EZSBC PSU5 No Noise 5V Switch-Mode Voltage Regulator

The EZSBC PSU5 No Noise is a high-efficiency 5V 3A switch-mode voltage regulator designed as a direct replacement for the obsolete LM323K linear regulator. Perfect for MAME cabinet builders, arcade restorers, and electronics enthusiasts looking to modernize their power systems with improved efficiency and reduced heat generation.

Technical Specifications

• Output: 5V DC at 3 Amperes
• Input voltage range: Up to 20V maximum
• Switch-mode design for high efficiency
• Low noise operation
• Direct LM323K replacement
• Compact form factor

Compatibility & Applications

Ideal for powering various arcade components including logic boards, LED displays, and control circuits in vintage arcade cabinets, MAME builds, and custom gaming projects. The switch-mode design generates significantly less heat than linear regulators, making it perfect for enclosed cabinet environments.

Why Choose the PSU5 No Noise

• Superior efficiency compared to linear LM323K regulators
• Reduced heat generation extends component life
• Clean, stable 5V output for sensitive electronics
• Drop-in replacement simplifies vintage arcade repairs
• Reliable power solution for modern MAME builds