Design & Engineering Notes
•Bearing Selection: Ball bearing is the standard build for long continuous running; sleeve bearing and superflo bearing are available on request.
•Wiring & Sensor Definition: Standard lead assignment: Red = power, Black = sensor, Brown = control, Yellow reserved. You may choose no sensor, RD, FG, PWM or temperature sensor.
•Waterproof Upgrade: Three grades: standard non-waterproof, IP55 and IP66, suitable for dusty, damp or splash-prone environments.
•Flame Safety: All plastic components meet UL94V-0 flammability specification to reduce fire risk.
•Wide Input Tolerance: The 12V model works stably from 7.5–13.2 VDC; the 24V model supports 14–26.2 VDC. Speed deviation is controlled within ±10% under normal power fluctuation.
•Mounting & Airflow: Standard 5215 mounting hole layout with ultra-thin 15mm body. Rotation direction and airflow direction can be adjusted to fit your chassis layout.
•Storage Environment: Allowed storage temperature: -30℃ ~ +70℃, non-condensing.
Core Strengths
* Ultra-Slim Compact Build: Only 15 mm thick, this 5215 DC fan fits tightly inside miniature enclosures where regular fans cannot be installed.
* Diversified SKU Options: Dual voltage, multiple speeds and signal choices in one product line. You can pick low-noise, high-airflow or PWM-controllable models directly.
* Durable Ball Bearing: Smooth rotation and extended service life, designed for 24/7 continuous operation for industrial hardware.
* Custom Waterproof & Dustproof: IP55 / IP66 upgrade supports humid, splashing and dust-filled working conditions.
* Low-Noise Variant Available: The slowest model runs at merely 16 dBA, ideal for noise-sensitive instruments and consumer electronics.
* Full Safety Compliance: UL94V-0 flame-retardant material plus CE certification to satisfy international safety standards.
* Stable Under Fluctuating Power: Wide operating voltage window guarantees consistent cooling performance even with unstable power supply.
Key Specs
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Applications
This 52×52×15 mm DC axial fan delivers precision forced cooling for:
•Small industrial drives, embedded control boards and mini industrial PCs
•Portable medical inspection and diagnostic instruments
•Edge computing hosts and miniature servers
•Power modules, high-power adapters and charging equipment
•Compact surveillance hosts and communication terminals
•Small new-energy controllers
•Beauty devices and portable smart electronics
•Sealed mini devices requiring internal heat dissipation
Quick Support Q&A
Q: Does SZR-FB 5215-A support PWM speed control?
A: Yes. We provide dedicated PWM sensor versions, together with FG/RD speed feedback and temperature-sensing variants for closed-loop thermal management.
Q: Can I order a waterproof 5215-A fan?
A: Yes. IP55 and IP66 waterproof treatment are available as custom options. The standard stock version is non-waterproof.
Q: What voltage choices are offered?
A: The mainstream options are DC12V and DC24V, covering most industrial, medical and consumer electronic projects, both with wide input tolerance.
Q: Is it possible to change the bearing type?
A: Yes. According to the part-numbering rule, sleeve bearing, ball bearing and superflo bearing are all optional; ball bearing is our default.
Q: How quiet is this 5215 DC fan?
A: Noise varies with rotational speed. The low-speed model reaches as low as 16 dBA for quiet scenarios, while high-speed models produce stronger airflow with higher noise. We can recommend the proper model according to your noise limit.
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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