4N26300

Overview

The onsemi 4N26300 is a high-isolation optocoupler featuring an infrared LED coupled to a phototransistor with a base terminal. It provides a breakdown voltage of 5300 Vrms and operates within a temperature range of -55°C to 100°C. The device utilizes a 6-pin DIP package for through-hole mounting, ensuring reliable signal transmission in electrically noisy environments while maintaining strict safety isolation standards.

Feature Summary

• Provides robust electrical isolation between input and output circuits via an internal infrared LED and phototransistor structure.
• Features a dedicated base terminal on the phototransistor to allow for adjustable sensitivity and faster switching response times.
• Engineered with a 6-pin DIP configuration to facilitate standard through-hole PCB integration and mechanical stability.

Applications

• Industrial control systems requiring galvanic isolation for signal integrity
• Solid-state relay driver circuits for AC/DC load switching
• Microcontroller interface modules for noise-immune data transmission

Procurement Notes

Verify the specific suffix and revision level against the manufacturer's current datasheet to ensure compatibility with your design requirements. Confirm that the 6-DIP package dimensions align with your PCB footprint specifications. Check for any updated regulatory compliance certifications relevant to your target market before finalizing procurement orders.

Selection Notes

Select this component when high-voltage isolation is critical for system safety and noise immunity. The integrated base pin offers design flexibility for optimizing speed versus gain trade-offs. Ensure the operating environment remains within the specified thermal limits to maintain long-term reliability and consistent performance characteristics over time.

Part Context

This device belongs to the broader category of discrete optoelectronic isolators manufactured by onsemi. It serves as a fundamental building block for creating isolated interfaces in power electronics and industrial automation. The product line emphasizes reliability and standardized packaging to support diverse application needs across various electronic industries globally.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout compatibility and isolation voltage ratings before replacing existing components in established designs to prevent circuit malfunction or safety hazards.