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
2N4416
JFET N-CH 30V 0.3W TO-206AF
2N6660JAN02
MOSFET JFET N-CH
FJN598JBTA
JFET N-CH 20V 0.15W TO92
2SK3372GRL
JFET N-CH 2MA 100MW SSSMINI-3
2N3820
JFET P-CH 20V 0.35W TO92
J113,126
JFET N-CH 40V 400MW TO92-3
MMBFJ309LT1
MOSFET SS N-CHAN 25V SOT23
J174
JFET P-CH 30V 0.35W TO92
2N5457G
JFET N-CH 25V 0.31W TO92
2N5459_D75Z
JFET N-CH 25V 625MW TO92
MMBF5484LT1
MOSFET SS N-CHAN 25V SOT23
2SJ01630RL
JFET P-CH 20MA 150MW MINI-3
J111_D27Z
JFET N-CH 35V 625MW TO92
2SJ03640QL
JFET P-CH 20MA 150MW SMINI3P
2SK3372GTL
JFET N-CH 2MA 100MW SSSMINI-3
KSK596PAWD
JFET N-CH 20V 0.1W TO-92S
MMBFJ175
P-CHANNEL JFET, TO-236AB
SST5486-E3
JFET P-CH 35V 8MA SOT-23
J105
SMALL SIGNAL FIELD-EFFECT TRANSI
2N5461_D74Z
JFET P-CH 40V 0.35W TO92