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The 2SA1232 is a PNP silicon epitaxial planar transistor manufactured by NEC. Below are its key specifications, descriptions, and features:

Specifications:

• Transistor Type: PNP
• Collector-Base Voltage (VCBO): -120V
• Collector-Emitter Voltage (VCEO): -120V
• Emitter-Base Voltage (VEBO): -5V
• Collector Current (IC): -1.5A
• Total Power Dissipation (PT): 1W (at 25°C)
• Junction Temperature (Tj): 150°C
• Storage Temperature (Tstg): -55°C to +150°C
• DC Current Gain (hFE): 60 to 320 (at VCE = -5V, IC = -150mA)
• Transition Frequency (fT): 80MHz (Typical)

Description:

The 2SA1232 is a high-voltage PNP transistor designed for general-purpose amplification and switching applications. It is suitable for use in power amplifiers, voltage regulators, and driver circuits.

Features:

• High Voltage Capability: Supports up to -120V (VCBO).
• High Current Handling: Maximum collector current of -1.5A.
• Good Linearity: Provides stable amplification characteristics.
• Low Saturation Voltage: Ensures efficient switching performance.
• Epitaxial Planar Structure: Enhances reliability and performance.

This transistor is commonly used in audio amplifiers, power supply circuits, and other electronic applications requiring high-voltage PNP transistors.

(Note: Always refer to the official NEC datasheet for precise details and application guidelines.)