SFH6319

Overview

The SFH6319 is a high-speed optocoupler from Vishay Semiconductor Opto Division, featuring a single channel in an 8-SOIC surface-mount package. It couples an infrared LED with an integrated photodarlington detector to achieve a typical current transfer ratio of 2800%. The device supports data rates up to 100 kbit/s and offers 4000 Vrms isolation voltage. It operates within a temperature range of -55°C to +100°C, with a maximum forward input current of 1.6 mA and a peak output current capability of 60 mA.

Feature Summary

• Integrates an infrared LED with a high-gain photodarlington detector for enhanced signal transmission.
• Provides robust electrical isolation rated at 4000 Vrms between input and output circuits.
• Designed for high-speed digital signal applications requiring low input drive currents.

Applications

• Logic interface circuits
• Data communication systems
• Industrial control modules

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and tape specifications. Confirm that the component status aligns with project requirements, as availability may vary by region. Cross-reference the RoHS compliance status with current environmental regulations before finalizing procurement orders.

Selection Notes

Select this component when high current transfer ratio and low input current are critical for system efficiency. Ensure the operating temperature range meets the environmental constraints of the target application. Verify that the 8-SOIC package dimensions fit the available PCB footprint and that the isolation voltage rating satisfies safety standards.

Part Context

This part belongs to Vishay's high-speed optocoupler family, designed for applications demanding reliable signal isolation with moderate data throughput. It utilizes standard SOIC-8 packaging compatible with automated surface-mount assembly processes. The device serves as a bridge between low-power logic circuits and higher-current loads while maintaining galvanic separation.

Replacement Considerations

Public confirmed substitute part numbers: None identified in source documentation.