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  4. B688 Power Transistor (2SB688)
B688 Power Transistor (2SB688)

B688 Power Transistor (2SB688)

NPR 150

In stock

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Disclaimer: Images are for illustration only. Specifications may vary by batch.

The B688 transistor (commonly known as 2SB688) is a high-power PNP bipolar junction transistor designed for use in audio amplifier circuits and power regulation applications. It is widely used in complementary push-pull amplifier stages along with its NPN pair for efficient signal amplification.

This transistor is known for its strong current handling capability, low distortion performance, and reliable operation in high-power electronic circuits. It is commonly used in audio systems, power amplifiers, and voltage regulation modules.

Key Features

  • High current handling capability
  • Low distortion for audio amplification
  • Suitable for complementary push-pull configuration
  • High power dissipation capability
  • Stable performance in linear applications
  • Reliable switching and amplification characteristics

Technical Specifications

  • Part Number: 2SB688 (B688)
  • Type: PNP Power Transistor
  • Collector-Emitter Voltage (Vce): approx. 80V
  • Collector Current (Ic): up to 8A
  • Power Dissipation: up to 80W (with proper heat sink)
  • Transition Frequency: ~3 MHz (typical)
  • Package Type: TO-220

Applications

  • Audio power amplifiers
  • Push-pull amplifier stages
  • Power supply regulation circuits
  • Voltage amplification circuits
  • DIY amplifier projects
  • Industrial electronic control systems
SKU1920
CategoryIntergrated Circuit
AvailabilityIn stock

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The B688 transistor (commonly known as 2SB688) is a high-power PNP bipolar junction transistor designed for use in audio amplifier circuits and power regulation applications. It is widely used in complementary push-pull…

SKU: 1920
Categories: Intergrated Circuit
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