2SA1943 Transistor PNP TOSHIBA. 2SA1943 Transistor Price. 2SA1943 Amplifier. 2SA1943 transistor watts. 1943 Transistor.
- Collector-Base voltage: -230V
- Collector-Emitter voltage: 0230V
- Emitter Base Voltage: -5V
- Collector current: 15A
- Base Current: 1.5A
- Medium-power PNP Transistor
- Audio frequency Amplifier
Download 2SA1943 Transistor Datasheet PDF.
2SA1943 Transistor PNP – Original TOSHIBA | High-Power Audio Output Transistor
The Toshiba 2SA1943 is a high-performance PNP power transistor widely used in high-power audio amplifier circuits, Hi-Fi systems, and professional sound equipment. Known for its excellent linearity, high current handling, and low distortion, this transistor is preferred by technical professionals for amplifier PCB repair and custom audio builds.
Key Features
- Original TOSHIBA PNP Power Transistor
- Ideal for Class AB audio amplifier output stages
- High collector current for powerful sound output
- Excellent frequency response and low distortion
- Durable build for long-term performance
- Suitable for amplifier repair, upgrades, and DIY audio projects
- Recommended for technical persons only
Technical Specifications
- Transistor Type: PNP
- Manufacturer: TOSHIBA
- Model: 2SA1943
- Polarity: PNP
- Package Type: TO-3P
- Collector-Emitter Voltage (VCEO): –230V
- Collector-Base Voltage (VCBO): –230V
- Emitter-Base Voltage (VEBO): –5V
- Collector Current (IC): –15A (Continuous)
- Collector Power Dissipation (PC): 150W
- Transition Frequency (fT): 30 MHz
- DC Current Gain (hFE): 55 – 160
- Operating Temperature: –55°C to +150°C
- Complementary Pair: 2SC5200 (NPN)
Applications
- High-power audio amplifier output stages
- Home theatre amplifiers
- Professional PA systems
- DIY Audio Amplifier Projects
- Amplifier PCB repair and replacement


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