Toshiba 2SA1943 Transistor, PNP, -15A

The Toshiba 2SA1943 is a high-power, high-performance PNP transistor commonly used in audio amplifier circuits. Below are its detailed specifications:

Specifications:

1. Type: PNP Bipolar Junction Transistor (BJT)
2. Maximum Collector-Emitter Voltage (Vce): -230V
3. Maximum Collector Current (Ic): -15A
4. Power Dissipation (Pc): 150W
5. DC Current Gain (hFE): Typically 55-160 (depends on operating conditions)
6. Base-Emitter Voltage (Vbe): -1.5V (maximum)
7. Transition Frequency (fT): 30 MHz
8. Package Type: TO-3P
9. Operating Temperature Range: -55°C to 150°C

Features:

• High power dissipation (150W)
• Excellent linearity, making it suitable for audio amplification
• High collector current capability (-15A), suitable for demanding applications
• Complementary to the 2SC5200 (NPN transistor), often used together in push-pull amplifier designs

Applications:

• High-power audio amplifiers
• Motor control circuits
• General-purpose high-power switching
• Signal processing in industrial systems

Notes:

• Ensure proper heat sinking due to high power dissipation.
• Toshiba’s 2SA1943 is a popular choice for high-quality audio amplifier designs due to its low distortion and reliability.