3sk41 Datasheet -
The dual-gate structure allows for superior gain control (AGC) and high stability by reducing the internal capacitance between the drain and the primary gate. www.jotrin.ru The "Deep Story": A Relic of the Analog Era
Disclaimer: All specifications cited are based on historical datasheets. Electrical characteristics may vary between manufacturers (Hitachi vs. NEC). Always verify with the component in hand. 3sk41 datasheet
In the world of RF (Radio Frequency) design, certain components achieve legendary status not because of flashy marketing, but due to pure performance and reliability. The is one such component. While it is now considered an obsolete or "end-of-life" (EOL) part, this N-channel dual-gate MOSFET remains highly sought after by vintage radio restorers, HF amplifier builders, and electronics hobbyists. The dual-gate structure allows for superior gain control
For modern designs, consider upgrading to a BF998 or MMBF4416. For restoration, treat a NOS 3SK41 as a precious artifact—and handle it with electrostatic reverence. The is one such component
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Are you planning to use the 3SK41 for an project or a legacy repair ? 3SK41 Datasheet, PDF - ALLDATASHEET.COM
Front-end amplification in FM, VHF, and UHF receivers.









