Keysight (Agilent) N5751A System DC Power Supply 300 V, 2.5 A, 750 W

The Keysight N5751A is a single-output, 750 W DC power supply engineered for automated test equipment (ATE) and production test environments. It delivers programmable output voltage up to 300 V and current up to 2.5 A with constant voltage/constant current (CV/CC operation. The unit occupies minimal rack space in a compact 1U form factor and supports direct instrument stacking through front-to-rear airflow architecture.

Technical Specifications

• Output Voltage: 0 to 300 V


• Output Current: 0 to 2.5 A


• Output Power: 750 W Input Power


• Input Voltage: 85–265 VAC universal input


• Input Frequency: 47 to 63 Hz


• Input Current: 10.5 A at 100 VAC, 5 A at 200 VAC


• Power Factor Correction: Typical 0.99 Measurement & Control


• Built-in voltage and current measurement


• Analog programming via 0–5 V, 0–10 V, 0–5 kΩ, or 0–10 kΩ


• Front panel rotary encoders for voltage and current adjustment


• Stored states: 15 configurable recall points


• Front panel lockout capability Protection


• Over-voltage protection (OVP)


• Over-current protection (OCP)


• Over-temperature protection (OTP)


• Under-voltage limit (UVL)

Key Features

• Rack-mountable 1U design, 19-inch width


• Multiple interface options: GPIB, LAN, USB 2.0


• LXI Class C compliant


• Built-in web server for remote monitoring and control via standard browser


• Parallel operation: up to 4 units for increased power output


• Series operation: multiple units stackable for increased voltage output

Typical Applications Automated test equipment, production testing, device characterization, and power-hungry DUT validation requiring high voltage at moderate current levels.

Compatibility & Integration GPIB, LAN, and USB 2.0 connectivity enable integration into existing test systems. LXI Class C compliance ensures interoperability with LXI-compliant instruments. Remote web-based control simplifies distributed and unattended test operations.