The BUT11A is a high-power NPN silicon transistor designed for switching and amplifier applications in arcade electronics, MAME builds, and vintage cabinet restorations. This robust TO-220 package transistor is perfect for power supply circuits, audio amplifiers, and monitor deflection systems.

Technical Specifications

• Transistor Type: NPN Silicon Power Transistor
• Package: TO-220
• Collector Current: 15A continuous
• Collector-Emitter Voltage: 450V
• Power Dissipation: 150W
• Operating Temperature: -65°C to +150°C
• Mounting: Through-hole with heat sink tab

Applications & Compatibility

Essential component for arcade cabinet builders working on power supply repairs, CRT monitor restoration, and audio system upgrades. Commonly used in:

• Arcade cabinet power supplies
• MAME cabinet electronics
• CRT monitor horizontal output stages
• Audio amplifier circuits
• Switching power supplies
• Vintage arcade game PCB repairs

Why Choose This Transistor

High current handling capability and robust construction make this transistor ideal for demanding arcade applications. The TO-220 package provides excellent thermal performance with proper heat sinking, ensuring reliable operation in cabinet environments.