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The TIL194AG is a single-channel optocoupler manufactured by Isocom Components, featuring a photovoltaic output device. It utilizes a four-pin DIP package for through-hole mounting and accepts AC input signals. The component provides an isolation voltage of 5300Vrms between the input and output circuits. Key electrical characteristics include a maximum forward voltage of 1.4V and a maximum input current rating of 50mA. Typical switching performance includes rise and fall times of 100µs each. The unit operates within a temperature range of -55°C to 100°C and holds UL certification.
Verify the specific manufacturer designation when sourcing, as Isocom Components may operate under different legal entity names or historical branding. Confirm that the photovoltaic output type matches the application requirements, as this differs from standard transistor outputs. Ensure the AC input specification aligns with the driving circuit design before procurement.
Select this component when AC input handling is required alongside high-voltage isolation. The photovoltaic output necessitates external biasing or specific load configurations compared to active outputs. Consider the 100µs switching speed limitations for high-frequency applications. Verify package compatibility with existing PCB layouts due to the through-hole DIP form factor.
The TIL194AG belongs to the TIL19x series of optocouplers designed for general-purpose isolation tasks. It shares functional similarities with other AC-input optocouplers but distinguishes itself through its photovoltaic output stage. This series is commonly used in applications where zero-crossing detection or simple isolation of AC lines is necessary without complex drive circuitry.
Public confirmed substitute part numbers are not available in the provided documentation.