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Minimizes distortion in amplified signals.

The performance of the 3SK41 is characterized by high transconductance ( ) and low noise figure ( NFcap N cap F

The 3SK41 is designed for superior performance in VHF/UHF applications. Its dual-gate structure allows for versatile gain control, which is essential for automatic gain control (AGC) in receivers.

4-pin package (Source, Gate 1, Gate 2, Drain). Typical Applications: VHF/UHF TV Tuner RF Amplifiers. High-frequency mixers. General-purpose high-frequency signal processing. Key Performance Metrics:

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High transconductance allows efficient amplification of weak signals.

Supplying clean low-noise amplification for radio receivers.

The 3SK41 appears in a wide range of classic amateur radio transceivers, high‑fidelity FM tuners, and test equipment from the 1970s through the early 1990s.

While the metal CAN-4 package provides robust protection against thermal stress, the 3SK41 is exceptionally sensitive to . Because it uses ultra-thin insulated metal-oxide gates, a tiny static spark can permanently rupture the internal barriers.