SUNON EF80251Sx-Q030-G99 12V fan

Description

The SUNON EF80251SX-Q030-G99 represents the pinnacle of high-reliability thermal management, designed specifically for dense electronic enclosures and industrial automated systems. Built with Original Engineering precision, this 80x80x25mm axial fan delivers optimized airflow under high static pressure conditions, ensuring critical system components remain within safe operating temperature limits.

TECHNICAL SPECIFICATIONS
Manufacturer: SUNON
Model Identifier: EF80251SX-Q030-G99
Frame Dimensions: 80 mm x 80 mm x 25 mm
Rated Voltage: 12 VDC
Operating Voltage Range: 6.0 VDC to 13.8 VDC
Rated Power Consumption: 3.5 Watts
Rated Current: 0.29 Amps
Rotational Speed: 3200 RPM
Maximum Airflow: 41.0 CFM (1.16 m³/min)
Static Pressure: 0.18 inch-H2O (45 Pa)
Acoustic Noise Level: 33.0 dBA
Bearing Architecture: Dual Ball Bearing System
Frame Material: Thermoplastic PBT (UL94V-0 Rated)
Impeller Material: Thermoplastic PBT (UL94V-0 Rated)
Insulation Resistance: 10 Megaohms minimum at 500 VDC
Dielectric Strength: 500 VAC for 1 minute
Operating Temperature Range: -10°C to +70°C
Storage Temperature Range: -40°C to +70°C
Life Expectancy: 70,000 Hours continuous at 40°C
Wiring Configuration: 3-wire lead configuration with Frequency Generator (Tachometer) output
Weight: 75 grams
Certifications: UL, TUV, CE, RoHS Compliant

MODEL DECODING & ARCHITECTURE
The EF80251SX-Q030-G99 model designation details high-performance design specifications. The EF prefix represents SUNON high-efficiency environmental protection engineering. The 8025 sizing code denotes standard 80mm width/height and 25mm thickness, making it ideal for standard rackmount servers and power supply integrations. The 1 indicates 12VDC nominal input voltage, while the SX designation points to high-velocity performance optimized for restrictive airflow paths. The dual ball bearing design offers superior mechanical stability, minimizing friction losses and preventing premature failure common to sleeve-bearing alternatives in hot-running setups.

INDUSTRIAL APPLICATION SCENARIO
In automated control cabinets and PLC enclosures, ambient heat accumulation degrades high-value semiconductor elements and shortens component lifecycles. Utilizing this fan in exhaust or intake configurations prevents localized hot spots. The dual ball bearings allow for multi-angle mounting (vertical, horizontal, or angled) without sacrificing mechanical life, unlike sleeve-bearing units that suffer rapid oil degradation when mounted horizontally. The built-in tachometer feedback signal enables the host controller to monitor rotational speeds dynamically, triggering an alarm state before a complete thermal runaway occurs.

PROCUREMENT AND INTEGRATION
We maintain this specialized component in stock to guarantee a minimal Lead Time for your production or maintenance cycles. Direct replacement configuration ensures drop-in Technical Compatibility with legacy 80mm fan configurations across CNC systems, variable frequency drives (VFDs), and medical diagnostic equipment.