EL207(TA)-V

Overview

The EL207(TA)-V is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor with a base lead for improved switching performance and isolation capabilities. The device provides a high insulation voltage of 3750 Vrms, ensuring reliable signal transmission between isolated circuits. Key electrical parameters include a maximum collector-emitter voltage of 80V, a typical forward voltage of 1.2V, and a maximum DC forward current of 60 mA. The component operates within a temperature range of -55°C to 110°C and is housed in an 8-SOP package.

Feature Summary

• Integrates an NPN phototransistor with a dedicated base terminal to enhance switching speed and stability compared to standard configurations.
• Provides robust electrical isolation with a rated insulation voltage of 3750 Vrms for safe signal transfer across potential barriers.
• Designed for surface-mount installation in a compact 8-SOP package suitable for automated assembly processes.

Applications

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

Procurement Notes

Verify the specific suffix TA against official Everlight documentation to confirm the inclusion of the base pin feature, as generic part numbers may denote different internal configurations. Ensure compliance with RoHS3 standards if required by your manufacturing process. Cross-reference the 8-SOP footprint dimensions with your PCB layout guidelines before finalizing procurement decisions.

Selection Notes

Select this component when a single channel with enhanced switching characteristics via a base connection is required. Compare the 3750 Vrms isolation rating against system safety requirements. Evaluate the 8-SOP package size constraints relative to available board space. Consider the operating temperature range of -55°C to 110°C for environmental suitability.

Part Context

This component belongs to the ELD20x series of transistor output optocouplers from Everlight. The series is designed for general-purpose isolation applications requiring reliable performance in compact form factors. The EL207 variant specifically denotes the single-channel configuration with base access, distinguishing it from multi-channel or base-less alternatives within the same product family.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs by matching pinout, isolation voltage, and package dimensions before considering alternative components.

FAQ

What is the function of the base terminal on the phototransistor?

The base terminal allows for external connection to improve switching speed and provide additional control over the phototransistor's operation, offering better performance than base-less configurations.

What is the maximum insulation voltage of the EL207(TA)-V?

The device supports an insulation voltage of 3750 Vrms, suitable for applications requiring high isolation between input and output circuits.