EL814S(TA)-V

Overview

The EL814S(TA)-V is a single-channel optocoupler manufactured by Everlight Electronics. It features an AC/DC input phototransistor output configuration housed in a surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a typical forward voltage of 1.2 V, and a maximum DC forward current of 60 mA. The current transfer ratio ranges from 50% to 150% at a forward current of 1 mA. Operating temperature spans from -55°C to 110°C.

Feature Summary

• AC input response capability due to inverse parallel infrared emitting diodes
• High isolation voltage ensuring safety between input and output sides
• Compact surface-mount packaging for automated assembly

Applications

• Digital logic signal transmission and conversion
• Power supply control and switching circuits
• Electrical insulation isolation between circuits and systems

Procurement Notes

Verify the specific suffix TA against official Everlight documentation to confirm pinout and reel specifications. Ensure compliance with RoHS and lead-free requirements as indicated by the -V suffix. Cross-reference datasheet revisions to confirm parameter stability before integration into production designs.

Selection Notes

Select this component when AC input detection is required alongside transistor output switching. The wide operating temperature range supports industrial environments. Verify that the 80 V output voltage rating meets the load requirements of the downstream circuitry during selection.

Part Context

This part belongs to the EL814 series, which utilizes two infrared LEDs connected in inverse parallel coupled to a phototransistor. This architecture enables bidirectional or AC signal handling. The series is designed for general-purpose isolation applications requiring reliable performance across varying thermal conditions.

Replacement Considerations

Equivalent parts may include other AC-input transistor-output optocouplers with similar 5000 Vrms isolation and SMD-4 packages. Verify pin compatibility and CTR specifications before substitution.