The 2SC4543 is a silicon NPN epitaxial planar transistor manufactured by Panasonic. This transistor is designed for high-frequency amplification and oscillation applications.

Applications:

• RF Amplifiers: Used in radio frequency (RF) amplifier circuits for signal amplification.
• Oscillators: Employed in oscillator circuits to generate high-frequency signals.
• Mixers: Used in mixer stages of communication equipment.
• High-Frequency Applications: Suitable for various high-frequency circuit designs requiring amplification and signal generation.

Features:

• NPN Epitaxial Planar Transistor: Utilizes a silicon NPN type transistor with an epitaxial planar structure.
• High Transition Frequency (fT): Provides a high transition frequency, making it effective for high-frequency applications.
• Low Noise Figure: Designed for low-noise amplification in sensitive receiver applications.
• High Power Gain: Delivers substantial power gain in amplifier circuits.
• Small Signal Amplifier: Optimized for amplifying small signals with minimal distortion.

Benefits:

• Excellent High-Frequency Performance: Enables efficient operation in high-frequency circuits and applications.
• Low Noise Amplification: Minimizes noise, ensuring clear and accurate signal amplification.
• Reliable Signal Generation: Provides stable and consistent signal generation in oscillator circuits.
• Compact Design: Well-suited for compact and space-sensitive electronic devices.
• Versatile Applications: Suitable for use in a wide range of RF and high-frequency applications, including communication systems.

Additional Details:

The 2SC4543 transistor features a collector-emitter voltage (VCEO) of 15V, a collector current (IC) of 50mA, and a power dissipation (PC) of 250mW. Its high transition frequency (fT) typically exceeds 7 GHz, making it ideal for high-frequency applications. The device is available in a small surface-mount package, facilitating easy integration into modern electronic circuits. The low noise figure ensures that the amplified signal remains clean, which is crucial for sensitive receiver applications. Manufactured with Panasonic's advanced semiconductor technology, the 2SC4543 offers high reliability and consistent performance, making it suitable for applications where low-noise, high-gain amplification is required in high-frequency circuits.