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The TIL197BG is a single-channel optocoupler from the TIL197 series, manufactured by Isocom Components 2004 LTD. It features an AC input and Darlington transistor output in a 4-pin DIP package. Key electrical parameters include a maximum forward voltage of 1.4V, isolation voltage of 5300Vrms, and a current transfer ratio ranging from 1500% to 7500%. The device operates between -55°C and 100°C with typical rise/fall times of 100μs.
Verify the specific suffix 'BG' against official Isocom documentation to confirm pinout and material compliance. Ensure the selected variant matches the required current transfer ratio range for your circuit design. Cross-reference datasheets to confirm package dimensions and thermal characteristics before integration.
Select this component when AC input detection is required with high gain. The Darlington output provides significant current amplification. Verify that the 5300Vrms isolation meets system safety standards. Consider the slower switching speed compared to standard transistor outputs when designing high-frequency applications.
Isocom Components 2004 LTD produces replacement optocouplers for legacy industrial components. The TIL197 series is designed as a drop-in replacement for discontinued parts. These devices adhere to industry-standard form factors while offering updated manufacturing processes and consistent performance metrics for long-term supply stability.
Public confirmed substitute part numbers are not available in the provided source data. Verify pin compatibility and electrical ratings with original equipment manufacturer specifications before substitution.