The BFS17L is a NPN wideband transistor manufactured by Zetex Semiconductors. This transistor is designed for high-frequency applications, particularly in VHF and UHF bands. It is commonly used in oscillator, amplifier, and mixer circuits. The 'L' designation typically signifies a specific packaging or performance characteristic within the BFS17 family.

Applications

• VHF/UHF amplifiers
• Oscillators
• Mixers
• RF front-ends
• High-frequency switches
• Television tuners

Features

• High transition frequency (fT)
• Low noise figure
• High gain
• Small signal amplification
• Surface mount package

Benefits

• Improved signal amplification in high-frequency circuits
• Reduced noise in sensitive receiver applications
• Enhanced performance in VHF/UHF communication systems
• Compact design due to small package size
• Ease of integration into modern electronic devices

Technical Specifications

Typical specifications for the BFS17L transistor include:

• Collector-Emitter Voltage (VCEO): 15 V
• Collector Current (IC): 25 mA
• Transition Frequency (fT): Typically around 6 GHz
• Noise Figure (NF): Low, typically around 2 dB at high frequencies
• Power Gain: High, depends on the specific operating conditions
• Package: SOT-23 or equivalent surface mount package

Important Note: Given that the BFS17L is listed as END-OF-LIFE, sourcing this component may be challenging. Consider alternative transistors with similar specifications for new designs.