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The TLP185(V4GB,TL,SE) is a single-channel phototransistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an infrared LED and a phototransistor in a compact SO-6 surface mount package. The device provides electrical isolation with a minimum isolation voltage of 3750Vrms. Key electrical parameters include a collector-emitter voltage (VCEO) of 80V, a maximum forward current (IF) of 50mA, and a typical forward voltage (VF) of 1.25V. The unit supports a wide operating temperature range from -55°C to +110°C.
Verify the specific suffix 'V4' indicates VDE certification compliance as per official documentation. Confirm the 'GB' grading corresponds to the required minimum Current Transfer Ratio (CTR) specifications for the application. Ensure the 'TL,SE' designation matches the exact tape-and-reel packaging requirements. Cross-reference the datasheet for absolute maximum ratings to prevent thermal overstress during operation.
Select this component when high isolation voltage and compact form factor are required. The GB grade offers specific CTR characteristics suitable for standard logic interfacing. Consider the switching speed limitations inherent to phototransistor outputs compared to faster alternatives. Verify that the 80V collector-emitter voltage rating meets the load requirements of the target circuit design.
This part belongs to the TLP185 series of small outline photocouplers designed for surface mounting. The series is characterized by its ability to provide reliable signal transmission across isolated barriers. Variants within the series differ primarily in CTR grading and safety certification suffixes, allowing designers to select components based on specific regulatory and performance needs.
Public confirmed substitute part numbers are not available in the provided source material.