Agilent/Keysight 66111A DC Power Supply

The Agilent/Keysight 66111A is a fast transient DC power supply engineered for dynamic test environments requiring precise voltage and current control. Designed for R&D, semiconductor device characterization, and applications with fluctuating power demands, it delivers stable outputs with low noise and excellent regulation. Its rapid transient response and command processing speed minimize test interruptions and maximize manufacturing throughput.

Technical Specifications

• Output Voltage: 0–15 VDC


• Output Current: 0–3 A


• Peak Sourcing Current: 5 A


• Current Sinking Capability: Up to 2.8 A Transient Response:


• Voltage Rise/Fall Time (10/90% and 90/10%): Less than 2 ms


• Settling Time: Less than 6 ms (within 1 LSB, 0.025% × rated voltage)


• Command Processing Time: 4 ms average (GPIB-connected supplies) Regulation Performance:


• Line Regulation: Less than 0.001% for any line voltage variation within input rating


• Load Regulation (Front Terminals): Less than 0.001% plus 200 µV


• Load Regulation (Rear Terminals): Less than 0.001% plus 100 µV Protection & Monitoring:


• Overvoltage Protection with front-panel adjustable trip levels


• Overcurrent Protection for DUT safety


• Over-temperature Protection


• Remote Sense with open-wire detection

Key Features

• Low output noise minimizes signal interference


• GPIB-compatible remote programming interface


• Automatic sense-wire diagnostics


• Operating Temperature: 0°C to 50°C; Storage: −20°C to 85°C


• Altitude Rating: Up to 2000 meters


• Humidity: Maximum 95% relative humidity


• Safety Class I with protective earth terminal

Typical Applications Semiconductor device testing, component characterization under dynamic loads, battery charger evaluation, and sensitive circuit development where fast transient response and load regulation are critical.

Compatibility & Integration GPIB interface enables integration into automated test systems. Remote sensing terminals support extended-distance measurement configurations.