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NICE-POWER R-SPS1005 Laboratory DC Power
Supply 100V 5A for Transistor Circuit
Characterization
Characterizing a transistor circuit starts with applying a suitable DC supply and measuring how the circuit operates under defined conditions. The NICE-POWER R-SPS1005 Laboratory DC Power Supply provides an adjustable 0–100V output, up to 5A current, and 500W rated power for compatible transistor circuits, bias networks, and electronics prototypes. Its voltage, current, and power displays help users monitor the supply output while external instruments are used to examine transistor operating points and circuit behavior.
Key Features
Adjustable DC Supply for Transistor Operating-Point Experiments
Set the output voltage to match the requirements of the transistor circuit under evaluation. The adjustable 0–100V range supports a variety of compatible laboratory setups, provided the selected voltage remains within the circuit and component ratings. This allows users to establish the supply conditions before measuring transistor terminal voltages and branch currents.
100V, 5A Output for Laboratory Circuit Setups
With a maximum rated output of 100V and 5A and a total rated power of 500W, the R-SPS1005 can supply compatible transistor circuits and test boards. Choose the voltage and current settings according to the circuit design and expected load. The actual output must remain within the power supply's rated voltage, current, and power limits.
Readable Voltage, Current, and Power Values
The four-digit voltage and current display, together with the power display, helps users observe the DC output supplied to the circuit. These readings provide a reference for the source conditions during an experiment. They do not directly measure transistor gain, leakage current, switching characteristics, or the current flowing through a specific transistor terminal.
CV/CC Operation for Controlled DC Power
The power supply supports constant-voltage (CV) and constant-current (CC) operation, switching automatically according to operating conditions and selected settings. This helps users supply transistor circuits within suitable output limits. It does not automatically establish a transistor's bias point or determine whether a device meets its electrical specifications.
Manual Output Adjustment for Step-by-Step Testing
The front-panel encoder knob allows users to adjust the supply settings, and the output ON/OFF control provides a direct way to enable or disable the DC output. This is useful when preparing a test circuit, applying the selected supply voltage, and switching off power before changing component connections.
Front and Rear Terminals for Laboratory Connections
The R-SPS1005 provides front and rear output terminals for different bench arrangements. According to the series specifications, the front-panel output is intended for use below 5A, while the rear output can be used for full-power operation. Select the appropriate connection and wiring for the expected current, and follow the product manual when setting up the circuit.
Applications
DC Bias Point Measurement on Transistor Circuits
Power a compatible transistor circuit from an adjustable DC source while measuring base, emitter, and collector voltages with a multimeter. These measurements can be used to calculate or assess the circuit's DC operating point. The R-SPS1005 supplies the DC input; the measurements must be made using suitable external instruments.
Common-Emitter Amplifier Circuit Evaluation
Provide DC power to a compatible common-emitter amplifier prototype during bias setup and circuit evaluation. After applying the required supply voltage, use external measurement equipment to examine the transistor's operating point and amplifier response. Signal gain and waveform behavior cannot be determined from the power supply display alone.
Transistor Switching Circuit Development
Supply DC power to compatible transistor switching circuits during prototype development. The adjustable output helps establish the circuit's supply conditions, while an oscilloscope or other suitable instrument can be used to observe switching waveforms and timing.
Discrete Transistor Board Troubleshooting
Use the laboratory DC power supply when checking transistor-based control boards and discrete analog circuits. Monitor the supply's output readings while investigating power-related symptoms, and use appropriate instruments to check individual nodes and components. The power supply does not independently identify faulty transistors.
Transistor Circuit Laboratory Experiments
Support electronics experiments involving transistor bias networks, amplifier stages, and DC operating conditions. Users can apply a suitable supply voltage and measure the circuit response with external instruments, making the R-SPS1005 a practical DC source for teaching, prototyping, and research setups.
Quality Check and Terms of Service:
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Package Includes: DC Power Supply × 1, Output Power Cord × 1, Input Power Cord × 1, User Manual × 1, Warranty Card × 1.
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Certifications: Has passed CE & FCC Certification.
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Quality Inspection: 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 |
| Model |
R-SPS1005 |
| Product Type |
Laboratory DC Power Supply |
| Application |
Transistor Circuit Characterization |
| Rated Output Voltage |
0–100V |
| Rated Output Current |
0–5A |
| Rated Output Power |
500W |
| Operating Temperature |
0°C–40°C |
| Load Regulation — Voltage |
≤0.1% + 10mV |
| Load Regulation — Current |
≤0.1% + 2.5mA |
| Line Regulation — Voltage |
≤0.01% + 2.5mV |
| Line Regulation — Current |
≤0.1% + 2.5mA |
| Voltage Setting Resolution |
10mV |
| Current Setting Resolution |
10mA |
| Voltage Readback Resolution |
10mV |
| Current Readback Resolution |
10mA |
| Voltage Setting Accuracy |
≤0.05% + 10mV |
| Current Setting Accuracy |
≤0.01% + 10mA |
| Voltage Readback Accuracy |
≤0.05% + 10mV |
| Current Readback Accuracy |
≤0.01% + 10mA |
| Voltage Ripple (20Hz–20MHz) |
≤200mVp-p / ≤20mVrms |
| Current Ripple (20Hz–20MHz) |
≤20mArms |
| Rise Time — No Load |
≤150ms |
| Rise Time — Full Load |
≤200ms |
| Fall Time — No Load |
≤15s |
| Fall Time — Full Load |
≤50ms |
| Dynamic Response |
≤20ms |
| Efficiency |
≥85% |
| Product Dimensions |
Approx. 26.5 × 18.5 × 8cm |
| Net Weight |
Approx. 2.8kg |
| Package Dimensions |
38 × 24.5 × 12.5cm |
| Package Weight |
Series chart lists 3 / 3.3 / 3.5kg according to model and configuration; confirm the exact model package weight before publishing |
Why Choose NICE-POWER R-SPS1005 for Transistor Circuit Characterization?
The NICE-POWER R-SPS1005 provides a regulated, adjustable DC source for transistor circuit development, bias experiments, and laboratory evaluation. Its 0–100V output range, 5A maximum current, 500W rated power, and voltage/current/power displays help users establish and monitor supply conditions while examining transistor circuits with appropriate measurement instruments.
For meaningful transistor characterization, use the R-SPS1005 to provide the required DC power and use external instruments to measure terminal voltages, currents, gain, or switching behavior as needed. This keeps the test setup's functions clear: the power supply delivers DC power, while circuit and device measurements are performed separately.
Model Configuration Note: R-SPS1005 is the standard manual-adjustment version. R-SPS1005-R is the programmable version. Confirm the exact programmable functions and interface configuration for the selected model before ordering. USB, RS232, and RS485 interfaces are optional configurations, not standard features on every unit.
