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
MMBF5462
JFET P-CH 40V 0.225W SOT23
SST5485-E3
JFET P-CH 35V 4MA SOT-23
2SK33720RL
JFET N-CH 2MA 100MW SSSMINI-3P
MMBF5461
SMALL SIGNAL FIELD-EFFECT TRANSI
PN4117A_D26Z
JFET N-CH 40V 0.35W TO92
KSK596BBU
JFET N-CH 20V 0.1W TO-92S
J202
JFET N-CH 40V 0.625W TO92
J176_D27Z
JFET P-CH 30V 0.35W TO92
J176
SMALL SIGNAL P-CHANNEL MOSFET
2N4341
IC JUNCTION FET N-CH TO-18
BFR31,235
JFET N-CH 10MA 250MW SOT23
2N4117A
MOSFET N-CH 40V 30UA TO-206AF
BF246B_J35Z
JFET N-CH 25V 625MW TO92
TIS75
JFET N-CH 30V 0.35W TO92
J106_D26Z
JFET N-CH 25V 625MW TO92
J112_D11Z
JFET N-CH 35V 625MW TO92
TF202THC-5-TL-H
JFET N-CH 1MA 100MW VTFP
PMBFJ110,215
JFET N-CH 25V 250MW SOT23
P1086_D75Z
JFET P-CH 30V 0.35W TO92
MMBFJ177
P-CHANNEL JFET, TO-236AB