The Lambda/TDK TCR20S135-2-LB-0466-OV is a regulated DC power supply from the TCR series, engineered for industrial and laboratory environments requiring stable output voltage and current. This 1U rack mount/bench-top unit delivers consistent power to sensitive electronic equipment and complex systems through precision regulation and internal noise filtering.
Technical Specifications
Input Specifications
• AC input: 115 VAC (105–130 V), 47–63 Hz standard configuration
• Optional AC inputs available: 100 V, 200 V, 208/220 V
• Soft-start circuit prevents inrush current surge
• Internal RFI filter with ferrite toroidal chokes and VDE-listed capacitors
Output Performance
• Load regulation (5–100% of maximum rating): <0.1% of set voltage (50–100% output range); <0.05% of maximum output (below 50% output)
• Temperature coefficient — voltage: 0.02%/°C of maximum output voltage rating
• Temperature coefficient — current: 0.03%/°C of maximum output current rating
• Output ratings specified for 0°C to 40°C ambient; derate current by 10% at 50°C operation
Thermal & Mechanical
• Operating temperature range: 0°C to 40°C continuous duty
• Storage temperature: −40°C to +85°C
• Cooling: Fan-cooled with horizontal air ducting
• Dimensions: 423 mm W × 43.6 mm H × 441.5 mm D (16.65 in × 1.72 in × 17.38 in)
• Weight: 7500 g typical (16.5 lbs typical)
– Key Features
• Thermostat-protected critical circuitry
• Enclosed input, output, and programming terminals
• Exceptional voltage regulation across load variations
• Low temperature drift for precision applications
• Efficiency exceeds 85% across the TCR series
– Typical Applications
Electronics manufacturing, test laboratories, system integration, and any environment demanding tight voltage stability and low output ripple.












