2SB647 2SD667 audio pair

Description: The 2SB647 (PNP) and 2SD667 (NPN) are complementary silicon power transistors designed for use in audio amplifier applications. They are often paired together in a push-pull configuration to drive speakers in high-fidelity audio amplifiers. These transistors are characterized by their high current and power handling capabilities, low distortion, and excellent thermal stability, making them suitable for demanding audio applications. Key Features:

• Complementary PNP (2SB647) and NPN (2SD667) transistors
• High current and power handling capability
• Low distortion
• Excellent thermal stability
• Designed for audio amplifier applications

Technical Specifications (2SB647):

• Collector-Base Voltage (VCBO): -160V
• Collector-Emitter Voltage (VCEO): -120V
• Emitter-Base Voltage (VEBO): -5V
• Collector Current (IC): -7A
• Power Dissipation (Ptot): 60W
• Operating Temperature Range: -55°C to +150°C
• Package Type: TO-220

Technical Specifications (2SD667):

• Collector-Base Voltage (VCBO): 160V
• Collector-Emitter Voltage (VCEO): 120V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 7A
• Power Dissipation (Ptot): 60W
• Operating Temperature Range: -55°C to +150°C
• Package Type: TO-220

Applications:

• Audio power amplifiers
• Hi-fi stereo amplifiers
• Speaker drivers in audio systems
• Power supplies

Datasheet: For detailed technical information, refer to the 2SB647 and 2SD667 transistor datasheets.