400W DC Power Supply, 0-8V, 0-50A, GPIB

Manufacturer's part number :


Manufacturer Agilent Technologies

Keysight Technologies

Description :

The single output, 6651A Series 500 W high performance programmable DC power supplies offer low noise, accurate outputs; analog control of output voltage and current; fan-speed control to minimize acoustic noise, and advanced features to protect your device under test. The 6651A is a 400 W single output programmable DC power supply with a GPIB interface. Output current is specified at 40ºC and is de-rated to 45 A at 50ºC, 42.5 A at 55ºC.

Notice for European Union Customers: This product is no longer available due to lack of compliance with EU RoHS directive 2011/65/EU. Please contact us us for quotation and ordering. Keysight will continue service and support to the end of worldwide support life.

  • Quote and availability


  • Voltage: 0 to 8 V
  • Current: 0 to 50 A
  • Power: 400 W maximum
  • Voltage programming accuracy: 0.06% + 5 mV at 25°C ±5°C
  • Programming Current measurement (readback) accuracy: 0.15% + 67 mA at 25°C ±5°C
  • Voltage rms: 300 µV
  • Peak-to-Peak: 3 mV
  • Current rms: 25 mA
  • Benefits

  • Up-programming and down-programming time is less than 15 ms
  • Over voltage, over current, and over temperature protection for your device under test
  • GPIB interface
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Maximum voltage per output (V) 0-10  

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Maximum current per output (A) 26-50  
Maximum power (W) 176-1,200