Description
HTC SMPS-3005 DC Regulated Power Supply — Precision Power in a Compact, High-Performance Package
The HTC SMPS-3005 is a finely engineered, mini-series switched-mode DC power supply delivering 0 to 30 V output with a robust 0 to 5 A current capability. Packed with professional-grade performance, yet designed for everyday usability, it is a versatile companion in electronics labs, hobbyist workspaces, educational environments, and light industrial settings.
Core Performance & Power Delivery
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Wide Output Range
Adjust voltage smoothly from 0 to 30 V DC, with generous current support up to 5 A—covering most low-voltage device testing, battery charging, and circuit prototyping needs. -
Digital LED Display & Accuracy
Features clear LED digit display for both voltage and current. Accuracy holds at ±1% of reading + 1 digit, granting trustworthy readings for calibration, repair, or sensitive electronics work. -
Exceptional Regulation and Stability
Engineered with precise control for reliable energy delivery:-
Voltage Stability: ≤ 0.2%
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Current Stability: ≤ 0.8%
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Load Regulation: ≤ 0.2%
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Ripple & Noise: ≤ 0.1%
These tight tolerances translate to smooth, low-noise power—ideal for audio, sensor, and analog circuitry testing.
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Efficient Switching Design
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As a Switched-Mode Power Supply (SMPS), the SMPS-3005 uses high-frequency switching rather than bulky transformers. This design results in:
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Smaller size and lighter weight
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Higher energy efficiency
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Less heat generation
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Ideal for compact benchtops or mobile setups
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This architecture contributes significantly to the unit’s compact footprint and reliability.
User Convenience & Build Quality
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Compact Dimensions
At just 240 mm (H) × 150 mm (W) × 270 mm (D), it occupies minimal bench space and is easy to carry between workstations or labs. -
Included Accessories
Each unit ships with essential tools to get started—power cord, user manual, and test lead(s)—ensuring out-of-the-box readiness for testing or setup.
Applications & Use-Cases
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Electronics Development & Prototyping
Reliable power for microcontroller projects, sensor experiments, amplifier testing, and more. -
Education & Learning Labs
Intuitive controls and safe power regulation make it a student-friendly tool for understanding voltage, current, and circuit behavior. -
Service & Repair Work
Stable power is essential when troubleshooting live circuits—this supply’s clean output aids in fault isolation. -
Hobbyist Projects
From robotics to LED displays, its straightforward design and broad voltage/current range support creative tinkering. -
Light Industrial Use
Supports automation setups, control boards, or bench testing of small equipment—particularly where stable DC output is critical.
Enhanced Performance Explained
Load & Line Regulation
Power remains remarkably steady—even when input voltage or load changes—thanks to low regulation figures. Components stay safe, and performance remains stable over long testing cycles.
Minimal Ripple & Noise
Under 0.1% ripple means almost negligible electrical interference—ideal when clean voltage is non-negotiable.
Long-Term Stability
Voltage and current drift are minimized (<0.2% and <0.8%, respectively), ensuring connected devices receive consistent power, even over extended use.
Technology & Design Benefits
SMPS Advantages
Switching technology enables compactness and efficiency unmatched by linear alternatives. Expect lower heat, lower weight, and smaller size without sacrificing power quality.
Digital Precision
The LED display keeps track of both voltage and current with real-time clarity, helping users make accurate adjustments during delicate tasks.
Portable & Practical Design
Compact size doesn’t compromise on utility—this model balances portability with performance, perfect for diverse work environments.
Summary Table of Key Specifications
| Specification | Details |
|---|---|
| Output Voltage | 0–30 V DC |
| Output Current | 0–5 A |
| Display | LED digit display (Voltage & Current) |
| Accuracy | ±1% of reading ± 1 digit |
| Voltage Stability | ≤0.2% |
| Current Stability | ≤0.8% |
| Load Regulation | ≤0.2% |
| Ripple & Noise | ≤0.1% |
| Power Architecture | Switched-Mode (SMPS) |
| Dimensions | 240 × 150 × 270 mm |
| Accessories Included | Power Cord, Manual, Test Lead(s) |
Conclusion: Ideal Combination of Precision & Portability
The HTC SMPS-3005 stands out as a powerful, compact, and reliable DC power source. Its generous current capacity and precise regulation align with the needs of technicians, students, hobbyists, and professionals. Whether you’re assemble testing, educationally exploring, or conducting field repairs, this SMPS delivers clean and consistent power in a space-efficient design.

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