TLP127(CANOD-TPL,F

Overview

The TLP127 is a small outline optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an aluminum gallium arsenide infrared emitting diode with a Darlington phototransistor featuring an integrated base-emitter resistor. The device provides electrical isolation between input and output circuits, offering a collector-emitter voltage of 300V and an isolation voltage rating of 2500 Vrms. Designed for surface mount assembly, it utilizes a compact SOP-6 package to facilitate automated PCB placement while maintaining high current transfer characteristics suitable for digital signal transmission.

Feature Summary

• Integrates an infrared LED with a Darlington phototransistor including a built-in base-emitter resistor
• Provides high-voltage isolation capability between input and output circuits
• Features a compact surface-mount package designed for automated assembly processes

Applications

• Programmable logic controllers
• DC-output modules
• Telecommunications equipment

Procurement Notes

Verify the specific suffix designation against official Toshiba documentation to confirm pinout configuration and tape-and-reel specifications. Ensure the selected variant matches the required isolation voltage ratings and operating temperature range for the target application environment. Cross-reference the manufacturer part number with authorized distributors to confirm component authenticity and availability status prior to procurement.

Selection Notes

Select this component when high gain is required due to the Darlington output structure. Consider the package dimensions and thermal dissipation limits during layout design. Verify that the input forward current requirements align with the driving circuit capabilities. Evaluate the isolation voltage requirements against the system's safety standards to ensure adequate protection margins are maintained throughout the operational lifetime.

Part Context

This component belongs to the Toshiba TLP127 series of small outline optocouplers. The series is characterized by its integration of an infrared emitter with a high-gain photodetector in a compact form factor. These devices are engineered to provide reliable signal transmission across isolated boundaries in space-constrained electronic designs requiring galvanic separation.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.