The 2SC3198GR is an NPN epitaxial silicon transistor manufactured by KEC (Korea Electronics Co.). It is primarily designed for use in low-noise amplifier applications and general-purpose switching circuits.

Applications:

• Low-noise amplifiers
• General-purpose switching
• Audio amplification stages
• High-frequency circuits
• Driver stages

Features:

• Low noise figure: Contributes to clear signal amplification.
• High current gain (hFE): Ensures efficient amplification of input signals.
• Low saturation voltage: Minimizes power loss during switching operations.
• Epitaxial silicon structure: Provides consistent and reliable performance.
• Green compound molding.

Benefits:

• Improved signal clarity in low-noise amplifier circuits.
• Efficient switching performance in digital circuits.
• Reduced power consumption due to low saturation voltage.
• Reliable operation across a wide range of temperatures.
• Environmentally friendly packaging.

Additional Details:

The 2SC3198GR typically comes in a TO-92 package. Key electrical characteristics include a collector-emitter voltage (VCEO) of 50V, a collector current (IC) of 150mA, and a power dissipation (PC) of 250mW. The typical noise figure is around 1dB at 1GHz. The hFE value can vary, so consult the datasheet for specific gain ranges. It is RoHS compliant.