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ISQ1X is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISOLATOR 5.3KV 4CH TRANS. Review the specifications below when checking this part for your BOM.
The ISQ1X is a high-density, four-channel optically coupled isolator manufactured by Isocom Components 2004 LTD. It integrates infrared light-emitting diodes with NPN silicon phototransistors to provide electrical isolation. The device features a 16-pin DIP package and supports a maximum forward current of 50 mA. It offers an isolation voltage of 5300 Vrms and operates within a temperature range of -30°C to 100°C. The typical current transfer ratio reaches 50%.
Verify the specific datasheet version for the ISQ1X to confirm pinout compatibility and absolute maximum ratings before integration. Ensure that thermal management strategies align with the specified operating temperature range. Cross-reference the 16-pin DIP footprint dimensions with the target PCB layout to guarantee mechanical fit. Confirm that the 5300 Vrms isolation rating meets the safety requirements of the end application environment.
Select the ISQ1X when multiple isolated channels are required in a compact form factor. The four-channel design reduces board space compared to using single-channel units. Verify that the NPN phototransistor output characteristics match the load requirements. Consider the 50 mA input current limit when designing drive circuits. Ensure the 16-pin package style suits the assembly process available.
The ISQ1X belongs to the family of high-density phototransistor optically coupled isolators from Isocom Components. These devices are designed to replace bulky relay or transformer isolation methods in modern electronics. The quad-channel architecture allows for efficient signal routing in complex digital systems while maintaining galvanic separation between input and output stages.
Publicly confirmed substitute part numbers for the ISQ1X were not found in the provided source material.
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