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
TIS74
SMALL SIGNAL N-CHANNEL MOSFET
J109_D74Z
JFET N-CH 25V 625MW TO92
KSK595HMTF
JFET N-CH 1MA 100MW SOT23
BSV80
IC FET N-CH TO-18
J175,116
JFET P-CH 30V 0.4W TO92
2SK34260TL
JFET N-CH 2MA 100MW SSSMINI-3P
BSR58LT1G
JFET N-CH 40V 350MW SOT23
KSK596ABU
JFET N-CH 20V 0.1W TO-92S
J177,126
JFET P-CH 30V 400MW TO92-3
PMBF4392,215
JFET N-CH 40V 250MW SOT23
MMBFJ203
JFET N-CH 40V 350MW SOT23
BF246A_J35Z
JFET N-CH 30V 0.35W TO92
J174_D27Z
JFET P-CH 30V 0.35W TO92
J112G
JFET N-CH 35V 0.35W TO92
PN4117_D26Z
JFET N-CH 40V 0.35W TO92
TF256TH-5-TL-H
JFET N-CH 1MA 100MW VTFP
J108
JFET N-CH 25V 625MW TO92
2N5460_D74Z
JFET P-CH 40V 0.35W TO92
2N5459
JFET N-CH 25V 625MW TO92
J177_D26Z
JFET P-CH 30V 0.35W TO92