Skip to content

Siglent SPD3303X-E 32 Volt DC 3.2 Amp Triple Output Power Supply

by Siglent
Original price $399.00 - Original price $399.00
Original price
$399.00 - $399.00
Current price $399.00
Currently on Backorder
Only 1 left!

Free Shipping on Orders over $99!

Use promo code FREESHIPPING at checkout. Some exclusions apply. Learn more.

3 Years Limited Warranty

Learn More

Ships Same Day!

All orders for in-stock items placed before 12pmMST Monday through Friday, ship same day!

Request a Quote
Manuals, Datasheets, and Other Documents

Siglent SPD3303X-E Programmable DC Power Supply

Siglent’s SPD3303X-E Programmable Linear DC Power Supply has a 4.3 inch TFT-LCD display, supports Remote Programming and has a Real Time Wave Display. The SPD3303X-E has three isolated outputs; two adjustable channels and one selectable channel from 2.5v, 3.3V, and 5V. It also has output short and overload protection and can be used in production and development.


  • 3 independently controlled and isolated outputs: 32V/3.2A×2, 2.5V/3.3V/5V/3.2A×1, total 220W
  • 5 digits Voltage, 4 digits Current Display, Minimum Resolution: 1mV/1mA
  • Supports front panel timing output functions
  • 4.3 inch true color TFT- LCD 480x272 display
  • 3 types of output modes: independent, series, parallel
  • 100V/120V/220V/230V compatible design to meet the needs of different power grids.
  • Intelligent temperature-controlled fan, effectively reduces noise
  • Clear graphical interface, with waveform display function
  • Five internal groups of system parameter save/recall, supports data storage space expansion
  • Provides PC software; Easypower, supports SCPI, LabView driver support


Channel Ch2 output voltage: 0 ~ 32V, output current: 0 ~ 3.2A
CH2 output voltage: 0 ~ 32V, output current: 0 ~ 3.2A
CH3 output voltage: 2.5/3.3/5.0V, output current: 3.2A
Display 4.3 inch true color TFT-LCD
4 digits voltage 3 digits current
Resolution 10mV/10mA
Program Accuracy Voltage ± (0.5% of reading+2digits)
Current ± (0.5% of reading+2digits)
Readback Accuracy Voltage ± (0.5% of reading+2digits)
Current ± (0.5% of reading+2digits)
Constant Voltage Mode Line Regulation ≤0.01%+3mV
Load Regulation ≤0.01%+3mV
Ripple&Noise ≤1mVrms (5Hz ~ 1MHz)
Recovery Time < 50μs (50% load change, minimum load 0.5A)
Constant Current Mode Line Regulation ≤0.2%+3mA
Load Regulation ≤0.2%+3mA
Ripple&Noise ≤3mArms
Parallel Mode Line Regulation ≤0.01%+3mV
Load Regulation ≤0.01%+3mV
Series Mode Line Regulation ≤0.01%+5mV
Load Regulation ≤300mV
CH3 Output Voltage (2.5/3.3/5V) ±8%
Line Regulation ≤0.01%+3mV
Load Regulation ≤0.01%+3mV
Ripple&Noise ≤1mVrms (5Hz ~ 1MHz)
Locking Key


Memory Save/Recall 5 Sets
Max Output Power 220W
Power Source AC 100V/120V/220V/230V ±10% 50/60Hz
Standard Configuration Interface USB Device, LAN
Insulation Case to Terminal ≥20MΩ (DC 500V)
Case to AC line ≥30MΩ (DC 500V)
Operating Environment Intdoor Usage:
Elevation: ≤2000m Environment Temperature 0~40 °C Relative Humidity≤80%
Installation Level: II Pollution Level: 2
Storage Environment Environment Temperature: -10~70 °C Relative Humidity≤70%
Dimension 225(W)×143(H)×278(D) mm
Weight ≈ 8.0kg

About Siglent

Siglent Technologies is an international manufacturer of cutting-edge, high-performance electronic test and measurement equipment. Their offerings include waveform generators, vector network & spectrum analyzers, oscilloscopes, and other testbench essentials. 

As a global leader in engineering and manufacturing, Siglent leverages its expertise in research and development to design products with groundbreaking technological innovations and rigorous quality control standards. Siglent holds ISO 9001:2015 and ISO 14001:2015 certifications, reflecting a dedication to both environmental responsibility and product quality.

Along with an unwavering commitment to quality, the company provides exceptional customer service and offers a 3 year warranty on most products, a plethora of documentation, and US-based customer support with quick turnaround times.

Visit our Siglent manufacturer page to learn more about Siglent or browse their selection of products.


Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare