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
PMBFJ111,215
JFET N-CH 40V 0.3W SOT23
J109_D27Z
JFET N-CH 25V 625MW TO92
J202_D27Z
JFET N-CH 40V 0.625W TO92
KSK30YTA
JFET N-CH 50V 0.1W TO92
CMPF4416A TR
JFET N-CH 35V 10MA SOT23
PN5434_D26Z
JFET N-CH 25V 0.35W TO92
PMBFJ174,215
JFET P-CH 30V 0.3W SOT23
2SK3666-4-TB-E
JFET N-CH 30V 0.2W CP
PN4392_D27Z
JFET N-CH 30V 625MW TO92
J109,126
JFET N-CH 25V 0.4W SOT54
BFR31LT1G
JFET N-CH 225MW SOT23
P1087
JFET P-CH 30V 350MW TO92
MMBF5457LT1
MOSFET SS N-CHAN 25V SOT23
2N5460_D27Z
JFET P-CH 40V 0.35W TO92
2SK33720UL
JFET N-CH 2MA 100MW SSSMINI-3P
CP210-2N4416-CT20
TRANS JFET NCH 1=20PCS
2SK715V-AC
JFET N-CH 50MA 300MW SPA
PN4393 TRA
JFET N-CH 40V 0.625W TO92
MMBFJ271
JFET P-CH 30V 0.225W SOT23
2SK0663GRL
JFET N-CH 30MA 150MW SMINI-3