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.
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Categories
FJX597JCTF
JFET N-CH 20V 0.1W SOT323
CP206-2N4393-CT20
JFET N-CH 40V 1=20PCS
PMBFJ113,215
JFET N-CH 40V 0.3W SOT23
2SK545-11D-TB-E
JFET N-CH 1MA 125MW CP
KSK30YBU
JFET N-CH 50V 0.1W TO92
FJN598JBBU
JFET N-CH 20V 0.15W TO92
TF414T5G
JFET N-CH 40V SOT883
PN4393_D27Z
JFET N-CH 30V 625MW TO92
2N4118A-E3
MOSFET N-CH 40V 80UA TO-206AF
J175_D27Z
JFET P-CH 30V 0.35W TO92
J112RL1G
JFET N-CH 35V 0.35W TO92
U1898
SMALL SIGNAL N-CHANNEL MOSFET
FJZ594JTF
JFET N-CH 20V 0.1W SOT623F
J270_D27Z
JFET P-CH 30V 0.35W TO92
J113_D27Z
JFET N-CH 35V 625MW TO92
J110G
JFET N-CH 25V 0.31W TO92
PMBFJ175,215
JFET P-CH 30V 0.3W SOT23
MMBF5457
JFET N-CH 25V 350MW SOT23
BSR57,215
JFET N-CH 40V 250MW SOT23
PN4392_D75Z
JFET N-CH 30V 625MW TO92