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
BFT46,215
JFET N-CH 10MA 250MW SOT23
SST174-E3
JFET N-CH 30V 20MA SOT-23
2N4118A
MOSFET N-CH 40V 80UA TO-206AF
BFR30,215
JFET N-CH 10MA 250MW SOT23
2N4416-E3
JFET N-CH 30V 0.3W TO-206AF
FJX597JBTF
JFET N-CH 20V 0.1W SOT323
J109_D75Z
JFET N-CH 25V 625MW TO92
2N5457
JFET N-CH 25V 0.31W TO-92
MMBF5460LT1
JFET P-CH 40V 0.225W SOT23
PN4303
JFET N-CH 30V 625MW TO92
MPF4393G
JFET N-CH 30V 0.35W TO92
J175_D74Z
JFET P-CH 30V 0.35W TO92
2N3820_D26Z
JFET P-CH 20V 0.35W TO92
SST5485-T1-E3
JFET P-CH 35V 4MA SOT-23
J110,126
JFET N-CH 25V 0.4W SOT54
BFR30,235
JFET N-CH 10MA 250MW SOT23
MPF4393
JFET N-CH 30V 0.35W TO92
J175_D75Z
JFET P-CH 30V 0.35W TO92
J201
JFET N-CH 40V 0.625W TO92
TIS74_J35Z
JFET N-CH 30V 0.35W TO92