Description
The Delta EFB0612MA-F00 (also known as EFB0612MAF00) is a compact, ultra-slim 60 x 60 x 10 mm (2.36 x 2.36 x 0.39 in) brushless DC tubeaxial cooling fan engineered for space-constrained electronics thermal management. Driven by an efficient 2-phase, 4-pole brushless motor operating at 12 VDC, it delivers a rated nominal speed of 3600 RPM, generating an airflow of 15.54 CFM (26.4 m³/h) and a static pressure of 0.094 in H₂O (23.5 Pa) while consuming just 0.96 W. Constructed with reinforced UL 94V-0 plastic frame and impeller, this unit integrates a dual precision ball bearing assembly rated for 70,000 hours of continuous duty at 40°C. Electrical connectivity is established via three UL 1007 AWG #28 lead wires, incorporating an integrated open-collector frequency generator (tachometer) speed sensor alongside internal locked rotor and polarity protection.
Key Features
- Ultra-Slim 10mm Profile: Compact 60x60x10mm form factor fits tight 1U server slots and dense low-profile enclosures.
- Dual Precision Ball Bearings: Heavy-duty dual ball bearing system ensures extended 70,000-hour continuous service life at 40°C.
- Integrated Tachometer Output: Dedicated blue wire delivers open-collector frequency generator pulses for real-time motor speed monitoring.
- Advanced Motor Protection: Integrated impedance winding and overcurrent shutdown protect motor circuitry during locked rotor conditions.
- Flame-Retardant Construction: High-grade UL 94V-0 thermoplastic housing and impeller deliver exceptional fire safety and mechanical stability.
Technical Specifications
| Manufacturer | Delta |
|---|---|
| Manufacturer Part Number (MPN) | EFB0612MA-F00 |
| Alternate Part Number | EFB0612MAF00 |
| Product Series | EFB Series |
| Product Category | DC Blower Fans |
| Fan / Component Type | DC Brushless Tubeaxial Fan |
| Motor Topology | 2 Phases, 4 Poles Brushless DC Motor |
| Phase & Supply Type | DC |
| Rated Voltage | 12 VDC |
| Operating Voltage Range | 7.0 to 13.8 VDC |
| Min. Starting Voltage | 5.0 VDC (at 25°C) |
| Rated Speed | 3600 RPM (Reference) |
| Rated Current | 0.08 A |
| Max. Current Draw | 0.12 A |
| Rated Input Power | 0.96 W |
| Max. Input Power | 1.44 W |
| Max. Airflow | 15.54 CFM (26.4 m³/h / 0.440 m³/min) |
| Min. Airflow | 13.77 CFM (23.4 m³/h / 0.390 m³/min) |
| Max. Static Pressure | 0.094 in H₂O (23.54 Pa / 2.40 mmH₂O) |
| Min. Static Pressure | 0.076 in H₂O (19.02 Pa / 1.94 mmH₂O) |
| Acoustic Noise Level | 29.0 dB(A) |
| Max. Acoustic Noise Level | 33.0 dB(A) |
| Dimensions (L × H × D) | 60.0 × 60.0 × 10.0 mm (2.36 × 2.36 × 0.39 in) |
| Mounting Hole Pitch | 50.0 ± 0.3 mm (1.968 in) |
| Mounting Hole Diameter | 4 × Ø 3.5 ± 0.3 mm (4 × Ø 0.138 in) |
| Housing Material | Plastic (UL 94V-0) |
| Impeller Material | Plastic (UL 94V-0) |
| External Cover | Open Type |
| Bearing Type | Two Ball Bearings |
| Direction of Rotation | Clockwise (viewed from nameplate label side) |
| Airflow Direction | Axial Intake over struts / exhaust through frame |
| Weight | 0.028 kg (0.062 lbs / 28 g) |
| Termination & Cable Specs | 3 Lead Wires, UL 1007 AWG #28 |
| Wiring Pinout / Connection | Black = Negative (-), Red = Positive (+), Blue = Frequency Generator (FG / -F00) |
| Control / Signal Features | Frequency Generator (FG) Open-Collector Tachometer Output |
| Tachometer Output Voltage (Vce Max) | 0.5 VDC Max. |
| Tachometer Pull-up Voltage (Vfg Max) | 15.0 VDC Max. |
| Tachometer Sink Current (Ic Max) | 5 mA Max. |
| Motor Protection | Impedance Protected (96 hours fire-safe) & Overcurrent Rotor Shutdown |
| Polarity Protection | Reverse Polarity Withstanding Protection |
| Insulation Class | UL Class A |
| Insulation Resistance | 10 MΩ min. at 500 VDC (between frame and (+) terminal) |
| Dielectric Strength | 5 mA max. at 500 VAC 60 Hz for 1 minute (between frame and (+) terminal) |
| Operating Temperature | -10°C to +70°C (14°F to 158°F) |
| Storage Temperature | -40°C to +75°C (-40°F to 167°F) |
| Operating Humidity Range | 5% to 90% RH |
| Storage Humidity Range | 5% to 95% RH |
| Service Life (L10) | 70,000 Hours Continuous at 40°C (15% to 65% RH) |
| Standards & Compliance | UL Recognized (E132003), CSA Certified (091949), VDE Certified (1764), CE, RoHS3 |
Applications
The Delta EFB0612MA-F00 compact DC axial fan is engineered for thermal dissipation in shallow-depth industrial computing chassis, 1U and 2U rackmount network appliances, and high-density telecom optical transceivers. It provides reliable spot cooling across switched-mode power supply (SMPS) modules, programmable logic controller (PLC) processor cards, and embedded single-board computers. Additionally, this fan serves as a critical OEM and MRO replacement part in medical diagnostic test equipment, analytical benchtop instruments, and edge computing enclosures.
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