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KUAIQU SPPS-K305 30V 5A Variable DC
Bench Power Supply with Curve Display
for Electronic Component Testing
🔥 Pain Points You’re Actually Facing
⚠️ Inconsistent voltage or current can lead to unreliable test results when evaluating electronic components under different operating conditions
⚠️ Small voltage and current variations are difficult to observe, making component characterization and troubleshooting less efficient
⚠️ Low current measurement resolution makes it difficult to identify leakage current, standby current, and abnormal consumption
⚠️ Repeatedly setting voltage and current for different components slows down comparative testing and laboratory workflows
⚠️ Incorrect voltage, excessive current, or accidental short circuits can damage sensitive electronic components during testing
⚠️ Long-duration component tests require stable output without accidental changes to test parameters
⚠️ Coarse adjustment makes it difficult to precisely set test conditions for components with narrow operating ranges
⚠️ Without visual voltage and current trend information, abnormal component behavior can be harder to identify
✅ Corresponding Core Solutions
✅ Stable 0–30V Adjustable DC Output
Provides flexible voltage adjustment for testing electronic components under different rated and operating conditions.
✅ 0–5A Adjustable Current Control
Allows users to configure appropriate current limits for different components and test requirements.
✅ 1mV Voltage Resolution & High-Precision Measurement
Enables precise voltage setting and monitoring for repeatable component testing and evaluation.
✅ Dual Curve Voltage & Current Display
Visually tracks voltage and current changes in real time, helping identify startup behavior, load response, and abnormal component characteristics.
✅ 10μA Low-Current Readback Resolution
Captures small current variations for leakage current, standby consumption, and low-current component testing.
✅ 4 Groups of Stored Parameters
Save frequently used voltage and current conditions and quickly recall them when testing different components.
✅ Complete Protection System
Includes OVP, OCP, and SCP protection to help protect sensitive components, the power supply, and connected test equipment.
✅ Panel Lock Function
Prevents accidental parameter changes during extended component testing and repeated measurement procedures.
✅ Encoder Precision Adjustment
Provides smoother and more precise voltage/current adjustment for setting accurate component test conditions.
✅ Output Enable Control
Allows users to configure voltage and current parameters before applying power to the component under test, improving testing safety and efficiency.
✦ Stable Power Source for Electronic Component Testing
Electronic component testing requires a controlled and repeatable power source to verify operating characteristics, current consumption, and electrical performance.
The KUAIQU SPPS-K305 provides:
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0–30V adjustable output voltage
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0–5A adjustable output current
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150W maximum output power
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1mV voltage resolution
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1mA current setting resolution
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10μA current readback resolution under low-current range
It enables engineers to evaluate:
✓ Component operating voltage
✓ Current consumption
✓ Leakage current
✓ Load response
✓ Startup behavior
✓ Electrical stability
Providing a precise and flexible power platform for electronic component testing, characterization, and verification.
✦ Real-Time Voltage & Current Curve Display for Component Analysis
When testing electronic components, engineers need to observe how voltage and current change as operating conditions vary.
The SPPS-K305 features a real-time dual curve display that visually presents voltage and current changes during testing.
The waveform display helps analyze:
This helps engineers identify:
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Abnormal component behavior
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Unexpected current consumption
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Unstable electrical characteristics
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Power-related testing issues
Improving testing efficiency during component evaluation and troubleshooting.
✦ High-Resolution Current Measurement for Component Characterization
Accurate current measurement is essential when evaluating electronic components with different operating and leakage characteristics.
The SPPS-K305 supports:
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Automatic current unit switching
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10μA current readback resolution under low-current range
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5-digit high-resolution display
Engineers can measure:
Helping engineers evaluate:
✦ 4 Memory Presets for Efficient Component Testing
Electronic component testing often requires different voltage and current conditions for different component types or test procedures.
The SPPS-K305 provides 4 groups of stored parameters, allowing engineers to quickly recall commonly used test settings.
Example applications:
M1: Low-voltage component test
M2: Rated operating condition test
M3: High-current component test
M4: Low-current or leakage current test
With quick parameter switching, engineers can reduce repetitive setup work and maintain consistent test conditions across multiple components.
✦ Protection Functions for Safe Component Testing
Sensitive electronic components can be damaged by excessive voltage, abnormal current, or accidental wiring errors.
The SPPS-K305 provides:
OVP — Over Voltage Protection
Helps prevent excessive output voltage from being applied to sensitive electronic components.
OCP — Over Current Protection
Limits abnormal current during overload conditions or unexpected component behavior.
SCP — Short Circuit Protection
Helps protect the power supply and connected components during accidental short circuits.
Panel Lock Function
Prevents unintended parameter adjustments during long-duration or repeated component testing.
These protection features provide safer operation when testing electronic components with different electrical characteristics.
✦ Precision Control for Electronic Component Evaluation
Different electronic components may require specific voltage and current conditions for accurate characterization and comparison.
The SPPS-K305 provides:
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1mV voltage adjustment resolution
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1mA current setting resolution
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10μA current readback resolution
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0.05% + 10mV voltage accuracy
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0.1% + 10mA current accuracy
Combined with encoder adjustment and a high-resolution display, the SPPS-K305 helps engineers establish repeatable test conditions and accurately monitor component behavior.
✦ Professional Operation Features for Component Testing
Designed for R&D laboratories, electronics workshops, and production testing environments, the SPPS-K305 includes:
Encoder Precision Adjustment
Provides smooth and accurate voltage/current adjustment for repeatable component testing.
Output Enable Switch
Allows users to configure output parameters before powering the component under test.
Adjustable Key Tone
Supports adjustable sound feedback and mute operation for different laboratory and testing environments.
USB + Type-C Charging Ports
Provides convenient 5V/2A output for compatible electronic devices and accessories.
Intelligent Cooling System
Helps maintain stable operation during extended component testing.
✦ Applications Electronic Component Testing
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Resistor and capacitor testing
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Diode and LED testing
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Transistor testing
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Voltage regulator testing
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Component electrical characteristic evaluation
Component Characterization
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Leakage current measurement
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Operating current evaluation
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Startup behavior analysis
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Voltage response testing
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Electrical stability verification
R&D Laboratory Testing
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Component comparison
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Prototype component evaluation
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Circuit subassembly testing
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Electrical performance analysis
Production Testing
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Incoming component inspection
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Functional verification
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Component quality control
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Production-line electrical testing
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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CE & FCC Certified: The product has passed CE and 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 SPPS-K305 Specs |
|
| Model |
SPPS-K305 |
| Rated Output (0℃~40℃) |
0–30V, 0–5A, 150W |
| USB/Type-C Output |
5V/2A |
| Load Regulation |
Voltage: ≤0.01%+10mV / Current: ≤0.1%+5mA |
| Line Regulation |
Voltage: ≤0.01%+2.5mV / Current: ≤0.1%+2.5mA |
| Setting Resolution |
Voltage: 1mV / Current: 1mA |
| Readback Resolution |
Current: <20mA: 10μA |
| Setting Accuracy |
Voltage: 0.05%+10mV / Current: 0.1%+10mA |
| Readback Accuracy |
Voltage: 0.05%+10mV / Current: <20mA: 0.1%+60μA |
| Ripple (20Hz~20MHz) |
Voltage: ≤100mVp-p / 15mVrms / Current: ≤15mArms |
| Rise Time (No Load) |
≤200mS |
| Fall Time (No Load) |
≤3S |
| Input Voltage |
AC 220V (AC110V optional) |
| Net Weight |
1.17KG / 2.58lb |
Why Choose KUAIQU SPPS-K305?
For electronic component testing and characterization, engineers need a stable, precise, and flexible bench power supply that can provide repeatable test conditions and clearly show changes in voltage and current.
The KUAIQU SPPS-K305 combines:
✓ 0–30V / 0–5A adjustable output
✓ 150W power capability
✓ Dual voltage & current curve display
✓ 1mV voltage resolution
✓ 10μA low-current measurement
✓ 4 programmable memory presets
✓ OVP / OCP / SCP protection
✓ Precision encoder adjustment
✓ High-resolution 5-digit display
Providing an efficient testing solution for electronic component evaluation, electrical characterization, leakage current testing, prototype verification, and production inspection.
