NMB 08025SA-12N-ET 8025 12V 0.18A DC Axial fan

Description

The NMB 08025SA-12N-ET is an industrial-grade 80 mm x 80 mm x 25 mm DC axial cooling fan manufactured by MinebeaMitsumi (NMB Technologies). Designed for demanding continuous-duty applications, this unit provides optimized forced-air thermal dissipation within high-density electrical enclosures. Built with Original Engineering standards, it incorporates an energy-efficient 12V DC motor, balanced aerodynamic blades, and a 3-wire interface with speed monitoring (tachometer) feedback. Its high static pressure and stable airflow make it specifically suited for photovoltaic (PV) power systems, solar inverters, switchgear cabinets, and industrial power supplies where thermal reliability directly dictates operational uptime.

TECHNICAL SPECIFICATIONS
Manufacturer: NMB Technologies (MinebeaMitsumi)
Model Number: 08025SA-12N-ET
Frame Dimensions: 80 mm x 80 mm x 25 mm
Rated Voltage: 12 V DC
Operating Voltage Range: 6.0 V DC to 13.8 V DC
Rated Current: 0.18 A
Input Power: 1.68 W to 2.16 W
Rotational Speed: 3100 RPM ± 10%
Airflow Volume: 41.3 CFM (1.17 m³/min)
Static Air Pressure: 37.3 Pa (0.15 in H2O)
Acoustic Noise Level: 30.0 dBA
Bearing System: Precision Dual Ball Bearing Mechanism
Connector Interface: XH-3Y (2.54 mm pitch 3-pin termination)
Wiring Configuration: 3-Wire (Positive [+], Negative [-], Tachometer/Frequency Generator [FG])
Frame Material: Reinforced PBT Thermoplastic (UL 94V-0 flammability rated)
Impeller Material: Reinforced PBT Thermoplastic (UL 94V-0 flammability rated)
Motor Protection: Polarity Protection and Locked Rotor Auto-Restart
Insulation Resistance: Minimum 10 MΩ at 500 V DC between frame and terminals
Dielectric Strength: 500 V AC for 1 minute
Operating Temperature Range: -10 °C to +70 °C
Storage Temperature Range: -40 °C to +70 °C
Expected Service Life: 70,000 Hours (L10 at 40 °C continuous operation)
Compliance: RoHS, CE, UL Recognized

SYSTEM ARCHITECTURE & TECHNICAL COMPATIBILITY
The 08025SA-12N-ET is designed for broad Technical Compatibility across industrial automation, power conversion, and embedded systems. The integrated third wire delivers an active FG tachometer open-collector signal that outputs a square wave proportional to fan rotational speed, enabling host PLCs, microcontrollers, or inverter management boards to execute real-time fault detection and closed-loop thermal regulation. The standard XH-2.54 mm 3-pin terminal allows plug-and-play integration into standard PCB headers without rewiring. Designed with rigid housing geometry, the fan maintains mechanical dimensional integrity under structural vibration and pressure differentials.

CRITICAL INDUSTRIAL APPLICATION
In photovoltaic power generation and high-capacity string inverter cabinets, internal power electronics—including IGBT modules, power transformers, and DC-link capacitors—generate intense localized heat flux within sealed or semi-sealed enclosures. Failure to evacuate heat leads to thermal derating, inverter tripping, and accelerated component degradation. The NMB 08025SA-12N-ET addresses this challenge by generating 41.3 CFM airflow at 37.3 Pa static pressure, forcing cooling air through densely packed heatsinks and power stages. Its high mean time between failures (MTBF) prevents unscheduled field maintenance in remote utility-scale and commercial solar installations.

COMMERCIAL AVAILABILITY & LOGISTICS
Condition: Brand New, Original Factory Packaging (80 units per box, master lot packaging)
Available Inventory: Immediate dispatch for current lot quantity
Lead Time: In-stock units ship within 24 to 48 business hours; standard factory Lead Time applies for scheduled recurring blanket orders
Traceability: Full batch traceability ensured through original manufacturer labeling and date-code verification