Description
Siglent SPD3303C – Programmable Linear DC Power Supply (3 Channels, 220W)

- Three independent outputs
- Channels 1 and 2 are adjustable, channel 3 has fixed selections
- Channels 1 and 2: 0-32V / 0-3.2A
- Channel 3: 2.5, 3.3, 5.0V / 3.2A (fixed selections)
- Total power is 220 W
The SPD3303C is a programmable linear DC power supply that is both lightweight and feature packed. It has a high performance-to-price ratio and can be used in various types of production, education and research environments.
The SPD3303C has three independent outputs: two sets with adjustable voltage and current, and a third channel with a fixed set of selectable voltages; 2.5, 3.3, and 5 V. Total available power is 220 W. In addition, its outputs are short circuit and overload protected.
The SPD3303C exhibits high resolution, 10 mV / 10 mA, providing the user with excellent setting and read back accuracy. In addition, it maintains its ability to change output voltage or current in small increments while fully meeting the power requirements of the load.
Series/parallel/independent output modes
Series-parallel function combines two power supplies into one and makes it very convenient for many applications. The SPD3303C has three independent outputs which can be controlled separately and also be turned on or off separately or at the same time.

Parallel Connection

Series Connection
USB Remote Interface
The power supply can be controlled by remote PC and comes with EasyPower software. It also supports SCPI commands.
Save/ Recall interface
The SPD3303C 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.
Front Panel

| NO. | Description | NO. | Description |
| 1 | Logo | 9 | CH3 DIP Switch |
| 2 | LED Display | 10 | Power Switch |
| 3 | Model | 11 | CH1 Output Terminal |
| 4 | System Parameter Configuration button | 12 | Ground Terminal |
| 5 | Multi-function knob | 13 | CH2 Output Terminal |
| 6 | Fine Adjust button | 14 | CV/CC Indicator Light |
| 7 | Voltage/Current button | 15 | CH3 Output Terminal |
| 8 | Channel Control button |
Power Supplies/DC Power Supplies Template | |
|---|---|
| Outputs | Triple |
| Voltage Output 1 | Variable |
| Max Voltage Output 1 | 30 V |
| Programmable | Yes |
| Current Output 1 | Variable |
| Max Current Output 1 | 3 A |
| Voltage Output 2 | Variable |
| Max Voltage Output 2 | 30 V |
| Current Output 2 | Variable |
| Max Current Output 2 | 3 A |
| Voltage Output 3 | Fixed |
| Max Voltage Output 3 | 5.0 V |
| Current Output 3 | Fixed |
| Max Current Output 3 | 3 A |
| Meter Type | Digital |
| Switching | No |
| Max Display Resolution Current | 10 mA |
| Max Display Resolution Voltage | 10 mV |
Product General Attributes | |
| Unique Features | 3 independent high precision output:30V/3A*2,2.5V/3.3V/5V/3A*1,total 195W power 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 |
| Interfaces I/O | Analog Output, USB |
| Storage | Internal Memory |
| Product Weight | 16.5 LBS |
| Product Height | 130 MM (5.12 IN) |
| Product Width | 210 MM (8.27 IN) |
| Data Logging | No |
| HTS/Schedule B Number | 8504.40.95.30 |
| ECCN Number | EAR99 |
| Power Supply Voltage | 120V/220V Universal Power Supply Voltage 100V/120V/220V/230V |
| Country of Origin | China |
| Other Information | Depth:: 265mm |




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