SFH601-1G

Overview

The Isocom Components SFH601-1G is a single-channel transistor output optocoupler housed in a 6-pin DIP package. It features an NPN phototransistor output with a maximum collector-emitter voltage of 100 V and a peak forward current rating of 60 mA. The device provides high isolation capability, rated at 5300 Vrms, ensuring reliable signal transmission across isolated circuits. Key electrical parameters include a typical current transfer ratio (CTR) range of 40% to 80%, a maximum input forward voltage of 1.65 V, and a power dissipation limit of 150 mW. Operating temperatures span from -55°C to +100°C, supporting robust performance in demanding industrial environments.

Feature Summary

• Provides galvanic isolation between input and output circuits using infrared LED and phototransistor technology.
• Features high insulation voltage rating for safe operation in high-voltage switching applications.
• Offers wide operating temperature range suitable for harsh industrial and commercial environments.

Applications

• Industrial control systems requiring signal isolation
• Power supply units for feedback loop isolation
• Solid-state relay driver circuits

Procurement Notes

Verify the specific suffix 'G' against official Isocom documentation to confirm lead frame plating or RoHS compliance status. Ensure the ordering part number matches the exact pin configuration and isolation voltage requirements of your design. Cross-reference datasheet revisions to confirm parameter stability before finalizing procurement specifications.

Selection Notes

Select this component when a standard DIP-6 form factor is required for through-hole assembly. Consider the CTR range and isolation voltage ratings to ensure compatibility with the driving circuit and load requirements. Verify that the thermal dissipation capabilities meet the system's operational constraints under continuous duty cycles.

Part Context

This component belongs to the SFH601 series of transistor output optocouplers. Isocom Components manufactures these devices as direct replacements for industry-standard parts, maintaining identical pinouts and electrical characteristics. The series is designed for general-purpose isolation tasks in various electronic applications.

Replacement Considerations

Direct replacement candidates include Vishay SFH601-1 and Infineon SFH601-1. Verify pinout compatibility and isolation voltage ratings before substitution. Ensure the alternative part meets the same mechanical and environmental specifications.

FAQ

What is the maximum isolation voltage of the SFH601-1G?

The device supports an isolation voltage of 5300 Vrms.

Does the SFH601-1G support surface mount mounting?

No, the SFH601-1G is specified for through-hole installation in a DIP-6 package.