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FAN1086S25X is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC REG LIN 2.5V 1.5A SOT-223-4. Review the specifications below when checking this part for your BOM.
The FAN1086S25X is a fixed positive low dropout linear regulator manufactured by Fairchild Semiconductor, now part of onsemi. It provides a stable 2.5 V output with a maximum current capacity of 1.5 A. The device features a typical dropout voltage of 1.5 V at full load and operates within an input voltage range of 4 V to 7 V. It supports surface mount installation in a SOT-223-4 package and functions reliably across a temperature range of -40°C to +125°C.
This component is officially classified as obsolete and no longer manufactured by the supplier. Verification of availability should focus on third-party distributors or surplus markets rather than direct factory channels. Ensure that any sourced units are accompanied by valid authenticity documentation and traceability records to confirm they meet original specifications despite the discontinuation status.
Designers requiring this specific 2.5 V fixed output must account for the component's discontinued status when planning long-term production. Alternative selection should prioritize new LDO regulators with similar current ratings and package footprints to ensure supply chain stability. Compatibility checks regarding thermal dissipation and input voltage constraints remain essential during the substitution process.
The FAN1086 series belongs to the family of low dropout linear regulators designed for efficient power management in compact applications. This specific model represents the fixed 2.5 V variant within the SOT-223 package configuration. The product line was originally developed by Fairchild Semiconductor before corporate integration into onsemi, maintaining consistent electrical characteristics across its variants.
Public confirmed substitute part numbers are not available in the provided source data.
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