| Type | N-channel JFET |
| Drain-Source Voltage (V<sub>DS</sub>) | 25V |
| Gate-Source Voltage (V<sub>GS</sub>) | ±20V |
| Drain Current (I<sub>D</sub>) | 30 mA |
| Power Dissipation (P<sub>D</sub>) | 300 mW |
| Gate-Source Cutoff Voltage (V<sub>GS(off)</sub>) | -0.3V to -1.5V |
| Forward Transconductance (g<sub>fs</sub>) | 12.5 mS (typical) |
| Noise Figure | 0.5 dB (typical) at 100 MHz |
| Input Capacitance (C<sub>iss</sub>) | 4.5 pF (typical) |
| Package | SOT-23 |
The BF862 is a high-performance N-channel junction field-effect transistor (JFET) designed primarily for high-frequency applications, including RF amplification and low-noise circuits. It is known for its very low noise figure and high gain, making it suitable for sensitive signal amplification tasks.
Applications:
– RF Amplifiers: Used in RF front ends, low-noise amplifiers (LNAs), and mixers.
– High-Frequency Circuits: Suitable for VHF, UHF, and microwave frequency applications.
– Sensor Amplification: Ideal for amplifying signals from low-level sensors due to its low noise characteristics.
– General-Purpose Amplifiers: Can be used in a variety of amplification circuits where low noise and high performance are required.