Agilent/Keysight 6259B DC Power Supply

The Agilent/Keysight 6259B is a programmable DC power supply delivering 0–10 V at 0–50 A with 850 W output capacity. Built for precision voltage and current control, it operates in constant voltage/constant current (CV/CC) mode with automatic crossover, making it suitable for research, development, and manufacturing environments requiring stable, adjustable DC power.

Technical Specifications

• Output: 0–10 V DC, 0–50 A DC


• Output Power: 850 W


• Line Regulation: 0.01% + 200 µV


• Load Regulation: 0.01% + 200 µV


• Metered Regulation: 0.01%


• Temperature Coefficient: 0.01% of output + 200 µV per °C


• Ripple and Noise (20 Hz to 20 MHz):

CV mode: 1 mV rms, 5 mV peak-to-peak

CC mode: 25 mA rms

• Load Effect Transient Recovery: ≤50 µs to 10 mV


• Operating Temperature: 0 to 55°C


• Storage Temperature: -40 to 75°C


• Dimensions: 19 in × 6.81 in × 18.88 in (483 mm W × 173 mm H × 479.4 mm D)


• Weight: 89 lbs (40.3 kg)

Key Features

• Remote sensing and programming via external resistance or DC voltage


• Overvoltage protection (OVP) with front-panel crowbar trip adjustment


• Auto-series, auto-parallel, and auto-tracking operation


• Three-terminal barrier strip AC input connections


• Full rack width form factor


• AC input options: 50 Hz (Option 005), 115 VAC single phase (Option 026), 208 VAC single phase (Option 027), 230 VAC single phase (Option 028)


• Voltage and current programming adjustment available (Option 022)

Typical Applications Designed for laboratory testing, device characterization, burn-in procedures, and component validation where precise, stable DC power delivery and remote programmability are essential.

Compatibility & Integration This is a discontinued product. Operating and service documentation for the 6259B is available in the combined manual for 6250/60 series models (6259B/6260B/6261B/6268B/6269B).