6N138S(TA)

Transistor, Photovoltaic Output Optoisolators Overview

The Everlight 6N138S(TA) is a high-speed optocoupler featuring an infrared emitting diode optically coupled to a split Darlington photodetector with a base output. It provides 5000 Vrms isolation voltage and supports a data rate of 100 kb/s. The device operates within a temperature range of -40°C to +85°C, dissipates up to 100 mW, and utilizes an SMD-8 package. Key electrical parameters include a forward current of 1.6 mA, forward voltage of 1.3 V, reverse voltage of 5 V, and a current transfer ratio of 2000%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a split Darlington photo detector with a base terminal for enhanced gain and speed control
• Provides high-voltage electrical isolation between input and output circuits
• Designed for low input current requirements while maintaining high gain performance

Transistor, Photovoltaic Output Optoisolators Applications

• Digital signal transmission in industrial automation systems
• Isolation interfaces for microcontroller-based control circuits
• Signal coupling in power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (TA) against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Confirm availability through authorized distributors as supply levels may fluctuate. Ensure the selected component matches the required operating temperature range and package type for your specific PCB design constraints.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high gain and moderate speed are required for DC or low-frequency digital signals. The split Darlington configuration offers superior performance compared to standard phototransistor outputs. Consider the 100 kb/s data rate limit and ensure it meets the system's timing requirements before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to Everlight's 6N138/6N139 series of high-speed optocouplers. These devices are engineered to replace older relay or transformer-based isolation methods in compact electronic designs. The series is widely used in applications requiring reliable galvanic isolation with minimal propagation delay.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with 6N138S(TA)-V for potential variant differences. Verify pinout and electrical specifications against equivalent parts from other manufacturers if sourcing alternatives.