EL207(TA)

Overview

The EL207(TA) is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an infrared emitting diode coupled to an NPN phototransistor with a base terminal for enhanced switching performance. The device provides high isolation voltage of 3750Vrms and operates within a temperature range of -55°C to 110°C. Packaged in an 8-SOP surface-mount format, it supports DC input control. Key electrical characteristics include a maximum forward current of 60 mA, collector-emitter saturation voltage of 400 mV, and typical rise/fall times of 1.6 µs and 2.2 µs respectively.

Feature Summary

• Integrates an infrared LED with an NPN phototransistor featuring a dedicated base pin for improved switching speed and linearity.
• Provides robust electrical isolation between input and output circuits rated at 3750Vrms.
• Designed for surface-mount assembly in compact 8-pin SOP packages suitable for automated manufacturing.

Applications

• Signal isolation in industrial control systems
• Interface circuits for microcontrollers and logic families
• Power supply feedback loops

Procurement Notes

Verify the specific suffix (TA) against the manufacturer's latest datasheet to confirm package dimensions and tape-and-reel specifications. Ensure compliance with RoHS3 directives as indicated in official documentation. Confirm availability status directly with authorized distributors, as component lifecycle stages may affect procurement options.

Selection Notes

Select this component when single-channel isolation with base-driven phototransistor output is required. Consider the 8-SOP footprint for space-constrained PCB layouts. Evaluate the 3750Vrms isolation rating against system safety requirements. Verify that the NPN output type aligns with the downstream circuit interface needs.

Part Context

This part belongs to the EL20x series of transistor output optocouplers from Everlight. The series typically includes variants like EL207 and EL209, differing primarily in channel count or internal configuration. The EL207(TA) specifically denotes the single-channel version with base access, distinguishing it from dual-channel counterparts or standard versions without base terminals.

Replacement Considerations

Check for direct substitutes such as the ELD207(TA)-V or other EL207 variants from Everlight. Verify pinout compatibility and electrical parameters before substitution. Cross-reference with equivalent parts from other manufacturers ensuring matching isolation voltage and package style.