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The PN4393_D27Z is a small signal N-Channel Junction Field-Effect Transistor (JFET) manufactured by onsemi. It utilizes silicon technology and is housed in a TO-92 package with kinked leads for through-hole mounting. The device operates in depletion mode and features a single channel configuration. Key electrical specifications include a gate-source breakdown voltage of -30 V, a maximum drain-source on-resistance of 100 Ω, and a maximum feedback capacitance of 3.5 pF. The component is designed for general-purpose switching applications within the specified temperature range.
Verify the specific suffix D27Z against official manufacturer documentation to confirm packaging details and compliance status. Ensure the component matches the required TO-92 kinked lead form factor. Cross-reference the part number with current onsemi catalogs to confirm availability and any potential lifecycle changes or obsolescence notices before finalizing procurement plans.
Select this component for low-power switching tasks requiring an N-Channel JFET in a standard through-hole package. Consider the -30 V gate-source breakdown limit when designing control circuits. Verify that the 100 Ω on-resistance meets the circuit's impedance requirements. Confirm compatibility with the intended operating temperature range and ensure the depletion mode behavior aligns with the system's logic requirements.
This part belongs to the discrete transistor category, specifically within the JFET sub-family produced by onsemi. It represents a legacy small-signal component often sourced from Fairchild Semiconductor heritage lines now managed by onsemi. The TO-92 package is a standard industry format for low-power through-hole transistors, facilitating easy integration into prototyping boards and older equipment designs.
Public confirmed substitute part numbers are not available in the provided source material.