TIL191ASMT&R

Overview

The TIL191ASMT&R is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a phototransistor output and utilizes a surface-mount DIP package with four pins. The device supports direct current input signals and has a maximum forward voltage of 1.65V. Key electrical parameters include an isolation voltage of 5.3 kVrms, a peak isolation voltage of 7.5V, and a minimum current transfer ratio of 50% at 5mA input. The maximum input current is rated at 50 mA.

Feature Summary

• Provides galvanic isolation between input and output circuits using a phototransistor configuration.

Applications

• Signal isolation in electronic circuits

Procurement Notes

Verify the manufacturer designation as Isocom Components 2004 LTD against official documentation. Confirm the specific pinout and package dimensions for the SMDIP-4 form factor. Ensure the component meets required isolation voltage standards for the intended application environment. Cross-reference the part number to avoid confusion with through-hole variants or different series members within the same family.

Selection Notes

Select this component when a surface-mount solution with a phototransistor output is required. Consider the 5.3 kVrms isolation rating for safety requirements. Evaluate the 50% minimum current transfer ratio to ensure adequate signal transmission. Verify that the 50 mA maximum input current aligns with the driving circuit capabilities.

Part Context

This component belongs to the TIL191 series of optocouplers. It is designed for applications requiring electrical isolation. The surface-mount format facilitates automated assembly processes. The phototransistor output provides a simple switching interface for digital signals.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.