Applications

• VHF/UHF Amplifiers: Used in radio frequency amplifiers for VHF and UHF communication equipment.
• Low Noise Amplifiers (LNAs): Ideal for amplifying weak signals while minimizing added noise.
• Oscillators: Employed in oscillator circuits for generating radio frequency signals.
• Mixers: Used in mixer circuits for frequency conversion in radio receivers and transmitters.

Features

• NPN Silicon Epitaxial Planar Transistor: Provides reliable and consistent performance.
• Low Noise Figure: Ensures minimal noise addition in amplifier circuits.
• High Gain: Offers high amplification for weak input signals.
• High Transition Frequency (fT): Suitable for high-frequency applications.

Benefits

• Improved Signal Reception: Low noise figure enhances the reception of weak signals in communication devices.
• Enhanced Amplifier Performance: High gain provides strong amplification for various RF applications.
• Reliable Operation: The silicon NPN structure ensures stable and consistent performance.
• Versatile Use: Suitable for a wide range of RF applications, from amplifiers to oscillators.

Additional Details

The 2SC4251T5LND1 has a collector-base voltage (VCBO) of 30V, a collector-emitter voltage (VCEO) of 20V, and an emitter-base voltage (VEBO) of 3V. The collector current (IC) is rated at 50mA, and the power dissipation (PC) is 200mW. The transition frequency (fT) is typically around 6.5 GHz. It is typically supplied in a small surface mount package. Proper impedance matching is crucial to achieve optimal performance in RF circuits.