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The ISP825-1SMT&R is a surface-mount optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon photodarlington output in a compact package. The device provides high current transfer ratio and robust isolation capabilities. Key electrical parameters include a maximum forward voltage of 1.5V, a minimum current transfer ratio of 600%, and an isolation voltage of 5.3 kVrms (7.5 kV peak). It features a single channel configuration with four pins, designed for reliable signal transmission between systems with different potentials.
Verify the specific suffix 'SMT&R' confirms the tape and reel packaging format required for automated assembly processes. Ensure the component matches the standard ISP825 series specifications regarding pinout and thermal characteristics. Confirm that the manufacturer designation aligns with Isocom Components or authorized distributors to guarantee authenticity and compliance with the documented electrical standards.
Select this component when high density mounting is required alongside high current transfer capabilities. The photodarlington output offers higher gain compared to standard phototransistors, suitable for driving loads directly. Consider the surface mount form factor for PCB space constraints. Verify that the isolation voltage requirements of the application are met by the 5.3 kVrms rating.
This part belongs to the ISP815, ISP825, and ISP845 series of optically coupled isolators from Isocom Components. These series are characterized by their use of NPN silicon photodarlington outputs paired with infrared LEDs. The series is designed for applications requiring high reliability and compact packaging solutions in industrial and computing environments.
Public confirmed substitute part numbers are not available in the provided documentation.