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The TLP127(V4-TPR,U,F) is a mini flat coupler manufactured by Toshiba Semiconductor and Storage, designed for surface mount assembly. It integrates a gallium arsenide infrared emitting diode with a Darlington photo transistor featuring an integral base-emitter resistor. The device provides a collector-emitter voltage of 300V (min.), a current transfer ratio of 1000% (min.), and an isolation voltage of 2500Vrms (min.). It operates within a temperature range of -55°C to +100°C.
Verify the specific suffix codes against official Toshiba documentation to confirm pinout compatibility and package dimensions. Ensure the selected variant meets the required isolation voltage ratings for your circuit design. Confirm RoHS compliance status if environmental regulations apply to your manufacturing process.
Select this component when high gain is required due to the Darlington output structure. Consider the thermal dissipation limits during operation. Verify that the input forward current requirements align with your driving logic levels. Check the isolation voltage rating against system safety standards.
This part belongs to the TLP127 series of mini flat couplers from Toshiba. It is distinct from standard DIP packages by utilizing a small outline format suitable for automated surface mount technology. The series is recognized for its compact size and reliability in industrial control environments.
Public confirmed substitute part numbers are not available in the provided source material.