3sk41 Datasheet 🎁 Full

When handling the 3SK41, it is essential to take precautions to prevent damage from electrostatic discharge (ESD). The transistor should be handled by the leads only, and not by the body. Additionally, the operating conditions should be within the specified limits to ensure reliable operation.

A common alternative used in similar VHF applications. Conclusion

The core advantage of using the 3SK41 over a single-gate FET or a standard bipolar junction transistor (BJT) is the internal cascode configuration.

(Note: Always verify the pinout with the specific manufacturer’s marking, as some variations exist.) 5. Common Applications 3sk41 datasheet

The Kenwood TS‑520S uses a 3SK41(L) as the RF mixer Q1, where it converts the incoming signal from 1.8 to 28 MHz to the intermediate frequency. It is also found as Q9 on the Noise Blanker board in the same transceiver, where it helps suppress impulse noise. The Kenwood TS‑820 and TS‑830S are other examples of hybrids that incorporate the 3SK41 in the RF unit.

Tied directly to the metallic can enclosure. Grounding this lead minimizes parasitic feedback from the drain back to Gate 1.

Excellent vintage alternative tailored specifically for RF preamplifiers. SOT-143 (SMD) When handling the 3SK41, it is essential to

The is a classic N-channel dual-gate MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) that has long been a staple in high-frequency applications . Primarily designed for VHF (Very High Frequency) amplifiers and mixers, it remains a point of interest for hobbyists, vintage radio restorers, and engineers working with legacy RF circuits.

The 3SK41 utilizes a classic (frequently cross-referenced with the TO-72 form factor). The metal shell serves a dual purpose: it provides robust thermal dissipation and functions as a Faraday shield to decrease electromagnetic interference (EMI) when grounded.

The 3SK41 features a classic four-lead . Looking at the bottom of the transistor (leads facing you, with the orientation tab pointing downward/clockwise), the pinout assignment follows the industry standard for dual-gate RF FETs: A common alternative used in similar VHF applications

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.

Acting as the first stage of amplification.

Designed to minimize internal noise, making it ideal for the front-end stages of sensitive receivers. Common Uses