2SA1943 PNP Power Amplifier Transistor 230V 15A TO-3PL Package

2SA1943 PNP Power Amplifier Transistor 230V 15A TO-3PL Package

The 2SA1943 is a PNP bipolar power transistor commonly used in high-power audio amplifiers and other power switching applications. It is designed to handle high current and voltage, making it ideal for audio output stages in amplifiers.

• Type: PNP
• Package: TO-3PL (high-power transistor package for better heat dissipation)
• Complementary Pair: Often paired with 2SC5200 (NPN) in push-pull amplifier designs.

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Key Features

• Collector-Emitter Voltage (Vceo): 230V
• Collector Current (Ic): 15A
• Power Dissipation (Pc): Around 150W (depending on heat sinking)
• hFE (DC Current Gain): Typically 55–160
• Transition Frequency (ft): ~10 MHz
• Low Saturation Voltage: For efficient switching
• Robust Construction: TO-3PL metal package ensures better heat dissipation and reliability under high-power conditions.

Applications

• High-power audio amplifier output stages
• High-current switching circuits
• Power regulation and motor control circuits
• Any circuit requiring high-voltage, high-current PNP transistors.

2sa1943-transistor-datasheet