DC Power Supply (SPD3303C)



Model: SPD3303C




  • R&D lab general purpose testing
  • Teaching lab experiment
  • Automotive electronic test 
  • Production testing and quality assessment inspection

Key Features

  • 3 independent high precision output: 32V/3.2A×2, 2.5V/3.3V/5V/3.2A×1, total 220W
  • 4 digits voltage and 3 digits current display, min resolution: 10mV, 10mA
  • Three output modes: independent, series and parallel
  • 100V/120V/220V/230V compatible design, to meet the need of different power grids
  • Smart temperature controlled fan, effectively reduce the noise ‡
  • Save/Recall 5 group system specifications, support data storage expansion
  • Connected to PC via USB Device, support SCPI command, to meet the control and communication needs


ChannelsCH1: DC voltage range: 0-32V, DC current range: 0-3.2A
CH2: DC voltage range: 0-32V, DC current range: 0-3.2A
CH3: DC voltage range: 2.5/3.3/5.0V, DC current range: 0-3.2A
Max output power 220W
Resolution 10mV / 10mA
Display digits
LED display
4 digits voltage
3 digits current
Ripple noiseCV/CH3: ≤ 1mVrms (5Hz~1MHz)
CC: ≤ 3mArms
Standard interface USB Device
Weight 7.5kg(SPD3303C) 8kg(SPD3303D/S/X/X-E)

Panel displays the timing output

Through front panel operation, 5 groups of timing settings and output control can be displayed, which provides users a simple power programming function. Also a connection can be made with Siglent’s Easy Power PC software providing a full range of communication and control requirements.

Save/Recall setting parameters

SPD3000X series programmable power supply can save or recall 5 groups of setting parameter in internal storage, also supports external storage expansion. You can easily obtain the settings you needed.


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