The Lambda/TDK EMI TCR40T125 is an SCR phase-controlled regulated power supply designed for industrial and laboratory applications requiring precise DC output control. This unit delivers low output ripple with integrated RFI filtering and operates across multiple AC input configurations with soft-start current management. The TCR40T125 maintains tight voltage and current regulation in both constant voltage and constant current modes, making it suitable for demanding test and system integration environments.
Technical Specifications
• Input: Multiple AC configurations available; soft-start feature to manage inrush current
• Output Regulation (Constant Voltage Mode): ±0.1% of set voltage for 5–100% load at 50–100% output; ±0.05% below 50% output
• Output Regulation (Constant Current Mode): ±0.1% of set current for 5–100% voltage variation at 50–100% output; ±0.05% below 50% output
• Temperature Coefficient (Voltage Set Point): 0.02%/°C of maximum output voltage rating
• Temperature Coefficient (Current Set Point): 0.03%/°C of maximum output current rating
• Operating Temperature: 0°C to 40°C (continuous duty)
• Storage Temperature: −40°C to +85°C
• Dielectric Withstand: 2500 Vrms (primary to secondary and chassis)
• Cooling: Fan-cooled with horizontal air ducting
• RFI Filtering: Internal ferrite toroidal chokes with VDE-listed X and Y capacitors
– Key Features
• SCR phase-controlled architecture for stable output under varying loads
• Remote voltage sensing capability for precision applications
• Protected input, output, and programming terminals
• Designed for master/slave and parallel operation compatibility with other TDK-Lambda series units
• Low output ripple performance across operating range
– Typical Applications
• Precision DC power for laboratory test equipment
• Industrial process control and automation systems
• Parallel and redundant power configurations
• Applications requiring tight load and line regulation
– Compatibility & Integration
The TCR40T125 integrates with TDK-Lambda’s common programming architecture, enabling straightforward configuration for parallel or master/slave system topologies.
