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The IS205X is a single-channel optically coupled isolator featuring an infrared LED and NPN silicon phototransistor in a standard 6-pin dual in-line plastic package. It provides high isolation voltage of 5.3kVRMS and 7.5kVPK with a minimum current transfer ratio of 50%. The device supports low input current operation at 0.5mA IF and includes an unconnected base pin to enhance noise immunity in high EMI environments.
Verify the specific suffix (e.g., G, SM, SMT&R) required for your application, as these denote lead spread, surface mount, or tape-and-reel packaging options. Confirm that the unconnected base pin configuration aligns with your circuit's noise immunity requirements. Ensure the 5.3kVRMS isolation rating meets your safety standards. Check compatibility with your system's impedance levels before integration.
Select this component when high noise immunity is critical due to its unconnected base pin structure. It is suitable for applications requiring low input current drive capabilities while maintaining a high current transfer ratio. Consider the available packaging variants, including through-hole and surface mount options, based on your PCB layout constraints and assembly processes.
The IS205X belongs to Isocom Components' series of non-base lead phototransistor optocouplers. These devices are designed for robust performance in industrial and control applications where electrical isolation and noise rejection are paramount. The product line offers various packaging configurations to accommodate diverse manufacturing needs.
Direct substitutes include other non-base lead phototransistor optocouplers from Isocom such as the IS205-1, IS205-2, and IS205-3 series. Cross-manufacturer replacements should match the 6-pin DIP package, 5.3kVRMS isolation, and low input current specifications.