The 2SA1244-O(T6L1.NQ) is a PNP silicon epitaxial planar transistor manufactured by Toshiba Semiconductor and Storage. It is designed for low-noise, high-gain amplifier applications, particularly in audio circuits. The 'O' in the part number designates a specific gain rank, and '(T6L1.NQ)' indicates the specific packaging and environmental compliance details.

Applications

• Audio preamplifiers
• Microphone amplifiers
• Low-noise input stages
• General-purpose amplification
• High-sensitivity receiver circuits

Features

• Low Noise Figure: Typically 1.0 dB
• High Current Gain (hFE): 200 to 400 (for 'O' rank)
• High Collector-Emitter Voltage (VCEO): -50 V
• High Collector Current (IC): -50 mA
• Excellent Linearity

Benefits

• Superior audio quality due to ultra-low noise performance.
• Enhanced signal amplification with high current gain.
• Reliable operation in low-voltage environments.
• Minimal signal distortion due to excellent linearity.
• Optimized for high-sensitivity applications.

Additional Details

The 2SA1244-O(T6L1.NQ) comes in a small surface-mount package, facilitating high-density PCB designs. Its low noise figure makes it ideal for sensitive audio circuits where minimizing noise is critical. The specific hFE range for the 'O' rank should be verified in the official Toshiba datasheet. Other key specifications include a collector power dissipation (PC) of approximately 200 mW and an operating junction temperature range from -55°C to +150°C. The '(T6L1.NQ)' suffix indicates specific packaging details and likely signifies compliance with environmental standards such as RoHS. Always refer to the official Toshiba datasheet for precise electrical characteristics, thermal resistance data, and application guidelines to ensure optimal performance and reliability.