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The TLP126(ASAD-TPL,F) is a mini flat coupler manufactured by Toshiba Semiconductor and Storage, designed for surface mount assembly. It consists of a photo transistor optically coupled to a gallium arsenide infrared emitting diode connected in inverse parallel. This configuration enables high current transfer ratio at low AC input currents. The device provides an isolation voltage of 3750Vrms minimum and supports DC or AC input types. Key electrical parameters include a collector-emitter voltage of 80V minimum, a forward current maximum of 50mA, and a typical forward voltage of 1.15V. The component operates within a temperature range of -55°C to 100°C and features a 6-MFSOP package with 4 leads.
Verify the specific suffix ASAD against official Toshiba documentation to confirm if it denotes a unique tape-and-reel specification or packaging variant distinct from standard TPL/F designations. Confirm RoHS compliance status and check for any end-of-life notifications as related TLP126 variants may have discontinued statuses. Ensure the supplier provides valid datasheets matching the exact part number before procurement.
Select this component when high CTR at low AC input currents is required for programmable controller interfaces. The 3750Vrms isolation rating suits applications needing robust signal separation. Consider the 6-MFSOP package constraints for PCB layout. Verify that the 80V collector-emitter voltage meets the load requirements. Compare against similar TLP series devices if higher speed or different output configurations are needed.
The TLP126 belongs to Toshiba's mini flat coupler family, which includes variants like TLP126TPRF and TLP126-F. These components share the core architecture of an inverse-parallel LED driving a phototransistor. The TLP126 series is widely recognized for its compact size and suitability for surface mount technology in industrial and telecommunications control systems.
Public confirmed substitute part numbers are not available in the provided source data.