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
SST204-E3
JFET N-CH 25V .7MA SOT-23
2N5457_D74Z
JFET N-CH 25V 625MW TO92
2SK23800QL
JFET N-CH 1MA 125MW SSMINI-3
JANTX2N4857
JFET N-CH 40V 360MW TO-18
2N5638_D26Z
JFET N-CH 30V 0.35W TO92
PN4391 TRE
JFET N-CH 40V 0.625W TO92
2N4117A-2
MOSFET N-CH 40V 30UA TO-206AF
5285-MMBFJ201
JFET N-CH 40V SOT23
PN4092_D26Z
JFET N-CH 40V 0.625W TO92
J111_D75Z
JFET N-CH 35V 625MW TO92
PN4392
JFET N-CH 30V 625MW TO92
DSK5J01P0L
JFET N-CH 30MA 150MW SMINI3-F2-B
J174_D74Z
JFET P-CH 30V 0.35W TO92
FJN598JCBU
JFET N-CH 20V 0.15W TO92
SST201-T1-E3
JFET N-CH 25V .7MA SOT-23
PN4092
JFET N-CH 40V 0.625W TO92
2N5458G
JFET N-CH 25V 0.31W TO92
PN4117
JFET N-CH 40V 0.35W TO92
2SK33720TL
JFET N-CH 2MA 100MW SSSMINI-3P
PN4391_D27Z
JFET N-CH 30V 625MW TO92