4N26-X006

Overview

The Vishay 4N26-X006 is a single-channel transistor output optocoupler featuring an NPN phototransistor. It provides 5000 Vrms isolation voltage and operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 70V, a maximum collector current of 100mA, and a forward current of 60mA. The device exhibits a typical current transfer ratio of 50% and a saturation voltage of 500mV. It is housed in a PDIP-6 package with a power dissipation rating of 150mW.

Feature Summary

• Provides high-voltage isolation between input and output circuits
• Features a silicon NPN phototransistor for signal transmission
• Complies with UL listing requirements for safety standards

Applications

• AC mains detection systems
• Reed relay driving circuits
• Switch mode power supply feedback loops
• Telephone ring detection interfaces
• Logic ground isolation applications

Procurement Notes

Verify the specific suffix designation when ordering to ensure correct packaging configuration. Confirm that the procurement channel sources genuine Vishay Semiconductor Opto Division products. Check RoHS compliance status against current regulatory requirements. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Selection Notes

Select this component for applications requiring robust galvanic isolation with standard logic interface compatibility. Consider the PDIP-6 package for through-hole mounting constraints. Evaluate the 5000 Vrms isolation rating against system safety requirements. Assess the operating temperature range suitability for the intended environmental conditions.

Part Context

This part belongs to the 4N2x-X series of industry-standard single-channel phototransistor couplers. The series includes variants like the 4N35, 4N36, 4N37, and 4N38. These devices utilize gallium arsenide infrared LEDs coupled with silicon NPN phototransistors. The manufacturing process employs double molding for enhanced isolation performance.

Replacement Considerations

Compatible substitutes within the same family include the 4N35, 4N36, 4N37, and 4N38 models. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure the replacement part meets the required isolation voltage and package type specifications.