Agilent/Keysight 6633B DC Power Supply

The Agilent/Keysight 6633B is a 100 W single-output DC power supply delivering 0–50 V at 0–2 A with series-pass regulation and programmable control via GPIB/RS-232. Designed for automated testing, system integration, and bench applications, this unit combines fast transient response, precision measurement, and active output discharge in a compact 425.5 mm × 88.1 mm × 364.4 mm form factor.

Technical Specifications

• Voltage: 0 to 50 V


• Current: 0 to 2 A


• Power: 100 W Programming Accuracy (25°C ±5°C)


• Voltage: ±20 mV


• Current: ±0.05% + 1 mA Ripple and Noise (20 Hz to 20 MHz)


• Normal Mode voltage RMS: 0.5 mV; peak-to-peak: 3 mV


• Fast Mode voltage RMS: 1 mV; peak-to-peak: 15 mV


• Current RMS: 2 mA Response and Settling


• Standard rise/fall time (10/90%): <2 ms


• Fast mode rise/fall time: 400 µs


• Voltage settling (within 1 LSB): <6 ms standard, 2 ms fast mode


• Command processing time: 4 ms


• Measurement cycle time: 50 ms average Load and Line Regulation


• Voltage load regulation: 2 mV


• Current load regulation: 1 mA


• Voltage line regulation: 1 mV


• Current line regulation: 0.25 mA

Key Features

• Active downprogrammer sinks rated current for rapid zero-volt discharge


• Built-in DVM and precision current shunt for real-time measurement


• Dual-range low-current measurement with microamp resolution


• SCPI command support via GPIB or RS-232


• VXIplug&play drivers for streamlined system integration


• Multiple AC input options (100/120/220/230 VAC, 47–63 Hz)

Typical Applications Design verification, prototype validation, component characterization, automated test systems, and manufacturing burn-in processes requiring stable, precise DC sourcing with integrated measurement feedback.

Compatibility & Integration HP-IB (GPIB) with SCPI command set. Optional front-panel binding posts, isolation/reversal relays, rack-mount kit, documentation package, and service manual available.