated voltage of 7500Vrms and supports a single channel configuration. The device delivers an output current capability of 2.6A, designed for robust IGBT gate drive applications. It utilizes an 8-LSDIP package to accommodate creepage distances up to 14.5 mm. Key performance metrics include high common-mode rejection ratios (CMR) and fast switching speeds suitable for demanding power electronics environments.

Isolators - Gate Drivers Feature Summary

• Integrated gate driver output for direct IGBT control
• High isolation voltage rating of 7500Vrms
• High common-mode rejection for noise immunity
• Optimized for large creepage distance requirements

Isolators - Gate Drivers Applications

• IGBT gate drive circuits
• Industrial motor drives
• Power supply isolation interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'NR' against the manufacturer's latest documentation to confirm lead-free status and RoHS compliance details. Ensure the 8-LSDIP package dimensions match the target PCB layout constraints. Cross-reference the part number with official CEL distributors to confirm current availability status, as component lifecycles may change. Validate that the 7500Vrms isolation rating meets the safety standards required for the specific end-use application environment.

Isolators - Gate Drivers Selection Notes

Select this component when high current drive capability is required for IGBTs without external buffer circuits. The 7500Vrms isolation makes it suitable for high-voltage industrial systems. Consider the 8-LSDIP package for applications requiring significant creepage clearance. Compare CMR specifications against other isolators if operating in high-noise environments. Ensure the forward current and voltage parameters align with the driving logic level capabilities.

Isolators - Gate Drivers Part Context

The PS9905 series from CEL represents a line of high-performance photocouplers designed for power electronics. These devices integrate photodiode inputs with gate driver outputs to simplify circuit design. The NR variant typically denotes specific packaging or environmental compliance attributes within the product family. This series is engineered to replace discrete isolation solutions, offering compactness and enhanced reliability in high-power switching applications.

Isolators - Gate Drivers Replacement Considerations

Check for PS9905-Y-AX or PS9905-F3-NR-AX as potential variants within the same family. Verify pinout compatibility and electrical parameter equivalence before substitution. Confirm that any alternative maintains the 7500Vrms isolation rating and 2.6A output current capability.