Toshiba 2SA1943 Transistor – PNP 250V 17A 150W TO-264 | High Fidelity and Power

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🔧 Technical specifications – 2SA1943 Toshiba (Original)

• Type: PNP power transistor (Silicon – triple diffusion)
• Model: 2SA1943
• Package: TO-264
• Collector-emitter voltage (V _CEO ): −250 V
• Collector current (I _C ): −17 A
• Maximum dissipation ( _PC ): 150 W
• DC current gain (h _FE ): 55–160 @ 1 A
• Transition frequency (f _T ): 30 MHz
• Collector-emitter saturation voltage (V _CE(sat) ): max. −3.0 V @ 8 A
• Typical base-emitter voltage (V _BE ): −1.0 to −1.5 V @ 7 A
• Operating temperature range: −55°C to +150°C
• Complementary: 2SC5200

✅ Recommended apps

• High-fidelity (Hi-Fi) audio amplifiers
• Professional sound equipment
• Output stages in class AB amplifiers
• Audio systems up to 100 W real per channel

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📄 View technical data sheet (PDF)