EL0453(TA)-V

Overview

The EL0453(TA)-V is a high-speed optocoupler manufactured by Everlight Electronics Co Ltd. It features an infrared emitting diode optically coupled to a phototransistor output, housed in an 8-pin SOP package. The device supports data transmission rates up to 1MBit/s and offers an isolation voltage of 3.75kV. Key electrical parameters include a forward voltage of 1.45V, collector-emitter saturation voltage of 20V, and propagation delays of 1.5us for both rise and fall times. The current transfer ratio ranges from 5% to 50%, with a maximum input current of 25mA.

Feature Summary

• High-speed signal transmission capability supporting 1MBit/s data rates
• Galvanic isolation between input and output circuits via optical coupling
• Compact surface-mount packaging suitable for automated assembly processes

Applications

• Industrial communication interfaces requiring noise immunity
• Microprocessor system isolation for signal integrity
• Power supply feedback loops for circuit protection

Procurement Notes

Verify the specific suffix designation during procurement to ensure compatibility with tape and reel packaging requirements. Confirm that the component meets all relevant environmental compliance standards required for the target application. Cross-reference the manufacturer part number with official distributor catalogs to avoid substitution errors. Ensure storage conditions align with moisture sensitivity levels specified in the datasheet.

Selection Notes

Select this component when high-speed digital isolation is necessary within compact design constraints. Evaluate the current transfer ratio requirements against the load conditions to ensure reliable switching performance. Consider the operating temperature range and thermal management capabilities of the SOP-8 package. Compare propagation delay specifications against system timing requirements to verify signal fidelity.

Part Context

This device belongs to Everlight's family of high-speed transistor photocouplers designed for robust signal isolation. It shares architectural similarities with models like the EL0452 but offers optimized speed characteristics. The product line targets applications demanding fast response times and reliable galvanic separation in noisy electrical environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameter equivalence before considering alternative components from other manufacturers.