
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
2SK2394-7-TB-E
JFET N-CH 50MA 200MW 3CP
2N5639_D26Z
JFET N-CH 30V 0.35W TO92
P1087_D74Z
JFET P-CH 30V 0.35W TO92
2SK2593JQL
JFET N-CH 30MA 125MW SSMINI-3
J105_D74Z
JFET N-CH 25V 625MW TO92
J201_D74Z
JFET N-CH 40V 0.625W TO92
DSK5J01Q0L
JFET N-CH 30MA 150MW SMINI3-F2-B
J113_D26Z
JFET N-CH 35V 625MW TO92
MPF4392
JFET N-CH 30V 0.35W TO92
PN4391
SMALL SIGNAL N-CHANNEL MOSFET
2N5461
JFET P-CH 40V 0.35W TO92
2SK3372GUL
JFET N-CH 2MA 100MW SSSMINI-3
SMMBFJ177LT1
TRANS JFET P-CH SOT23
J112RLRAG
JFET N-CH 35V 0.35W TO92
MMBFJ177LT1
MOSFET SS P-CHAN 25V SOT23
PN5434_D27Z
JFET N-CH 25V 0.35W TO92
2N4119A-2
MOSFET N-CH 40V 200UA TO-206AF
J108_D74Z
JFET N-CH 25V 625MW TO92
2N5462
JFET P-CH 40V 0.35W TO92
TIS75_J35Z
JFET N-CH 30V 0.35W TO92