OKI POWER SUPPLY UNIT, 230V

Delivering a robust 200W of total output power from a 230V AC input, this OKI internal power supply unit is engineered for dependable performance in demanding office environments. It provides three regulated DC outputs—+24V at 5A, +5V at 8A, and +3.3V at 12A—ensuring stable power delivery to critical components. With passive cooling, it operates silently, making it ideal for noise-sensitive workspaces.

Overview

The OKI 4YB4049-1854P001 is a high-efficiency internal power supply designed for integration into various OKI printing and office devices. It converts 230V AC mains power into the precise DC voltages required by modern electronics. The unit features a compact internal form factor and connects via a multi-pin header, ensuring a secure and reliable connection. Its passive cooling design eliminates the need for a fan, reducing dust accumulation and extending the unit's lifespan.

What stands out

• High total output power of 200W with multiple voltage rails for versatile compatibility.
• Comprehensive protection suite: OVP, OCP, SCP, and OTP safeguard against electrical faults.
• Silent operation thanks to passive cooling—no moving parts to wear out or create noise.
• Wide operating temperature range (0°C to 50°C) for reliable performance in various climates.
• CE and RoHS certified, meeting strict safety and environmental standards.

Technical details

• Input Voltage: 230V AC, 50/60 Hz
• Output 1: +24V DC, max 5A
• Output 2: +5V DC, max 8A
• Output 3: +3.3V DC, max 12A
• Efficiency: >80%
• Cooling: Passive (no fan)
• Connectors: Internal wiring input, multi-pin header output
• Protection: OVP, OCP, SCP, OTP
• Operating Temperature: 0°C to 50°C
• Storage Temperature: -20°C to 70°C
• Humidity: 10% to 90% RH (non-condensing)
• Certifications: CE, RoHS

Our verdict

For service technicians and IT professionals maintaining OKI equipment, this power supply unit offers a perfect blend of reliability, safety, and silent operation. Its multi-voltage output and robust protection features make it a trustworthy replacement or upgrade component.