3sk41 Datasheet -

While the 3SK41 is considered a legacy or hard-to-find component today, its legacy designs remain active in several industries:

Unfortunately, without access to a specific datasheet from a reliable source like a manufacturer or distributor, we can't provide detailed specifications here. However, typically, a datasheet for a JFET like the 3SK41 would include:

Connected to ground/common loop, often shared with the metal shield. Gate 1 (G1) The primary RF signal input pin; dictates transconductance. Pin 3 Gate 2 (G2) 3sk41 datasheet

In a typical RF amplifier stage, the Drain of the 3SK41 will be at a positive voltage (e.g., 12–14 V in many Kenwood transceivers), while the Source is near ground potential. A sudden loss of signal, a drop in gain, or excessive noise are often the first signs of a failing 3SK41 in vintage equipment.

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. While the 3SK41 is considered a legacy or

The 3SK41 is a classic N-channel dual-gate GaAs (Gallium Arsenide) field-effect transistor (FET) designed primarily for high-frequency applications. It is widely recognized for its exceptional performance in VHF and UHF mixers, amplifiers, and tuners. If you are designing, repairing, or restoring vintage or specialized radio frequency (RF) equipment, understanding the 3SK41 datasheet is crucial.

The metal case is sometimes internally connected to the source (Pin 1) or left floating. Check the specific manufacturer's datasheet; if grounded, it provides shielding. Pin 3 Gate 2 (G2) In a typical

) to be used for Automatic Gain Control (AGC) or to improve isolation between the input and output, which is crucial for reducing feedback capacitance ( Crsscap C sub r s s end-sub ) in high-frequency amplifiers. 2. Key Specifications from the 3SK41 Datasheet