Agilent/Keysight 6266B DC Power Supply

The Agilent/Keysight 6266B is a regulated DC power supply delivering 0–40 V and 0–5 A outputs with 325 W total power capacity. Designed for test, research, and development environments demanding precise power delivery, this unit combines a transistor series-regulator with triac-preregulator topology for efficient, stable operation across variable load conditions.

Technical Specifications

• DC Output: 0–40 V, 0–5 A


• Power Output: 325 W


• Load Regulation (Voltage): 0.01% + 200 µV


• Load Regulation (Current): 0.02% + 500 µA


• Source Regulation (Voltage): 0.01% + 200 µV


• Source Regulation (Current): 0.02% + 500 µA


• Transient Recovery Time: ≤50 µs at 10 mV recovery level


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


• Operating Temperature: 0–55°C


• Storage Temperature: −40–75°C


• Input: 115 V AC, 4 A maximum, 5-foot three-wire power cord


• Display: Analog


• Cooling: Convection


• Dimensions: 83.7 mm H × 483 mm W × 479.4 mm D

Key Features

• Built-in overvoltage protection


• Constant voltage and constant current operation modes


• Remote programming and high-speed programming capability


• Remote sensing for precision load regulation


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


• HP-IB and RS-232 interfaces with SCPI command support


• Analog metering for real-time voltage and current monitoring

Typical Applications Laboratory power delivery, component characterization, circuit development and validation, burn-in testing, and research environments requiring stable, adjustable DC sources with rapid load transient response.

Compatibility & Integration Programmable via HP-IB or RS-232 using SCPI commands. Supports networked test system integration and synchronized multi-unit operation through series, parallel, and tracking configurations. Status: Obsolete