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LOC110S is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is OPTOISO 3.75KV 1CH PHVOLT 8-SMD. Review the specifications below when checking this part for your BOM.
The Littelfuse LOC110S is a single-channel linear optocoupler housed in an 8-pin surface mount DIP package. It features an infrared LED optically coupled with two photodiodes, where one feedback photodiode generates a control signal for the input LED to ensure high linearity. Key electrical parameters include a 3.75kV isolation voltage and a typical total harmonic distortion (THD) of -87dB. The device offers a wide bandwidth exceeding 200 kHz and low input-to-output capacitance.
Verify the specific suffix 'S' indicates the surface mount DIP variant when ordering. Confirm that the required isolation voltage meets the 3.75kV specification for your circuit design. Ensure the PCB footprint matches the 8-pin surface mount configuration. Cross-reference the datasheet for thermal management requirements during assembly.
Select this component when high-fidelity analog signal transfer is critical. The integrated feedback loop distinguishes it from standard digital optocouplers by minimizing non-linearities. Consider the wide bandwidth for applications involving higher frequency signals. Verify compatibility with the target system's power supply constraints given the low power consumption characteristics.
The LOC110 series belongs to Littelfuse's linear optocoupler family designed for precision applications. This series emphasizes stability and low distortion over simple on-off switching. The LOC110S specifically adapts this technology for surface mount manufacturing processes, maintaining the performance benefits of the through-hole LOC110 while fitting modern automated assembly lines.
Public confirmed substitute part numbers are not available in the provided documentation.
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