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The 2N5771 TRE is a discontinued RF small signal bipolar transistor manufactured by Central Semiconductor Corp. It is a single-element silicon PNP device housed in a TO-92 cylindrical package with three leads. The component features a maximum collector capacitance of 3 pF and utilizes tin lead terminal plating. This through-hole part was officially transitioned to End of Life status as part of the manufacturer's product management process.
This specific part number has been officially discontinued by Central Semiconductor Corp. Procurement must focus on verifying availability of replacement components or existing stock, as new production orders are no longer accepted under standard manufacturing processes.
Designers should evaluate the designated replacement part PN4209 for compatibility. Verify that the replacement meets all original electrical requirements and physical footprint constraints before finalizing the component selection for the design.
Central Semiconductor Corp specializes in discrete semiconductors, offering both standard and custom niche products. The company maintains an extensive inventory and provides support for legacy devices, though certain parts are discontinued when demand falls below sustainable levels.
PN4209 is the confirmed public substitute for this discontinued component.