Keysight 6655A 500 Watt, DC Power Supply 120 Volt 4 Amp

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HP/Agilent 6655A System DC Power Supply, 500W
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Keysight 6655A
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6655A Datasheet
0-120V DC, 0-4 A System DC Power Supply
Keysight 6655A Features
  • Complete front-panel control, calibration and display
  • Remote programming and sensing
  • Fan-speed control to minimize acoustic noise
  • Low ripple and noise
  • Over-voltage and over-current protection
  • Linear output regulation
  • Fast up-and down-programming
  • SCPI (Standard Commands for Programmable Instruments)
  • Serial link connects up to 16 units to one GPIB address
  • VXI plug&play drivers
Keysight 6655A Specs
Output ratings Output voltage 0 to 120 V
Output current
(40° C)
0 to 4 A
Maximum current 
(50° C/55° C)
3.6 A/3.4 A
Programming accuracy
at 25°C ±5°C
Voltage 0.06% + 51 mV
Current 0.15% + 4 mA
Ripple and noise
from 20 Hz to 20 MHz
Voltage rms 700 µV
peak-peak 7 mV
Current rms 2 mA
Readback accuracy
at 25°C ±5°C (percent
of reading plus fixed)
System models only 
Voltage 0.07% + 80 mV
+Current 0.15% + 3 mA
Current 0.35% + 7 mA
Load Regulation Voltage 5 mV
Current 0.5 mA
Line Regulation Voltage 2 mV
Current 0.5 mA
Transient response time Less than 100 µs for the output voltage to recover to its previous level (within 0.1% of the voltage ratingof the supply or 20 mV, whichever is greater) following any step change in load current of up to 50% of rated current