The Toshiba 2SA1358-O(Q) is a silicon PNP epitaxial planar type transistor designed for high-frequency power amplifier applications. It is known for its low noise and high gain characteristics, making it suitable for use in RF and IF stages of various communication devices.

Applications

• RF Amplifiers: Used in the amplification stages of radio frequency signals in communication equipment.
• IF Amplifiers: Employed in intermediate frequency amplifier circuits.
• Oscillators: Utilized in oscillator circuits to generate high-frequency signals.
• Mixers: Used in mixer circuits to convert signals from one frequency to another.
• Communication Equipment: Found in various communication devices, including radios, transceivers, and base stations.

Features

• PNP Epitaxial Planar Type: Offers excellent high-frequency performance.
• High Gain: Provides significant signal amplification.
• Low Noise: Minimizes noise contribution in sensitive amplifier circuits.
• High Collector Current: Capable of handling relatively high current levels.
• Small Package: Compact size allows for easy integration into densely populated circuit boards.

Benefits

• Improved Signal Amplification: High gain characteristics enhance signal strength.
• Reduced Noise: Low noise figure ensures cleaner and more reliable signal transmission.
• High-Frequency Performance: Excellent performance at high frequencies enables use in demanding RF applications.
• Versatile Application: Suitable for a wide range of high-frequency amplifier and oscillator circuits.
• Compact Design: Small package allows for miniaturization of electronic devices.

Additional Details

The Toshiba 2SA1358-O(Q) has 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 -150mA, and the collector power dissipation (PC) is typically around 0.5W (check the datasheet for precise values). The transition frequency (fT) is typically in the range of several hundred MHz. The 'O' likely refers to a specific gain ranking, and '(Q)' might refer to a specific manufacturing lot or quality grade. The package type is typically a small signal transistor package, such as a TO-92 or SOT-23.