3sk41 Datasheet Jun 2026

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Front-end RF low-noise amplifiers (LNAs) for legacy television and FM radio tuners.

A common alternative used in similar VHF applications. Conclusion 3sk41 datasheet

As the 3SK41 is considered a legacy or "hard-to-find" component, it is mostly available through specialized distributors like Jotrin Electronics or Veswin .

Restorers of vintage gear report that the 3SK41 is susceptible to several types of failure, most often due to its age and the fragile nature of early MOSFET gates. RDS(on)cap R sub cap D cap S open

The 3SK41 is a JFET (Junction Field-Effect Transistor) used in various electronic circuits. If you're looking for information on this component, you've come to the right place. Below, we'll provide an overview of the 3SK41, its features, and its datasheet.

While implementing this feature, the designer must adhere to the graph in the 3SK41 datasheet. During the soft-start ramp, the transistor passes through the linear region where both Voltage ($V_DS$) and Current ($I_D$) are high. The soft-start duration must be calculated carefully so that the transient thermal limit of the 3SK41 is not exceeded during this transition. Restorers of vintage gear report that the 3SK41

: Another common dual-gate variant in similar packages. 6. Where to Buy 3SK41

RDS(on)cap R sub cap D cap S open paren o n close paren end-sub to reduce thermal dissipation during conduction cycles. Pinout and Mechanical Configuration

The 3SK41 is housed in a standard TO-72 metal can package. Its dual-gate construction is its defining feature, allowing for superior gain control and reduced feedback capacitance compared to single-gate FETs. Ideal for front-end RF amplification.