Description
The Sunon MF50151V3-1B00U-A99 (also known as MF50151V31B00UA99) is a compact, high-efficiency DC centrifugal blower engineered with Sunon’s proprietary MagLev motor technology and a 50 × 50 × 15 mm (1.97 × 1.97 × 0.59 in) scroll profile. Operating across a nominal 12 VDC supply (6.0 to 13.8 VDC range), this precision radial fan delivers 2.7 CFM (4.59 m³/h) of directed airflow and 0.18 in H₂O (45.0 Pa) of static pressure at an energy-efficient 0.36 W power draw and quiet 23.2 dB(A) acoustic output. Built with rugged UL 94V-0 thermoplastic PBT housing and impeller structures, the unit incorporates the dust-resistant Precise Vapo-Bearing system for enhanced rotational stability. Integrated automatic restart and reverse polarity protections ensure sustained, fail-safe thermal operation in mission-critical electronic assemblies.
Key Features
- Patented MagLev Vapo-Bearing: Delivers friction-minimized, zero-wobble shaft rotation with 70,000-hour service life at 40°C.
- High-Static Scroll Design: Generates targeted 0.18 in H₂O pressure to overcome compact system aerodynamic resistance.
- Low-Power Motor Circuit: Draws an ultra-low 0.030 A nominal current to optimize overall system energy consumption.
- Automated Locked-Rotor Protection: Shuts down motor coils under obstruction and safely restarts rotation within ten seconds.
- UL 94V-0 Flame Resistance: Formed with premium thermoplastic PBT frame and impeller materials for critical industrial safety.
Technical Specifications
| Manufacturer | Sunon |
|---|---|
| Manufacturer Part Number (MPN) | MF50151V3-1B00U-A99 |
| Alternate Part Number | MF50151V31B00UA99 |
| Sunon Sequence Number | D05073940G-00 |
| Product Series | MF Series (MagLev Blower) |
| Product Category | DC Blower Fans |
| Fan / Component Type | DC Centrifugal Scroll Blower |
| Phase & Supply Type | Single-Phase DC Brushless |
| Rated Voltage | 12 VDC |
| Operating Voltage Range | 6.0 to 13.8 VDC |
| Min. Starting Voltage | 6.0 VDC (at 25°C Power ON/OFF) |
| Speed (RPM) | 3200 RPM ± 15% |
| Rated Power (Avg.) | 0.36 W |
| Max. Input Power | 0.47 W |
| Safety Power Consumption | 0.32 W |
| Rated Current (Avg.) | 0.030 A |
| Max. Current Draw | 0.039 A |
| Airflow (Nominal) | 2.7 CFM (4.59 m³/h / 0.076 m³/min) |
| Static Pressure (Nominal) | 0.18 in H₂O (45.0 Pa / 4.57 mmH₂O) |
| Noise Level (Avg.) | 23.2 dB(A) |
| Acoustic Test Distance | 1.0 m in semi-anechoic chamber (<15 dB(A) background) |
| Dimensions (L × H × D) | 51.7 × 51.6 × 15.0 mm (2.04 × 2.03 × 0.59 in) |
| Frame Nominal Size | 50 × 50 × 15 mm |
| Mounting Hole Pitch | 57.2 mm diagonal spacing |
| Mounting Hole Diameter | 4.5 mm (3 places) |
| Scroll Discharge Outlet Size | 20.3 × 11.8 mm (0.80 × 0.46 in) |
| Impeller Intake Diameter | Ø 32.5 mm (1.28 in) |
| Housing Material | Thermoplastic PBT (UL 94V-0) |
| Impeller Material | Thermoplastic PBT (UL 94V-0) |
| Bearing Type | Precise Vapo Bearing System |
| Motor Technology | MagLev (Magnetic Levitation) |
| Direction of Rotation | Counter-Clockwise (viewed from blade side) |
| Weight | 30.0 g (0.066 lbs) |
| Termination & Cable Specs | 2 Wire Leads, UL1571 / UL1007 style, stripped/tinned ends |
| Wiring Pinout / Connection | Red: (+) VDC, Black: (-) GND |
| Motor Protection | Automatic Restart (Locked Rotor Shutdown & 10s Auto-Restart), Reverse Polarity Protection |
| Insulation Class | UL Class A |
| Insulation Resistance | ≥ 10 MΩ at 500 VDC between frame and (+) terminal |
| Dielectric Strength | 5 mA Max at 500 VAC 50/60 Hz for 1 min between frame and (+) terminal |
| Operating Temperature | -10°C to +70°C (14°F to 158°F) |
| Storage Temperature | -40°C to +70°C (-40°F to 158°F) |
| Operating Humidity Range | 5% to 90% RH |
| Storage Humidity Range | 5% to 95% RH |
| Service Life (L10) | 70,000 Hours at 40°C (15% to 65% RH) |
| Shock Test | 100G acceleration, 2 ms duration across X, Y, Z axes |
| Vibration Test | 2 mm amplitude, 5–55–5 Hz frequency, 3 hours total |
| Thermal Cycling Test | 50 cycles (-10°C to +70°C ramp and soak) |
| Standards & Certifications | cURus (UL Recognized), TUV, CE, CCC, RoHS Directive 2011/65/EU |
Applications
The Sunon MF50151V3-1B00U-A99 blower is specifically engineered for spot-cooling and ducted air delivery across space-constrained electronics enclosures. It provides primary thermal management for 3D printer hotends and layer-cooling nozzles, miniature medical diagnostic centrifuges, point-of-sale receipt terminals, and optical telecommunication transceiver cages. Furthermore, maintenance technicians and embedded system builders rely on this compact radial unit for active heat dissipation in compact edge computing gateways, LED projection modules, and scientific laboratory instrumentation.
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