DCT | Test and Measurement

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  • Triple Output Channels: The SPD3303X offers three independent output channels, allowing simultaneous power supply to multiple devices or multi-channel experiments.
  • Precision Control: With exceptional voltage and current resolution, this power supply ensures accurate and repeatable results for your experiments and tests.
  • User-Friendly Interface: The intuitive interface simplifies operation and configuration, saving you time and effort.
  • Comprehensive Safety: Built-in safeguards, including overvoltage, overcurrent, and overtemperature protection, ensure the safety of your devices and the longevity of the power supply.
  • Connectivity and Data Logging: Seamlessly connect to your PC for remote control and data logging, enabling in-depth analysis and monitoring of your experiments.
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  • Triple Output Channels: Equipped with three independent output channels, the SPD3303X allows you to simultaneously power multiple devices or conduct multi-channel experiments with ease.
  • Precision Power Control: Achieve unparalleled precision with voltage and current settings, boasting exceptional resolution to ensure your experiments yield accurate and repeatable results.
  • Intuitive Interface: The user-friendly interface, complete with a clear and informative display, simplifies operation and configuration, allowing you to make adjustments swiftly and efficiently.
  • Versatile Output Modes: Choose from a range of output modes, including constant voltage (CV), constant current (CC), and constant power (CP), to adapt seamlessly to various load conditions and experimental requirements.
  • Comprehensive Protection: Built-in safeguards, including overvoltage (OVP), overcurrent (OCP), and overtemperature (OTP) protection, ensure the safety of your devices and the longevity of the power supply.
  • Low Ripple and Noise: The SPD3303X delivers clean and stable power to your circuits, reducing interference and enabling precise measurements—ideal for sensitive electronic components and critical applications.
  • Seamless Connectivity and Data Logging: Effortlessly connect to your PC for remote control and data logging through USB and RS-232 interfaces. Monitor and record test results with ease, enabling in-depth analysis of your experiments.
  • Compact and Durable Design: The power supply’s space-saving design conserves workspace while its robust construction ensures durability even in demanding laboratory environments.
  • Wide Operating Range: Operating effectively within specified temperature and humidity ranges, the SPD3303X adapts to various working conditions.
  • Certified Reliability: CE and RoHS certifications guarantee compliance with international safety and environmental standards.
  • Warranty: Backed by a [Specify Warranty Details] warranty, the SPD3303X offers peace of mind and confidence in its long-term reliability.

Elevate your electronics experiments, research, and development projects with the SPD3303X Programmable DC Power Supplies. This series empowers you with precision and versatility, enabling exceptional results in your endeavors.

The SPD3303X Programmable DC Power Supplies represent the pinnacle of precision, versatility, and reliability in the world of power supply solutions. Engineered to meet the exacting demands of engineers, scientists, and electronics enthusiasts, this series of programmable DC power supplies offers an impressive array of features that empower you to take control of your experiments and projects.



  • Brand: [Specify Brand Name]
  • Model: SPD3303X
  • Type: Programmable DC Power Supply

Power Output:

  • Channels: Three independent channels

Output Modes:

  • Constant Voltage (CV)
  • Constant Current (CC)
  • Constant Power (CP)


  • Voltage Accuracy: ± [Specify Voltage Accuracy]
  • Current Accuracy: ± [Specify Current Accuracy]
  • Ripple and Noise (CV Mode): ≤ [Specify Ripple and Noise]
  • Ripple and Noise (CC Mode): ≤ [Specify Ripple and Noise]

Protection Features:

  • Overvoltage Protection (OVP)
  • Overcurrent Protection (OCP)
  • Overtemperature Protection (OTP)


  • USB Port: USB-A for data storage
  • RS-232 Port: DB9 connector for PC connectivity
  • Remote Control: SCPI compatible via RS-232
  • Software: PC software for remote control and data logging


  • CE, RoHS

Package Contents:

  • SPD3303X Programmable DC Power Supply
  • Power Cord
  • User Manual
  • USB Cable
  • PC Software (CD or downloadable link)


  • Specifications are subject to change without prior notice for product improvement purposes.
  • Please refer to the user manual or contact Siglent for detailed operating instructions and technical support.


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Israel's Leading Businesses Choose DCT

DCT’s Skilled Management Team has more than twenty-five years of experience and expertise in the local business environment, coupled with a highly motivated group of employees, positions us as the preferred supplier among the major customers in the industry.

DCT Competitive Edge is the prompt response to our customer needs, the online and on-site direct technical support, professional consulting for the best cost/performance solution, on-time delivery, long-term maintenance, and support.

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