UNI‑T UTP 3300TFL‑II Series
Meet the UNI‑T UTP 3300TFL‑II Series—a set of trusted single-output linear DC power supplies known for their accuracy, simplicity, and durability.
Ideal for electronics labs, DIY prototyping, and manufacturing tests, these benchtop units offer:
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30 V adjustable output, at either 3 A (90 W) or 5 A (150 W)
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10 mV & 1 mA resolution for precise tuning and measurement
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High accuracy: Voltage regulation <0.01% + 3 mV; Current regulation ≤0.1% + 5 mA.
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4-digit LED dual display, showing voltage and current simultaneously
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Comprehensive protection: short-circuit, overload, and reverse-polarity
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Low ripple & noise, ensuring clean power for analog and digital circuitry
Compact and user-friendly, the UTP 3300TFL‑II series keeps essential power control at your fingertips.
🛠 Technical Details
| Feature | UTP3313TFL‑II (3 A) | UTP3315TFL‑II (5 A) |
|---|---|---|
| Output Voltage | 0–30 V | 0–30 V |
| Output Current | 0–3 A | 0–5 A |
| Total Power | 90 W | 150 W |
| Resolution | 10 mV / 1 mA | 10 mV / 1 mA |
| Voltage Regulation | <0.01% + 3 mV | <0.01% + 3 mV |
| Current Regulation | ≤0.1% + 5 mA | ≤0.1% + 5 mA |
| Display | 4-digit LED dual voltage/current | 4-digit LED dual voltage/current |
| Protections | Short-circuit, overload, reverse polarity | Same |
| Ripple & Noise | 1 mVrms (UTP3313); 2 mVrms (UTP3315) | 2 mVrms (UTP3315) |
| Power Input | 110/220 V AC, 50/60 Hz | Same |
| Size / Weight | 105 × 165 × 249 mm; 3 kg | Same, 4 kg |
⚠️ Precautions & Safety Tips
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Place on a stable, ventilated surface—allow space around vents.
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Use only isolated loads to protect against reverse polarity.
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Clearly identify and use correct voltage/current before connecting devices.
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Do not exceed rated output or run without load for extended periods.
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Clean exterior with a soft cloth; avoid solvents or liquids near controls.
💡 Use Cases & Applications
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Electronics Development: Power microcontroller boards, sensor systems, and communication modules.
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Component Testing: Provides steady current for diode, transistor, and capacitor testing.
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Maker & DIY Projects: Ideal for prototyping PCs, wearables, and IoT prototypes.
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Education & Labs: Offers hands-on power experiments without complex settings.
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FPV/Drone Power Testing: Supplies stable voltage for evaluating motors and ESCs.
🛠️ Pair With
🎥 YouTube Tutorial
Watch this teardown and review of the UNI‑T UTP3315TFL‑II, showing setup, operation, and performance testing:
UTP3315TFL‑II Lab PSU Overview & Teardown uni-t-shop.euinstruments.uni-trend.com+6youtube.com+6youtube.com+6
🏁 Conclusion & Value Proposition
The UNI‑T UTP 3300TFL‑II Series offers a no-frills yet high-precision single-channel power solution with tight regulation, robust protection, and clean outputs. Whether you’re prototyping, teaching, or repairing, it delivers reliable power every time.
Available now at Electroway—power your projects with confidence and precision.
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