MX2N4859-JFET-NChannel N-Channel JFET Transistor – MX2 Brand, TO-92 Package

MX2N4859-JFET-NChannel Overview

The MX2N4859-JFET-NChannel is a high-performance N-channel junction field-effect transistor designed for low-noise amplification and switching applications. Offering excellent input impedance and stable operation, this transistor is ideal for precision analog circuits and RF signal processing. Its robust electrical characteristics ensure reliable performance across a wide range of industrial environments. Designed for ease of integration into complex systems, the device supports engineers and sourcing specialists with consistent quality and durability. For more information and support, visit Производитель ИС.

MX2N4859-JFET-NChannel Key Features

• Low noise figure: Enables superior signal clarity in sensitive analog and RF circuits, improving overall system accuracy.
• High input impedance: Minimizes loading on preceding stages, preserving signal integrity and enhancing measurement precision.
• Stable transconductance: Provides consistent gain over temperature variations, ensuring reliable amplifier performance.
• Компактный корпус TO-92: Facilitates easy PCB layout and efficient thermal management in space-constrained applications.

MX2N4859-JFET-NChannel Technical Specifications

Параметр	Значение	Единица
Type	N-Channel JFET
Напряжение сток-исток (VDS)	25	V
Gate-Source Voltage (VGS)	??25	V
Drain Current (ID)	10	мА
Gate Cutoff Voltage (VGS(off))	-0.5 to -6.0	V
Forward Transfer Admittance (|Yfs|)	1600	??S
Коэффициент шума	Низкий
Пакет	ТО-92

MX2N4859-JFET-NChannel Advantages vs Typical Alternatives

This N-channel JFET offers notably low noise and high input impedance compared to typical bipolar transistors and MOSFETs. Its stable transconductance and low gate leakage current ensure precise, reliable amplification, making it advantageous for sensitive analog and RF applications. The compact package and robust voltage ratings provide easy integration and durable operation in demanding industrial environments.

Типовые применения

• Low-noise preamplifiers in audio and RF signal chains, where minimal distortion and high input impedance are critical for maintaining signal fidelity.
• Analog switches and chopper circuits requiring stable and precise current control with minimal power consumption.
• Voltage-controlled resistors and attenuators in instrumentation and measurement equipment.
• High-impedance input stages in sensor interfaces and data acquisition systems, enhancing sensitivity and accuracy.

MX2N4859-JFET-NChannel Brand Info

The MX2N4859-JFET-NChannel is produced by a reputable semiconductor manufacturer known for delivering quality discrete components optimized for industrial and commercial electronics. This transistor is part of a broader portfolio that emphasizes precision, durability, and consistent electrical performance, supporting engineers in designing robust analog and RF circuits worldwide.

ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ

What is the maximum drain-source voltage rating of this N-channel JFET?

The maximum drain-source voltage (V_DS) for this device is 25 volts. This rating defines the highest voltage the transistor can safely withstand between the drain and source terminals without risking breakdown.

How does the gate cutoff voltage range affect circuit design?

The gate cutoff voltage (V_GS(off)) varies between -0.5 V and -6.0 V, indicating the voltage at which the JFET channel is fully pinched off. Designers use this range to set bias points ensuring the transistor operates within its intended linear or switching region.

What packaging does the transistor come in, and why is it important?

This transistor is housed in a TO-92 package, which offers a compact footprint suitable for through-hole mounting. Its package facilitates efficient heat dissipation and straightforward PCB integration, essential for prototyping and production.

Is this transistor suitable for high-frequency applications?

Yes, the device??s low noise figure and stable transconductance make it well-suited for RF amplification and other high-frequency analog circuits where signal integrity and minimal distortion are required.

Can this JFET be used in sensor interface circuits?

Absolutely. Its high input impedance and low noise characteristics make it ideal for sensor interfaces, improving sensitivity and accuracy by minimizing signal loading and interference.