2SK772E

N-Channel Junction Silicon FET

2SK772E – N-Channel Junction Silicon FET – onsemi

Optimize your power management designs with the 2SK772E N-Channel Junction Field-Effect Transistor (JFET) from onsemi. This robust silicon FET delivers reliable switching and amplification for low-noise applications, backed by onsemi’s industry-leading quality. PCX ensures genuine components with express shipping and dedicated technical support.

Key Features

• Type: N-Channel Junction FET (JFET)
• Technology: Silicon construction for stable performance
• Low-Noise Operation: Ideal for signal-sensitive circuits
• High Input Impedance: Minimizes loading effects
• Datasheet Available: Full specifications accessible via PCX

Technical Details

The 2SK772E utilizes a junction-gate architecture for precise current control. As an N-Channel FET, it supports electron flow from source to drain with negative gate bias. Designed for through-hole mounting (exact package type detailed in datasheet), this JFET operates across industrial temperature ranges. Its depletion-mode characteristics make it suitable for analog switching and amplification tasks requiring minimal signal distortion.

Typical Applications

• Audio preamplifiers and low-noise signal chains
• Analog switches and multiplexers
• Current source/sink circuits
• Sensor interfaces and instrumentation
• Voltage-controlled resistors

About onsemi

onsemi (formerly ON Semiconductor) is a Fortune 500 leader in power management and analog solutions, serving automotive, industrial, and communications markets for over 50 years. Their rigorous quality systems, including IATF 16949 certification, ensure components meet stringent reliability standards for mission-critical applications.

The company invests heavily in R&D, holding over 10,000 patents for semiconductor innovations. onsemi’s vertically integrated manufacturing and global supply chain expertise guarantee consistent performance across all operating conditions, making them a preferred partner for engineers worldwide.

About Junction FETs (JFETs)

Junction Field-Effect Transistors are voltage-controlled devices that regulate current flow using an electric field across a p-n junction. Unlike MOSFETs, JFETs operate without an insulating oxide layer, providing inherent electrostatic discharge (ESD) robustness and simpler biasing requirements. Their symmetrical construction allows source-drain interchangeability in many designs.

N-Channel JFETs like the 2SK772E excel in applications demanding high input impedance and low noise, including audio processing, medical instruments, and test equipment. Their predictable temperature behavior and absence of gate leakage current make them ideal for precision analog circuits where signal integrity is paramount.

Packaging & Availability

Available in standard commercial packaging. Contact PCX for Tape & Reel options and MOQ details. All orders ship same-day from ISO-certified warehouses.

Frequently Asked Questions

Q: Is this a depletion-mode or enhancement-mode FET?
A: As a JFET, the 2SK772E operates in depletion mode, conducting when gate-source voltage is zero.

Q: What are the voltage/current ratings?
A: Refer to the onsemi datasheet hosted on PCXCo.com for absolute maximum ratings and electrical characteristics.

Q: Can I use this for audio amplifier input stages?
A: Yes, JFETs are preferred for high-impedance, low-noise audio inputs due to their smooth transfer characteristics.

Q: Does PCX provide technical support for component integration?
A: Yes, our engineering team offers application assistance for all onsemi products in your designs.

Q: How do JFETs compare to MOSFETs?
A: JFETs offer lower noise and better linearity but typically handle less power than MOSFETs. They don’t require gate protection diodes.

Q: Are samples available?
A: Contact PCX sales for sampling programs and evaluation support.

Disclaimer: Product image is representational only. Refer to datasheet for exact dimensions and pinout.

Ready to Integrate Reliable Performance?

Streamline your BOM with authentic onsemi components – order 2SK772E N-Channel JFETs from PCX today for guaranteed stock and 24-hour shipping!