The 2SA1741 is a PNP silicon epitaxial transistor manufactured by NEC. It is designed for use in low-noise amplifier applications, particularly in audio equipment. This transistor provides excellent linearity and low-noise characteristics, making it suitable for sensitive audio signal amplification.

Applications:

• Low-noise audio amplifiers (e.g., preamplifiers, microphone amplifiers)
• Instrumentation amplifiers
• High-fidelity audio equipment
• Audio signal processing circuits
• Professional audio gear

Features:

• PNP Silicon Epitaxial Transistor
• Low Noise Figure
• High Current Gain (hFE)
• Excellent Linearity
• Low Saturation Voltage

Benefits:

• Ensures minimal added noise in sensitive audio signal amplification.
• Provides faithful signal reproduction with minimal distortion.
• Offers stable and reliable performance in low-noise amplifier circuits.
• Allows for the design of high-quality audio amplification systems.
• Contributes to improved audio clarity and signal-to-noise ratio in electronic devices.

Additional Details:

The 2SA1741's electrical characteristics include a collector-base voltage (VCBO) of -60V, a collector-emitter voltage (VCEO) of -50V, and an emitter-base voltage (VEBO) of -5V. The collector current (IC) is rated at -50mA, and the collector power dissipation (PC) is 250mW. The current gain (hFE) typically ranges from 200 to 600, depending on the specific operating conditions. The noise figure (NF) is typically very low, around 1 dB to 2 dB. The transistor is typically packaged in a TO-92 package.