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
SST5484-E3
JFET P-CH 35V 1MA SOT-23
SST5484-T1-E3
JFET P-CH 35V 1MA SOT-23
TIS75_D75Z
JFET N-CH 30V 0.35W TO92
J177_D74Z
JFET P-CH 30V 0.35W TO92
BSR56
JFET N-CH 40V 250MW SOT23
MMBF4392LT1
JFET SS N-CHAN 30V SOT23
BFR31LT1
JFET N-CH 225MW SOT23
P108718
JFET P-CH 30V 0.35W TO92
TF202THC-3-TL-HX
JFET N-CH 1MA 100MW VTFP
MMBF5460
JFET P-CH 40V 0.225W SOT23
J271
JFET P-CH 30V 0.35W TO92
PMBFJ309,215
JFET N-CH 25V 250MW SOT23
MMBF5457LT1G
JFET N-CH 25V 0.225W SOT23
SST204-T1-E3
JFET N-CH 25V 0.35W SOT-23
KSK596PCWD
JFET N-CH 20V 0.1W TO-92S
BFR31,215
JFET N-CH 10MA 250MW SOT23
2N5462G
JFET P-CH 40V 0.35W TO92
MMBF4119
N-CHANNEL JFET
PN5432_D27Z
JFET N-CH 25V 0.35W TO92
PN4119
JFET N-CH 40V 0.35W TO92