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NICE-POWER Adjustable DC Power Supply
SPS-E305 0-30V 5A 150W DC Bench Power
Supply for PCB Testing
The NICE-POWER SPS-E305 is an Adjustable DC Power Supply designed for PCB and Circuit Testing, prototype development, breadboard experiments, and electronic circuit verification. With a 0-30V adjustable DC output, up to 5A current, 150W power capacity, encoder adjustment, and a 3-digit display, it provides a practical DC Bench Power Supply for electronics workbenches where users need to adjust and monitor DC power during circuit testing. The product is also specified for laboratories, research, teaching, and other equipment requiring regulated DC power.
Key Features
0-30V Adjustable DC Output
The SPS-E305 provides an adjustable 0-30V DC output, allowing users to select different voltage levels when testing PCB assemblies, electronic circuits, and prototype boards within the power supply's rated operating range.
Up to 5A Adjustable Current
The DC Bench Power Supply provides up to 5A output current for circuit testing and prototype evaluation. Adjustable current settings allow users to configure suitable operating conditions for different PCB and electronic circuit tests.
150W DC Bench Power Supply
With a 150W output capacity, the SPS-E305 provides practical power for PCB Testing, circuit verification, electronic prototypes, and other bench-level applications that operate within its rated voltage and current range.
Precision Encoder Adjustment
The encoder adjustment system provides convenient control of voltage and current settings. This is useful during PCB and Circuit Testing when users need to make repeated adjustments while evaluating circuit behavior.
3-Digit Display
The SPS-E305 uses a 3-digit display for monitoring the configured output values. During circuit testing, the display provides a direct reference for checking the power supply settings while working with PCBs, prototypes, and electronic circuits.
Constant Voltage and Constant Current Operation
The SPS-E305 supports Constant Voltage and Constant Current operation with automatic switching according to the connected load. This allows the DC Power Supply to adapt its operating mode during different circuit testing conditions.
Fine Voltage and Current Adjustment
The SPS-E305 provides 10mV voltage setting resolution and 1mA current setting resolution according to the SPS-E Mini Series specifications. This allows users to make relatively fine adjustments when setting test conditions for PCB and Circuit Testing.
Compact Bench Design
The compact design makes the SPS-E305 suitable for electronics workbenches where PCB assemblies, breadboards, test instruments, components, and other equipment need to share limited bench space.
Wide AC Input Range
The SPS-E305 is designed for AC100-240V input, making it suitable for laboratory and electronics workbench environments using compatible mains power.
Applications
PCB Prototype Testing
Use the Adjustable DC Power Supply to provide controlled DC power when evaluating newly assembled PCB prototypes and checking their basic operating conditions.
PCB Circuit Verification
The SPS-E305 can provide adjustable DC power for checking whether PCB circuits operate as expected under selected voltage and current conditions.
Breadboard Circuit Testing
The compact DC Bench Power Supply can be used alongside breadboards for circuit experiments, prototype development, and repeated changes to electronic circuit configurations.
Electronic Circuit Development
The adjustable output allows engineers, students, and electronics developers to configure different DC power conditions while developing and evaluating circuits.
PCB Assembly Testing
The SPS-E305 can provide a practical DC power source for testing assembled circuit boards within its 0-30V, 0-5A, and 150W operating range.
Circuit Voltage Testing
Users can adjust the DC output voltage when evaluating how a circuit responds to different supply voltage conditions.
Current Related Circuit Testing
The adjustable current setting can be used when establishing suitable current conditions for PCB and circuit experiments within the power supply's rated output range.
Electronic Prototype Evaluation
The DC Bench Power Supply is suitable for supplying adjustable DC power to prototype circuits during development and evaluation.
Electronics Repair and Bench Testing
The SPS-E305 can be used as an adjustable DC Power Supply for electronics bench work where circuits and electronic assemblies require a controlled DC power source. The official product information lists electronics repair among its application areas.
Repeated Circuit Testing
The encoder adjustment and compact bench format make the SPS-E305 practical for repeated testing tasks where voltage and current settings need to be adjusted between different PCB and Circuit Testing procedures.
Quality Check and Terms of Service
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Package includes: 1 × DC Power Supply
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1 × Power Cord
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1 × Output Test Lead
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1 × User Manual
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Has passed CE & FCC Certification.
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All DC power supplies and accessories are inspected before shipment to ensure good quality.
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Customer support: Contact us with any questions, and we'll respond within 24 hours.
Technical Specifications
| Parameter |
Specification |
| Brand |
NICE-POWER |
| Model |
SPS-E305 |
| Product Type |
Adjustable DC Power Supply |
| Application |
PCB and Circuit Testing |
| Output Voltage |
0-30V DC |
| Output Current |
0-5A DC |
| Maximum Output Power |
150W |
| Adjustment Method |
Encoder Adjustment |
| Display |
3-Digit Display |
| Input Voltage |
AC100-240V |
| Voltage Setting Resolution |
10mV |
| Current Setting Resolution |
1mA |
| Voltage Readback Resolution |
10mV |
| Current Readback Resolution |
1mA |
| Voltage Setting Accuracy |
≤0.05% + 10mV |
| Current Setting Accuracy |
≤0.01% + 10mA |
| Voltage Readback Accuracy |
≤0.05% + 10mV |
| Current Readback Accuracy |
≤0.01% + 10mA |
| Load Regulation Voltage |
≤0.3% + 10mV |
| Load Regulation Current |
≤0.1% + 2.5mA |
| Line Regulation Voltage |
≤0.01% + 2.5mV |
| Line Regulation Current |
≤0.1% + 2.5mA |
| Voltage Ripple |
≤60 mVp-p / ≤10 mVrms |
| Current Ripple |
≤10 mArms |
| No-Load Fall Time |
≤15s |
| Rise Time at No Load |
≤200ms |
| Rise Time at Full Load |
≤300ms |
| Fall Time at Full Load |
≤300ms |
| Dynamic Response |
≤200ms |
| Efficiency |
≥85% |
| Rated Operating Temperature |
0-40°C |
| Product Size |
Approximately 18.5 × 10 × 7.8 cm |
| Net Weight |
Approximately 0.7 kg |
| Package Size |
Approximately 23 × 19 × 11 cm |
| Package Weight |
Approximately 1.1 kg |
Why Choose NICE-POWER SPS-E305?
The NICE-POWER SPS-E305 combines an Adjustable DC Power Supply, DC Bench Power Supply format, and compact design for PCB and Circuit Testing applications. Its 0-30V adjustable voltage range, up to 5A current output, and 150W power capacity provide a practical power source for PCB prototypes, electronic circuits, breadboards, and bench-level testing within its rated output range.
The encoder adjustment makes voltage and current configuration convenient during repeated testing, while the 3-digit display provides a direct way to monitor the configured output values. Constant Voltage and Constant Current operation further support different circuit load conditions during testing.
For electronics workbenches where space is limited, the compact SPS-E305 provides an adjustable DC power source that can be used across PCB Testing, Circuit Testing, prototype evaluation, and electronics repair tasks without requiring a larger bench power supply.
