MX2N4861-JFET-NChannel Overview
The MX2N4861-JFET-NChannel is a high-performance N-channel junction field-effect transistor designed for low-noise, high-gain analog applications. Featuring stable electrical characteristics, it is optimized for signal amplification and switching tasks in precision circuits. This device offers low input capacitance and a high input impedance, making it ideal for sensitive sensor interfaces and audio preamplifiers. Its robust construction ensures reliable operation across a range of temperatures and conditions. Engineers and sourcing specialists will find its consistent performance and compact package an excellent choice for demanding industrial and instrumentation designs. Learn more at IC Manufacturer.
MX2N4861-JFET-NChannel Key Features
- Low Noise Figure: Enables high-fidelity signal amplification critical in audio and sensor applications.
- High Input Impedance: Minimizes loading effect on preceding stages, preserving signal integrity.
- Stable Gain Characteristics: Ensures consistent amplification across temperature variations, enhancing circuit reliability.
- Compact TO-92 Package: Facilitates easy integration into space-constrained PCB layouts.
MX2N4861-JFET-NChannel Technical Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Drain-Source Voltage (Max) | VDS | 25 | V |
| Gate-Source Voltage (Max) | VGS | -25 | V |
| Drain Current (Max) | ID | 10 | mA |
| Power Dissipation (Max) | PD | 310 | mW |
| Gate-Source Cutoff Voltage | VGS(off) | -0.3 to -6.0 | V |
| Forward Transfer Admittance | |Yfs| | 700 | ??S |
| Input Capacitance | Ciss | 10 | pF |
| Operating Temperature Range | Top | -55 to +150 | ??C |
MX2N4861-JFET-NChannel Advantages vs Typical Alternatives
This JFET offers superior low-noise performance and high input impedance compared to typical bipolar transistors, making it optimal for precision analog circuits. It provides stable gain and low distortion, enhancing signal accuracy. The device??s low power dissipation and compact packaging improve integration and reliability in industrial environments. These benefits make it a preferred choice over general-purpose transistors in sensitive sensor and audio signal processing applications.
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Typical Applications
- Low-noise preamplifiers for audio and instrumentation where signal fidelity is critical, benefiting from the device??s low input capacitance and high gain.
- Sensor interface circuits requiring high input impedance to prevent signal loading and ensure accurate measurement.
- Analog switches and chopper-stabilized amplifiers in precision measurement systems.
- Buffer stages in RF and communication circuits, leveraging fast switching and low distortion characteristics.
MX2N4861-JFET-NChannel Brand Info
The MX2N4861-JFET-NChannel transistor is manufactured under stringent quality standards to meet industrial-grade requirements. It is part of a family of JFETs known for consistent electrical performance and durability. This device integrates seamlessly into designs requiring sensitive and stable analog signal processing. Its proven reliability and precise specifications reflect the brand??s commitment to supporting engineers with dependable semiconductor components suited for complex applications.
FAQ
What is the maximum drain current rating for this N-channel JFET?
The maximum continuous drain current rating is 10 mA, which defines the highest current the device can safely handle without degradation under specified operating conditions.
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How does the gate-source cutoff voltage affect circuit design?
The gate-source cutoff voltage ranges from -0.3 V to -6.0 V, determining the voltage at which the transistor switches off. Designers use this parameter to set bias points and ensure the transistor operates within its linear region for accurate amplification.
Can this transistor operate reliably at high temperatures?
Yes, the device supports an operating temperature range from -55??C to +150??C, making it suitable for various industrial and harsh environment applications.
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What package type is the MX2N4861 offered in?
It is provided in a compact TO-92 package, which is widely used for its ease of handling and mounting on printed circuit boards, especially in low-power applications.
Is this JFET suitable for low-noise amplifier circuits?
Absolutely, its low input capacitance and low noise figure make it ideal for low-noise amplifier designs, enhancing signal clarity in sensitive analog circuits such as audio or sensor front-ends.
