Agilent/Keysight 6448B DC Power Supply

The Agilent/Keysight 6448B is a precision DC power supply delivering 0–600 V at 0–1.5 A with 900 W total output capacity. Engineered for electronics development, manufacturing, and service environments, it combines tight load and line regulation with fast transient recovery and stable long-term output performance.

Technical Specifications

• Voltage: 0–600 V


• Current: 0–1.5 A


• Total Power: 900 W Load Regulation


• Voltage mode: 1 mV nominal; <120 mV for 0–2.5 A load change


• Current mode: 40 mA nominal; <25 mA for 0–120 VDC load change Line Regulation (105–125 VAC input)


• Voltage mode: <60 mV


• Current mode: <25 mA Stability & Temperature Performance


• Voltage temperature coefficient: 0.05% + 30 mV/°C


• Current temperature coefficient: 8 mA/°C


• Voltage stability (8 hours, constant temperature): 0.15% + 90 mV


• Current stability (8 hours, constant temperature): 25 mA Transient Response


• Recovery time: <300 ms to within 600 mV of nominal after half-rated current step change


• Transient amplitude: <4.0 V/A for load changes between 20% and 100% of rated current Physical


• Dimensions: 483 mm W × 432 mm D × 133 mm H (19" × 17" × 5.25")


• Weight: 50 lbs

Key Features

• Overcurrent and overvoltage protection circuits


• Remote programming via external resistance or voltage source


• Auto-parallel and auto-tracking modes (up to three units; 6448B excludes auto-series)


• Safety Class I with protective earth terminal


• Internal fuse (non-customer accessible)

Typical Applications Electronics development, manufacturing test benches, equipment service and repair, laboratory characterization.

Compatibility & Integration Multiple units (6434B–6448B models) support auto-parallel and auto-tracking configurations for increased current or tracking operation. The 6448B cannot operate in auto-series mode.