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The SL5501 is a photovoltaic output optoisolator manufactured by onsemi. It features an infrared emitting diode coupled to a photovoltaic cell, providing electrical isolation between input and output circuits. The device is housed in a compact mini-flat package with four pins. It offers high isolation voltage capabilities suitable for signal transmission across isolated boundaries. The component is currently obsolete and no longer manufactured.
Verify availability through authorized distributors as the SL5501 is officially obsolete. Confirm exact pinout and package dimensions against original datasheets before integration. Check for RoHS compliance status if required for current projects. Ensure substitute components meet identical isolation voltage and speed requirements.
Select this component only if legacy compatibility is mandatory. Evaluate alternatives based on isolation voltage, propagation delay, and package size. Consider modern equivalents with improved thermal performance. Verify that the photovoltaic output type matches system biasing constraints. Review replacement part numbers for direct pin-to-pin compatibility.
The SL5501 belongs to onsemi's standard product line of optoisolators. It utilizes GaAs infrared LED technology paired with a photovoltaic detector. This configuration enables galvanic isolation without requiring external power at the output stage. The device supports reliable data transfer in noisy environments.
H11AV1M is listed as a similar available substitute. Verify functional equivalence regarding isolation voltage and package footprint before substitution.