Description
The ADDA AD0405HB-G70 is a high-efficiency DC axial cooling fan designed for critical thermal management in compact industrial electronics and embedded systems. This 40mm unit features a robust double ball bearing system, ensuring extended operational longevity and stable airflow for OEM replacement applications requiring technical compatibility with 5V DC power buses.
Product Highlights
- Industrial Reliability: Equipped with a Double Ball Bearing system providing an L10 life expectancy exceeding 70,000 hours at 40°C, significantly outperforming sleeve bearing alternatives.
- Precise Control: Engineered for ‘High Speed’ (H-Class) performance, delivering optimized static pressure and airflow to dissipate heat in dense component layouts.
- Seamless Integration: Standard 40x40x10mm frame size with UL-rated lead wires ensures this Original Spare Part integrates effortlessly into existing server, power supply, and automation enclosures.
Technical Specifications
Comprehensive technical data for model verification:
| Manufacturer | ADDA Corporation |
| Model Number | AD0405HB-G70 |
| Component Type | DC Axial Cooling Fan |
| Frame Dimensions (HxWxD) | 40mm x 40mm x 10mm |
| Bearing System | Double Ball Bearing |
| Rated Voltage | 5V DC |
| Operating Voltage Range | 4.5V – 5.5V DC |
| Rated Current | 0.18 A (Typical) |
| Input Power | 0.90 W |
| Rated Speed | 6000 RPM ±10% |
| Max Airflow | 7.2 CFM (Cubic Feet per Minute) |
| Static Pressure | 0.16 Inch-H2O |
| Noise Level | 28.0 dB(A) |
| Housing Material | PBT Plastic (UL94V-0) |
| Impeller Material | PBT Plastic (UL94V-0) |
| Operating Temperature | -10°C to +70°C |
| Storage Temperature | -40°C to +70°C |
| Life Expectancy | 70,000 Hours (at 40°C) |
| Termination | Lead Wires (UL1007 AWG26) |
| Net Weight | 16 g |
| Safety Approvals | UL, cUL, TUV, CE |
| Part Status | Active / OEM Replacement |
Typical Applications
Widely used in industrial rack-mount server chassis for localized CPU or chipset cooling where space is constrained but airflow cannot be compromised. Also frequently deployed in medical instrumentation and CNC control panel power supplies requiring continuous duty thermal dissipation.
Installation & Support
Ensure voltage compatibility (5V DC) before installation to prevent stator damage. This unit is an OEM replacement designed for seamless integration into ADDA-supported automation and electronic systems. Please refer to the official equipment manual for specific wiring diagrams and connector pinouts.
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