2N4861UB-JFET-Nchannel Overview
The 2N4861UB is a high-performance N-channel JFET designed for precision analog applications requiring low noise and stable operation. This junction field-effect transistor offers excellent transconductance and low gate leakage current, making it ideal for amplifiers, switches, and buffer stages. Its rugged construction ensures reliable operation across a wide range of temperatures and electrical conditions. Engineers and sourcing specialists will appreciate the device??s consistent performance and ease of integration within complex circuits. For further product details and support, visit the IC Manufacturer.
2N4861UB-JFET-Nchannel Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| JFET Type | N-Channel | ?C |
| Drain-Source Voltage (VDS) | 25 | V |
| Gate-Source Voltage (VGS) | ??30 | V |
| Drain Current (ID) | 20 | mA |
| Gate Leakage Current (IGSS) | 5 | nA (Max) |
| Forward Transfer Admittance (|Yfs|) | 5 | mS (Min) |
| Power Dissipation (PD) | 310 | mW |
| Operating Temperature Range | -55 to +125 | ??C |
| Package Type | TO-18 Metal Can | ?C |
2N4861UB-JFET-Nchannel Key Features
- Low Noise Operation: Ensures high signal integrity in sensitive analog circuits, improving overall system accuracy.
- High Forward Transfer Admittance: Provides strong transconductance, enabling efficient amplification with minimal distortion.
- Wide Gate-Source Voltage Range: Offers design flexibility by accommodating ??30 V, suitable for various biasing conditions.
- Robust Power Dissipation: Supports up to 310 mW, enhancing reliability in environments with moderate thermal stress.
- Wide Temperature Range: Functions reliably between -55??C and +125??C, making it suitable for industrial-grade applications.
- Compact TO-18 Package: Facilitates easy integration into space-constrained designs while maintaining mechanical durability.
- Extremely Low Gate Leakage Current: Minimizes power loss and leakage effects, crucial for precision and low-power circuits.
Typical Applications
- Low-noise preamplifiers in instrumentation systems where signal fidelity is critical for measurement accuracy.
- Analog switches and choppers in high-precision analog signal processing circuits.
- Buffer amplifiers in audio and sensor interface circuits requiring stable and linear response.
- Voltage-controlled resistors and attenuators in analog control and modulation applications.
2N4861UB-JFET-Nchannel Advantages vs Typical Alternatives
This device provides superior low-noise performance and higher gate voltage tolerance compared to typical JFET alternatives. Its low gate leakage current reduces power consumption and leakage-related errors, enhancing measurement precision. The wide operating temperature range and robust power dissipation capacity ensure reliable operation in industrial environments. These advantages make it an optimal choice for engineers seeking stable, precise, and durable N-channel JFETs for demanding analog electronics.
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2N4861UB-JFET-Nchannel Brand Info
The 2N4861UB is manufactured by a leading semiconductor company specializing in discrete components tailored for industrial and instrumentation applications. Known for rigorous quality control and reliability, the brand ensures that each transistor meets stringent electrical and environmental standards. This product
