3sk41 Datasheet (RELIABLE)
Typically utilized for AGC (Automatic Gain Control) voltage or local oscillator input in mixer circuits.
Gate 1, Gate 2, Source, Drain (often with a 4th lead for the case/shield) Commonly Available Data Sources: Alldatasheet - 3SK41L Veswin 3SK41 Description Utsource 3SK41 Description
The foundation of any datasheet is the component's electrical limits. While a complete official datasheet is no longer publicly available, key parameters have been meticulously compiled from reliable, cross-referenced sources.
Standard intermediate frequency amplification in communications receivers. 🔄 Modern Alternatives and Equivalents 3sk41 datasheet
These figures describe the MOSFET's behavior under normal operating conditions.
While modern surface-mount devices have largely taken over, the 3SK41 remains a staple for hobbyists and repair centers looking for authentic components for legacy industrial and commercial equipment. It was famously manufactured through collaborations involving giants like , giving it a pedigree of reliability. Quick Technical Summary Type N-Channel Dual-Gate MOSFET Package CAN4 (Metal Can) Common Uses Power amplifiers, motor control, SMPS Key Advantage High gain and low noise at high frequencies
General-purpose switching and signal conversion in specialized control equipment. Procurement & Alternatives Typically utilized for AGC (Automatic Gain Control) voltage
The 3SK41 remains a classic, robust component for radio frequency applications. Its high transconductance, dual-gate capability, and low-noise characteristics make it a valuable transistor for sensitive RF amplification tasks.
: The vintage metal CAN4 package isn't just for aesthetics; it provides excellent thermal protection and minimizes electrical interference. Why It’s a "Cult Classic"
The is a legacy, high-performance N-channel dual-gate Silicon MOSFET historically manufactured by prominent semiconductor pioneers like NEC , Hitachi , and Motorola . Enclosed in highly stable, hermetically sealed metal packages such as the TO-72 (CAN-4) , this device is highly regarded by RF engineers, vintage radio restorers, and hobbyists for its exceptional performance in high-frequency amplification and signal mixing. Check the specific manufacturer's datasheet
), eliminating the "Miller Effect" that routinely destabilizes single-gate transistors at high frequencies.
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.
Whether you are performing a vintage restoration, analyzing high-frequency communication circuits, or looking for equivalent contemporary options, understanding the exact specifications on a is vital to securing circuit stability and preventing system failure. Technical Specifications Overview
Always refer to the specific manufacturer datasheet for the exact pin arrangement, as some variants may differ slightly. 4. Key Applications of the 3SK41
Gate 2 can be used for Automatic Gain Control (AGC), allowing the amplifier's gain to be adjusted without significantly affecting the input impedance.