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Transistors - JFETs
Transistors - JFETs

Category Introduction: Transistors - JFETs

Definition:
Transistors - JFETs (Junction Field-Effect Transistors) are a specialized type of discrete semiconductor device that controls current flow using an electric field. Unlike bipolar transistors, JFETs operate with a voltage-controlled channel, offering high input impedance, low noise, and excellent linearity. They are widely used in amplification, switching, and signal processing applications where precise control and minimal distortion are critical.

Types of JFETs:
This category includes several variants tailored for different circuit requirements:
- N-Channel JFETs: Conduct current when a negative voltage is applied to the gate, ideal for low-power applications.
- P-Channel JFETs: Operate with a positive gate voltage, suited for complementary designs.
- Dual JFETs: Integrate two JFETs in a single package for matched performance in differential circuits.
- RF JFETs: Optimized for high-frequency applications like communication systems.

Purchasing Recommendations:
When selecting JFETs, consider the following:
1. Application Needs: Match specifications (e.g., cutoff voltage, transconductance) to your circuit s demands (e.g., audio amps, sensors).
2. Noise Performance: For sensitive analog circuits (e.g., preamps), prioritize low-noise models.
3. Packaging: Choose through-hole or surface-mount (SMD) options based on assembly methods.
4. Supplier Reliability: Source from trusted manufacturers (e.g., ON Semiconductor, Vishay) to ensure consistency and longevity.

JFETs excel in niche applications requiring high impedance and stability. Evaluate datasheets thoroughly to optimize performance and cost-efficiency.

Found 1076 items

2N4856UB

N CHANNEL JFET


LSK489B TO-71 6L ROHS

LOW NOISE, LOW CAPACITANCE, MONO


LSK489 SOT-23 6L ROHS

LOW NOISE, LOW CAPACITANCE, MONO


MX2N4392UB

N CHANNEL JFET


MX2N4858

N CHANNEL JFET


MV2N5114UB

JFET


LSK489A TO-71 6L ROHS

LOW NOISE, LOW CAPACITANCE, MONO


2N4416AUB/TR

JFET


MX2N5116

N CHANNEL JFET


MQ2N4392UB/TR

JFET


MV2N4859

N CHANNEL JFET


2N4091E3

N-CHANNEL J-FET


MQ2N5114UB

JFET


MQ2N4858UB/TR

JFET


TF410-TL-HX

N-CHANNEL SILICON JUNCTION FET


MV2N4860UB/TR

JFET


2N4861

JFET


MQ2N4091

JFET


2N4393

N CHANNEL JFET


MV2N5115

JFET


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