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The TLP127(PSE-TPL,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 phototransistor output featuring an integrated base-emitter resistor. The device provides electrical isolation between input and output circuits with a rated isolation voltage of 2500 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 300V, a forward current of 50 mA, and a dissipation power of 200 mW. The unit operates within a temperature range of -55°C to 110°C and utilizes a 6-MFSOP package.
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix (PSE-TPL,U,F) matches the required packaging and lead-free specifications. Check for obsolescence status as some variants may be discontinued. Ensure compliance with RoHS standards if required by the application. Validate datasheet revisions against the specific batch production date.
Select this component when a compact surface mount optocoupler with integrated base resistance is required. The 300V output voltage rating supports higher voltage isolation needs compared to standard 80V devices. The wide operating temperature range makes it suitable for industrial environments. Consider the obsolete status of this specific suffix variant when planning long-term production runs.
This part belongs to Toshiba's mini flat coupler series, which are small outline optocouplers intended for space-constrained PCB designs. The TLP127 family typically pairs an infrared LED with a phototransistor. Variants differ in packaging suffixes and specific electrical tolerances. This model represents a specific configuration within the broader TLP127 product line.
Public confirmed substitute part numbers: TLP187.