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UNI-T UTP3305-II 3 Channel Linear DC Laboratory Power Supply 3Ch 100mV/10mA 32V CV: ≤1×10⁻⁴+3mV CC: ≤2×10⁻⁴+3mA 5V Output Voltage (335W, 5A Output)
UNI-T

UNI-T UTP3305-II 3 Channel Linear DC Laboratory Power Supply 3Ch 100mV/10mA 32V CV: ≤1×10⁻⁴+3mV CC: ≤2×10⁻⁴+3mA 5V Output Voltage (335W, 5A Output)

Bottom line: The UNI-T UTP3305-II 3 Channel Linear DC Laboratory Power Supply 3Ch is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Backed by UNI-T's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

UNI-T's precision DC power supplies combine professional-grade performance with user-friendly design for electronics development, testing, and manufacturing. The UTP3300-II Series offers three-channel capability with adjustable dual channels and a fixed single channel. This product family feature high-precision 4-digit voltage and current displays, exceptionally low ripple/noise, and robust protection features. Explore our complete lineup of linear DC power supplies designed to meet the exacting standards of electronics professionals, researchers, and hobbyists alike.

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SpecPicks Verdict

SpecPicks scored UNI-T UTP3305-II 3 Channel Linear DC Laboratory Power Supply 3Ch… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. UNI-T's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 5 YEARS LIMITED WARRANTY. Triple-Channel Output: Two adjustable channels (0-32V/0-5A) plus fixed 5V output; Dual Operation Modes: Channels work independently or with series/parallel tracking
  • High-Precision Display: 4-digit voltage and current display with 10mV/1mA resolution; Superior Power Quality: Low ripple and noise (CV≤1mVrms; CC≤3mArms)
  • Excellent Load Regulation: CV≤0.01%+3mV, CC≤0.2%+3mA for stable output; Advanced Tracking Function: Precise bias tracking (±(0.1% of reading+30mV))
  • Comprehensive Protection: Over voltage/current protection systems; Temperature-Controlled Cooling: Intelligent fan system prevents overheating
  • Output Control: Convenient on/off control for each channel; Robust Construction: Durable design with compact footprint for laboratory use

Full Specifications

BrandUNI-T
Wattage335 watts
Model NameUTP3305-II
Unit Count1 Count
Form Factorcompact
Model NumberUTP3305-II
Cooling MethodFan
Output ControlConvenient on/off control for each channel; Robust Construction: Durable design with compact footprint for laboratory use
Output Wattage335 watts
Item Dimensions6 x 8 x 12 inches
Mfr Part NumberUTP3305-II
Number of Items1
Compatible DevicesMonitor
Warranty Description5
High-Precision Display4-digit voltage and current display with 10mV/1mA resolution; Superior Power Quality: Low ripple and noise (CV≤1mVrms; CC≤3mArms)
Comprehensive ProtectionOver voltage/current protection systems; Temperature-Controlled Cooling: Intelligent fan system prevents overheating
Excellent Load RegulationCV≤0.01%+3mV, CC≤0.2%+3mA for stable output; Advanced Tracking Function: Precise bias tracking (±(0.1% of reading+30mV))
Item dimensions L x W x H6 x 8 x 12 inches

Ready to buy?

UNI-T UTP3305-II 3 Channel Linear DC Laboratory Power Supply 3Ch 100mV/10mA 32V CV: ≤1×10⁻⁴+3mV CC: ≤2×10⁻⁴+3mA 5V Output Voltage (335W, 5A Output) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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UNI-T UTP3305-II 3 Channel Linear DC Laboratory Power Supply 3Ch 100mV/10mA 32V CV: ≤1×10⁻⁴+3mV CC: ≤2×10⁻⁴+3mA 5V Output Voltage (335W, 5A Output)
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