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8025 12V DC Cooling Fan (3-Inch)

Specification	Details
Operating Voltage	12V DC
Dimensions	80mm x 80mm x 25mm (approx. 3 Inches)
Current Rating	0.15A - 0.25A (Typical)
Speed	2500 - 3000 RPM
Bearing Type	Sleeve / Dual Ball Bearing
Connector Type	2-Pin (Red/Black) Flying Leads

Price

🚚 Ships within 24 Hours
📦 Pan India Delivery

₹ 67.80

(Tax included)

Barcode: 64135

Product Description

The 8025 12V DC Cooling Fan is a high-efficiency 80mm brushless fan designed to provide reliable thermal management for a wide variety of electronic enclosures. Measuring approximately 3 inches square, this fan strikes an ideal balance between airflow volume and compact sizing, making it the standard choice for PC cases, 3D printer control boxes, inverter cabinets, and custom DIY electronic projects. Built with a durable PBT thermoplastic housing and aerodynamic blades, the brushless DC motor ensures a long operational lifespan with minimal electromagnetic interference (EMI). Whether you are exhausting heat from a power supply or providing intake air for a high-performance microcontroller, this fan delivers consistent cooling performance with a low noise profile.

Key Features

Brushless DC Technology: Utilizes an electronically commutated motor to eliminate brush wear, resulting in a significantly longer lifespan and quieter operation.
Optimized Airflow (CFM): The 80mm blade geometry is engineered to move a substantial volume of air (Cubic Feet per Minute) while maintaining low static pressure.
Standard 8025 Footprint: Features a universal 71.5mm mounting hole spacing, compatible with standard PC chassis and industrial fan grills.
Low Power Consumption: Operates efficiently on 12V DC, making it easy to power directly from a battery, a 12V power adapter, or a buck converter.
Rugged Construction: The reinforced plastic frame and blades are resistant to vibration and minor impacts, ensuring stability in portable or industrial equipment.

Technical Details

Frame Material: Black PBT (UL94V-0 Glass Fiber Reinforced).
Expected Life: ~30,000 hours (Sleeve) / ~50,000 hours (Ball Bearing).
Noise Level: ~25 - 32 dB(A).

Prototyping and Engineering Tips from Robogears

Polarity Verification: CRITICAL: DC fans are polarity sensitive. The Red wire is Positive (+) and the Black wire is Negative (-). While many fans have internal diode protection, connecting them backward will result in the fan not spinning.
Airflow Direction: Every fan has small arrows embossed on the side of the plastic frame. One arrow shows the Blade Rotation, and the other shows the Airflow Direction. Generally, air flows from the "open" side toward the side with the motor support struts and label.
The Intake vs. Exhaust Strategy: For the most effective cooling in a closed box, place the fan as an Exhaust (blowing hot air out) near the top of the enclosure. Natural convection moves heat upward, so exhausting from the top creates a vacuum that pulls cooler air in from bottom vents.
Speed Control with PWM: If the fan is too loud for your application, you can control its speed using a MOSFET (like IRF540N) and an Arduino. By applying a PWM signal to the MOSFET, you can vary the effective voltage to the fan, allowing for "Silent" or "Turbo" modes based on temperature sensor readings.
Mounting & Dust: To prevent the internal bearings from clogging with dust, we strongly recommend installing a PVC Dust Filter or a 80mm Finger Guard. Dust buildup is the primary cause of fan "whining" and eventual motor failure.

Package Includes

1 x 8025 12V DC Cooling Fan (80mm)

Disclaimer: Product images are shown for illustrative purposes only. The exact blade count or branding placement on the label may vary slightly between manufacturing batches, but all technical specifications and performance standards remain as described.

Safety Warning: Do not exceed 13.8V DC as it may cause the internal motor driver to overheat. Keep fingers and loose wires away from the blades during operation to prevent injury or damage to the fan. Always verify the airflow direction before final mounting in your project enclosure.