36×36×28 mm High-Speed DC Axial Fan for High-Density Electronics Cooling
The Model 3628-B DC Axial Fan is a high-performance compact cooling solution built for high-density electronics where strong airflow and high static pressure are required within limited mounting space. Measuring 36 × 36 × 28 mm, this brushless DC fan delivers powerful forced convection for demanding thermal-dissipation scenarios
Available in 12V and 24V DC versions, with rotational speeds ranging from 14 000 to 24 000 RPM, this miniature high-speed cooling fan provides flexible performance options to balance cooling capacity, static pressure and acoustic noise for different system design requirements.
Design & Engineering Notes
· Compact High-Power Footprint: 36 × 36 × 28 mm frame, optimized for tight high-density equipment enclosures.
· Multi-Voltage Support: 12V and 24V DC standard versions for diverse power-supply architectures.
· Tiered-Speed Performance: Three speed grades to trade-off airflow, static pressure and noise.
· Material: UL94 V-0 rated thermoplastic frame and impeller for flame resistance and mechanical robustness.
· Bearing Options: Sleeve bearing and dual-ball-bearing configurations for different service-life targets.
· Sensor & Control Options: FG speed-signal output, PWM speed control, tachometer and temperature-sensing functions available subject to custom configuration
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Specification |
Details |
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Product Type |
DC Axial Cooling Fan (Brushless) |
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Dimensions |
36 × 36 × 28 mm |
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Rated Voltage |
12V / 24V DC |
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Operating Voltage |
9–13.8V (12V models); 18–27.6V (24V models) |
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Speed |
14 000 / 18 000 / 24 000 RPM |
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Maximum Airflow |
11.4–23.5 CFM |
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Maximum Static Pressure |
4.15–8.74 mmH₂O |
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Noise Level |
43.2–62.3 dBA |
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Bearing Type |
Sleeve / Dual Ball Bearing |
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Approx. Weight |
40 g |
Available Models
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Core Strengths
· High-Density Compact Form Factor: Powerful cooling within the 3628 footprint for space-constrained high-heat-load assemblies.
· Flexible Electrical Options: Select between 12V / 24V input together with three speed grades to match system thermal targets.
· Superior Cooling Capability: Delivers up to 23.5 CFM airflow and high static pressure, ideal for systems with high airflow resistance.
· Demanding Enclosure Thermal Management: Designed for forced-air cooling inside densely packed small-size equipment housings.
· Rich Custom-Configuration Support: Multiple bearing selections, tachometer-FG, PWM drive and temperature-triggered sensing options available on selected part numbers for OEM integration.
Applications
The Model 3628-B DC cooling fan targets high-heat-density compact electronic products, including:
· High-performance consumer & embedded hardware
· Industrial control boards and embedded computing systems
· Network hardware, small servers and telecom compact modules
· Test, measurement and analytical instrumentation devices
· Industrial power-supply units and power-conversion modules
· OEM high-density electronic assemblies
Always validate application suitability based on component heat load, maximum ambient temperature, system airflow resistance and required fan service-life expectation before volume adoption.
Quick Support Q&A
Q1: What voltage options are offered for Model 3628-B?
The Model 3628-B supports standard 12V DC and 24V DC rated versions.
Q2: What is the maximum airflow of this fan series?
Depending on selected model grade, maximum airflow ranges from 11.4 CFM up to 23.5 CFM.
Q3: How should I select the proper speed grade?
Choose 14 000 RPM for relatively lower-noise operation; 18 000 RPM for balanced cooling-to-noise performance; pick 24 000 RPM for maximum airflow and static pressure for high-impedance enclosures.
Q4: Are dual-ball-bearing variants available?
Yes. Both sleeve-bearing and dual-ball-bearing configurations are supported. Please confirm part-number availability for your target model.
Q5: How can I obtain quotation and sample support?
Please share your requirements including rated voltage, target speed grade, bearing type, order quantity and end-application description. Our engineering-sales team will recommend the most suitable configuration for your project.
Need a High-Performance 3628-B DC Axial Fan?
Looking for a reliable high-speed 36 mm DC axial fan for your high-density electronic product thermal design?
Contact us today for full datasheet download, stock availability check and formal quotation.
Manufacturing Support
SZR provides OEM and project-based cooling solutions for compact thermal management applications. Engineering support, rapid sampling and customized specifications are available for long-term cooperation.
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