Description
The NMB-MAT 1608VL-S5W-B69 represents precision Original Engineering from MinebeaMitsumi (NMB Technologies), engineered specifically to deliver focused, high-static thermal management in compact industrial enclosures. Designed to satisfy rigorous Japanese manufacturing standards, this 40 x 40 x 20 mm brushless DC fan is optimized for critical electronics cooling, including automated CNC systems, industrial drives, and robotics power cabinets.
Model Breakdown and Architecture:
Series: 1608VL (40 mm frame size, 20 mm frame depth)
Voltage Class: S (24V DC nominal)
Winding / Speed Rating: 5 / B69 (High-velocity industrial specification with integrated sensor lead)
Bearing System: Dual Precision Ball Bearings for extended MTBF under continuous thermal stress
Technical Specifications:
Manufacturer: MinebeaMitsumi / NMB-MAT
Part Number: 1608VL-S5W-B69
Origin: Japan
Operating Voltage: 24V DC
Operating Voltage Range: 14.0V DC to 27.6V DC
Rated Current: 0.09 A
Rated Input Power: 2.16 W
Rotational Speed: 8,500 RPM ± 10%
Maximum Airflow: 9.53 CFM (0.27 m³/min)
Maximum Static Pressure: 78.4 Pa (0.315 in H₂O)
Acoustic Noise Level: 33.0 dBA
Bearing Type: Dual Ball Bearings
Frame Dimensions: 40 mm x 40 mm x 20 mm
Mounting Hole Pitch: 32.0 mm ± 0.3 mm
Mounting Hole Diameter: Ø 3.5 mm
Frame Material: PBT Plastic (UL94V-0 Flame Retardant)
Impeller Material: PBT Plastic (UL94V-0 Flame Retardant)
Termination: 3-Wire Leads (Power, Ground, Sensor/Tachometer signal)
Operating Temperature: -10 °C to +70 °C
Storage Temperature: -40 °C to +70 °C
Insulation Resistance: 10 MΩ minimum at 500V DC
Expected Lifetime: 70,000 Hours (L10 at 40 °C)
Weight: 40 g
Certifications: UL, CSA, VDE, RoHS Compliant
Industrial Application and Technical Compatibility:
This component offers dedicated Technical Compatibility with Fanuc CNC system power units, servo drives, operator panels, and related automation electronics. In compact industrial power modules, thermal throttling and airflow stagnation pose severe risks to semiconductor health. The high static pressure generated by the 1608VL-S5W-B69 efficiently forces cooling air through densely packed heatsinks and enclosed drive chassis, preventing localized thermal runaway and ensuring stable cycle times in automated manufacturing environments.
Condition and Supply Information:
Condition: Surplus New / Unused Original Stock
Operational Status: Factory verified, 100% electrically intact with intact lead assembly
Lead Time: Immediate dispatch available for zero-downtime maintenance and emergency replacement requirements











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