ZD Integrated Circuits

2N4858

JFET · TO-18 · Discrete Semiconductor
Obsolete

2N4858 is a jfet component, supplied in TO-18 package, of type Discrete Semiconductor. 2N4858 is marked Obsolete — exactly the hard-to-find, end-of-life inventory ZD Integrated Circuits specializes in sourcing globally. ZDI sources this part through its global broker network — request a quote for current availability and pricing.

Part Number2N4858
CategoryJFET
TypeDiscrete Semiconductor
PackageTO-18
LifecycleObsolete
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Specifications

Part Number2N4858
CategoryJFET
TypeDiscrete Semiconductor
PackageTO-18
LifecycleObsolete
Last UpdatedJune 8, 2026

N-channel depletion-mode JFET, 40 V

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2N4858 is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — ZDI sources these through vetted channels with inspection and traceability.

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