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Common questions from engineers and buyers evaluating this part.
The 2N2421B from Onsemi is an Unijunction Transistors. Unijunction Transistor. It is used in electronic designs requiring unijunction transistors functionality.
Contact us for package and mounting details of the 2N2421B.
The 2N2421B is Discontinued (obsolete). Remaining stock may be limited. Contact us for the most current availability and alternatives.
Commercial availability, condition, packaging and traceability are confirmed against your exact requirement through RFQ.
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