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.
Filter and sort
Categories
SST94 SOT-89 3L
GENERAL PURPOSE SINGLE P-CHANNEL
MQ2N4093UB/TR
JFET
2N4859UB/TR
JFET
2N3821
N CHANNEL JFET
MX2N4391
N CHANNEL JFET
MV2N4856UB
N CHANNEL JFET
LSK389BSOIC8LTB
LOW NOISE, MONOLITHIC DUAL, N-CH
MQ2N5115
JFET
MQ2N5116UB/TR
JFET
MX2N4856
N CHANNEL JFET
MV2N4856
N CHANNEL JFET
2N5546
JFET - DUAL
2N4858U/TR
JFET - DUAL
MX2N4861UB
JFET
3N206
N-CHANNEL POWER MOSFET
MQ2N4861
JFET
2N4858
N CHANNEL JFET
MX2N4861UB/TR
JFET
2N4857UB
N CHANNEL JFET
MV2N4092UB
N CHANNEL JFET