The BF247A is a high-performance N-Channel Junction Field Effect Transistor (JFET) from ON Semiconductor, designed for demanding analog applications. This discrete semiconductor product is part of ON Semiconductor's extensive JFET portfolio, renowned for their high quality and reliability. The BF247A is well-suited for a wide range of applications, including high-frequency amplifiers, oscillators, and electronic switching circuits.
Key Features
- Voltage Controlled Resistance: The BF247A operates as a voltage-controlled resistor with a low on-state resistance, offering precise control in analog circuit designs.
- Low Noise: This JFET is engineered to exhibit low noise characteristics, making it ideal for audio and instrumentation applications where signal integrity is critical.
- High Input Impedance: With its high input impedance, the BF247A minimizes the loading effect on preceding stages, preserving signal fidelity and ensuring minimal power loss.
- High Gain: The device provides high transconductance (gfs), allowing for greater amplification of signals, which is essential for high-gain amplifiers.
- Low Leakage Current: The BF247A is characterized by low leakage current, enhancing the overall stability and performance of the circuit.
Applications
The versatility of the BF247A JFET makes it suitable for a variety of electronic applications, including:
- Audio Frequency Amplifiers
- High-Frequency Oscillators
- Analog Switches
- Buffer Stages
- Impedance Matching Circuits
- Chopper Stabilized Amplifiers
Specifications
| Parameter |
Value |
| Drain-Source Voltage (Vds) |
30V |
| Gate-Source Voltage (Vgs) |
-30V |
| Drain Current (Idss) |
10mA |
| Gate Current (Igss) |
10nA |
For engineers and designers looking for a reliable N-Channel JFET, the ON Semiconductor BF247A is an excellent choice that combines performance with versatility, making it a valuable component in any analog signal processing application.