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The CP216-2N4393-WN is a hermetically sealed N-channel Junction Field-Effect Transistor (JFET) manufactured by Central Semiconductor Corp. It utilizes the TO-18 metal can package and adheres to MIL-S-19500 processing standards for military-grade reliability. The device features low on-resistance, fast switching capabilities, and high off-isolation with low leakage current. Its low capacitance and low insertion loss make it suitable for demanding analog switching applications and specialized amplifier circuits requiring high accuracy and negligible off-error.
Verify the specific revision level and lot traceability when sourcing this component, as it follows MIL-S-19500 processing. Confirm that the TO-18 package dimensions and pinout match the design requirements. Ensure the supplier provides documentation regarding the hermetic seal integrity and material composition compliance for critical applications.
Select this JFET for designs requiring robust analog signal routing with minimal distortion. The TO-18 package offers superior environmental protection compared to plastic packages. Consider the low on-resistance for minimizing voltage drop in the conducting state. Evaluate the switching speed against the circuit's frequency requirements to ensure adequate performance without excessive glitches.
This part belongs to the 2N/PN/SST4391 series of N-channel JFETs. It shares functional characteristics with other devices in this family but is distinguished by its hermetically sealed TO-18 package and military processing standards. It serves as a discrete alternative to integrated analog switches where high isolation and low leakage are paramount.
Direct replacements include other hermetically sealed N-channel JFETs in the TO-18 package that meet MIL-S-19500 specifications. Verify pin compatibility and electrical parameters such as on-resistance and breakdown voltage before substitution. Non-hermetic equivalents like those in TO-92 or SOT-23 packages may require re-evaluation of environmental protection and mounting constraints.