Description
The ADDA AD0405MB-G70 is a highly engineered, micro-compact DC axial cooling fan designed for precision thermal management in space-constrained industrial and electronic applications. Manufactured with Original Engineering standards, this 40x40x10mm fan delivers an optimal balance of airflow and acoustic performance, ensuring reliable heat dissipation for critical microprocessors and embedded systems.
Technical Specifications:
Manufacturer: ADDA Corporation
Model Number: AD0405MB-G70
Frame Dimensions: 40 x 40 x 10 mm
Rated Voltage: 5V DC
Operating Voltage Range: 4.5V to 5.5V DC
Rated Current: 0.14 A
Power Consumption: 0.70 W
Rotational Speed: 5500 RPM ± 10%
Maximum Airflow: 5.20 CFM (0.147 m³/min)
Static Pressure: 0.10 In-H2O
Acoustic Noise: 23.0 dB(A)
Bearing System: Precision Dual Ball Bearing
Operating Temperature: -10°C to +70°C
Life Expectancy: 70,000 hours at 25°C
Weight: 17 g
Housing Material: UL94V-0 PBT Plastic
Impeller Material: UL94V-0 PBT Plastic
Termination: Standard Wire Leads
Engineering & Material Profile:
The AD0405MB-G70 utilizes a premium dual ball bearing architecture, significantly extending the operational lifecycle and allowing for multi-axis mounting orientations without performance degradation. The frame and impeller are injection-molded from UL94V-0 rated PBT thermoplastic, providing excellent dimensional stability and resistance to thermal stress. The optimized blade geometry minimizes turbulence, resulting in a silent operational profile ideal for noise-sensitive environments.
Industrial Applications & Technical Compatibility:
This micro cooling fan is engineered for integration into compact electronic enclosures, telecommunications equipment, embedded IoT gateways, and medical diagnostic devices. Its 5V DC operational requirement makes it directly compatible with standard logic-level power supplies, eliminating the need for step-down converters. By maintaining optimal thermal thresholds, the AD0405MB-G70 prevents thermal throttling in high-density PCB layouts, ensuring continuous system uptime. Standard lead time applies for bulk procurement, ensuring reliable supply chain continuity for OEM manufacturing.









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