The TDK-Lambda EMI EMS300-8 is a high-power switch-mode AC-to-DC power supply delivering 2500 W at up to 300 V DC and 8 A output. It operates as a constant current/constant voltage source with automatic crossover, featuring line and load regulation better than 0.1% across both voltage and current modes. The unit supports full programmability via analog control or optional RSTL digital interface, enabling flexible integration into automated test systems and burn-in environments.
## Technical Specifications
• Output: 300 V DC max, 8 A max, 2500 W
• Line Regulation: <0.1% of maximum output voltage/current
• Load Regulation (voltage mode): <0.1% across 100% load change
• Load Regulation (current mode): <0.1% across 100% load change (full load to short)
• Output Ripple: 75 mV P-P carrier; ~30% of P-P as RMS
• Overvoltage Protection: Standard on 300 VDC models
• AC Inrush: Soft start standard; input current during transients <full load current
• Operating Temperature: Up to 50°C at 60 Hz
## Key Features
• Programmable via analog or optional RSTL digital interface
• Remote voltage and current programming using external resistance or voltage
• AC Input (2.5 kW): 190–253 VAC, 28.5 A @ 47–63 Hz or 190–253 VAC, 16.5 A @ 30–63 Hz (user selectable); maximum input current at low line
• Load-dependent variable-speed air cooling
• Compact design with high power density
## Typical Applications
Laboratory test and burn-in, semiconductor processing, medical equipment development, scientific and research laboratories.
## Compatibility & Integration
Designed for systems integration with analog and digital control pathways. Remote programming accuracy follows local programming configuration specifications.
