4N38-X009T

Transistor, Photovoltaic Output Optoisolators Overview

The Vishay 4N38-X009T is a single-channel transistor output optocoupler featuring an NPN phototransistor. It provides 5000 Vrms insulation voltage and operates within a temperature range of -55°C to +100°C. The device supports a maximum forward current of 60 mA with a typical forward voltage of 1.5 V. Key electrical parameters include a minimum current transfer ratio of 20%, a maximum collector-emitter voltage of 80 V, and a maximum collector current of 50 mA. It utilizes a 6-SMD gull-wing package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation between input and output circuits
• Features an NPN phototransistor output for signal switching
• Designed for surface-mount assembly applications

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial equipment
• Interface circuits for microprocessor systems
• Switching power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm the exact tape-and-reel configuration and manufacturing date code. Ensure that the selected component matches the required thermal and electrical specifications for the target application environment. Cross-reference the datasheet revision to confirm compliance with current regulatory standards before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when surface-mount packaging is required for the 4N38 series functionality. Compare the 20% minimum CTR against circuit requirements to ensure adequate noise margin. Consider the 80 V collector-emitter voltage rating for load compatibility. Verify that the 6-SMD footprint aligns with the PCB layout constraints and assembly capabilities available.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the 4N38 family of transistor output optocouplers manufactured by Vishay Semiconductor Opto Division. The X009T suffix indicates a specific surface-mount variant designed for automated assembly processes. It shares core electrical characteristics with through-hole equivalents but differs in physical packaging and mounting style.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

• 4N38-300E

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum collector-emitter voltage rating?

The maximum collector-emitter voltage is rated at 80 V.

Does this component have a base connection?

No, the standard 4N38-X009T features an NPN phototransistor without a base terminal.