Keysight (Agilent) N6751A

The Keysight N6751A is a 50 W autoranging DC power module engineered for integration into N6700 Series modular power system mainframes. It delivers 0–50 V and 0–5 A with exceptional programming accuracy and low noise, enabling rapid device testing across a wide voltage and current envelope. The autoranging architecture eliminates the need for multiple fixed-range supplies, reducing test complexity while maintaining high-speed transient response and stable output characteristics.

Technical Specifications

• Voltage: 0 to 50 V


• Current: 0 to 5 A


• Power: 50 W maximum (Volts × Amps cannot exceed this rating) Programming Accuracy (23°C ±5°C)


• Voltage: 0.06% + 19 mV


• Current: 0.1% + 20 mA Ripple and Noise (20 Hz to 20 MHz)


• Voltage peak-to-peak: 4.5 mV or 5 mV


• Voltage RMS: 350 µV


• Current RMS: 2 mA

Key Features

• Autoranging topology provides extended voltage and current combinations, effectively multiplying test coverage without additional hardware


• Series operation capability (identically rated modules, maximum 240 V per chain) for elevated voltage and power requirements


• Parallel operation capability (identically rated modules) for increased current delivery


• Fast programming speeds: 10 to 50 times faster than conventional programmable power supplies


• Over-voltage, over-current, and over-temperature protection on all outputs


• Optional High-Speed Test Extensions (HSTE) for precision measurements during transient and pulse events


• Optional output disconnect and polarity reversal relays (Option 760) or output disconnect relays (Option 761)

Typical Applications Automated test equipment (ATE) systems, semiconductor validation, power conversion design verification, and manufacturing test environments requiring multi-point voltage and current characterization.

Compatibility & Integration Designed for N6700A, N6700B, N6705A, and N6705B mainframes. Supports GPIB, LAN, USB, and LXI protocols when integrated with compatible systems. Module form factor fits 1U high N6700 Low-Profile Modular Power System chassis.