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Quick Overview

The SPD3303D/S has front panel programming and real-time waveform display functionality. It can bring new experience to the user through the 4.3"panel TFT - LCD display. The SPD3000 series has 3 outputs modes: independent、parallel and series. Totaling 195W power. It is a great product that can be used in various types of production and research environments.

Features and Benefits:
●Separate control and independent triple outputs: 30V/3A*2, 2.5V/3.3V/5V/3A*1, total 195W power
●5 digits voltage and 4 digits current display, min resolution: 1mV, 1mA
●Three output modes: independent, series and parallel connect; support timing output, waveform display and SCPI remote command
●4.3 inches TFT-LCD display with 480*272 high-resolution
●100V/120V/220V/230V compatible design, to meet the need of different grid
●Smart temperature controlled fan, effectively reduce the noise
●Save/Recall 5 group system specifications, support data storage expansion
●Labview driver

Labview driver



Design Features: 

●  High-resolution, output   

The SPD3303D/S exhibits high resolution (1mv / 1ma), providing the user with excellent settability and read back accuracy. In addition, it has the ability to output a very small  change in voltage or current, while maintaining the power requirements of the load.

● Wide range of output and multiple output modes             

The Series-parallel functions combine two power supplies into one. and make it very convenient for many applications. The SDP3300 three independent outputs which can be controlled separately and can also be turned on or off at the same time.




                                 Serial Output Mode                                                Parallel Output Mode

Panel timing output functions             

Five output timing profiles are settable via the SDP3300’s front panel. Each profile is independent of the others and allows settable voltage and current values. The timer function allows for continuous output with profiles as long as 10,000 seconds / profile. In addition to easy front panel control, the SPD3300 power supplies come with EASYPOWER PC software.




                                Panel timing output function                                      Real-time waveform display

● Real-time waveform display          

The SPD3000D/S is a programmable linear DC power supply and is equipped with a 4.3", 16M color TFT LCD screen, It can display voltage and current with 480 × 272 resolution, which allows the user to understand the output status.

● Save / Recall interface         

The SPD3000D/S programmable linear DC power supply provides five groups of local storage system parameters, and has support for external memory expansion. With this feature the local or external memory can be stored,recalled,or deleted, making it easy to return to your desired settings.


Unit Information:




SPD3303D SPD3303S

Standard accessories

A power cord designed for the instrument and authorized by local country


A USB cable

  PC software EasyPower

A product qualification certificate

  User manual
  warranty card









CH1:DC voltage range:0-30V,DC current range:0-3A

CH2:DC voltage range:0-30V,DC current range:0-3A

CH3:DC voltage range:2.5/3.3/5.0V,DC current range:0-3A

Max output power


Min voltage/curren


 10mV  10mA

  1mV  1mA

Voltage/Current display


4.3 inches TFT-LCD 480*272

4 digits voltage and 3 digits current display

4.3 inches TFT-LCD 480*272

5 digits voltage and 4 digits current display

Ripple noise



Standard interface

USB Device






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Customer Reviews

Best Power Supply Review by Tic
I'm hardware designer and this is perfect power supply for me. It has 3 outputs. 2 of them can operrate in parallel or in series. PSU has nice display and is really easy to use. I really like programmable function, because it saves you time during testing. So you should buy it! (Posted on 1/7/2015)

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