The TDI Power / Transistor Devices SPS5363-1 MP1000-48-20 is a 48 VDC power supply module engineered for distributed power applications requiring AC-to-DC conversion. Built on proven MP1000 architecture, this 3U form-factor PSU accepts worldwide AC input and delivers regulated DC output with integrated power factor correction, alarm monitoring, and field-proven reliability credentials.
Technical Specifications
Input & Output
• Input voltage: 90–264 VAC (worldwide)
• Output voltage: 48 VDC
• Form factor: 3U height; four units across 19″ shelf
• System power capability: 4000 W (standard) or 3000 W (N+1 redundant configuration)
Power Quality & Protection
• Power factor correction: Integrated
• Alarm signals: Included for system monitoring
• Status LEDs: Visual system indication
Thermal & Mechanical
• Design methodology: NAVMAT component derating guidelines
• Manufacturing screening: Highly Accelerated Stress Screening (HASS)
• Hot bus plug-in: Supported for field replacement without system shutdown
Certifications & Standards
• UL, CSA, VDE, CE Mark (LVD)
– Key Features
• N+1 redundant operation supported for mission-critical deployments
• High power density in compact package
• Field-proven track record with established reliability record
• High-quality component selection ensures stable performance and extended service life
– Typical Applications
• Computing and data center distributed power
• Telecommunications infrastructure
• Industrial equipment requiring wall-outlet AC conversion to regulated DC
• Systems where AC mains is the sole available power source
– Compatibility & Integration
The MP1000-48-20 integrates into 3U shelf configurations supporting four units per 19″ rack. Hot-plug capability enables modular scaling and maintenance without full system power-down. Alarm outputs provide real-time status integration into network management systems.
















