2SB647 2SD667 audio pair
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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
- 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
- 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
- Audio power amplifiers
- Hi-fi stereo amplifiers
- Speaker drivers in audio systems
- Power supplies
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment