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
SST5461-T1-E3
JFET P-CH 55V 2MA SOT-23
PN4092_J18Z
JFET N-CH 40V 0.625W TO92
U1897
JFET N-CH 40V 0.625W TO92
J201_D27Z
JFET N-CH 40V 0.625W TO92
J177_D75Z
JFET P-CH 30V 0.35W TO92
CMPF5485 TR
JFET N-CH 25V 10MA SOT23
2SK11030QL
JFET N-CH 20MA 150MW MINI-3
MMBFU310LT1
MOSFET SS N-CHAN 25V SOT23
MMBF4393LT1
JFET N-CH 30V 0.225W SOT23
J110_D75Z
JFET N-CH 25V 625MW TO92
PN4393_D74Z
JFET N-CH 30V 625MW TO92
J105_D27Z
JFET N-CH 25V 625MW TO92
SST4119-T1-E3
JFET N-CH 70V 200UA SOT-23
FJN598JATA
JFET N-CH 20V 0.15W TO92
KSK30RBU
JFET N-CH 50V 0.1W TO92
PN4392_D26Z
JFET N-CH 30V 625MW TO92
KSK596PBWD
JFET N-CH 20V 0.1W TO-92S
FJN598JCTA
JFET N-CH 20V 0.15W TO92
2N5461RLRA
JFET P-CH 40V 0.35W TO92
2N4416A-2
MOSFET N-CH 35V 5MA TO-206AF