Description
Delta AFB03512HA-CF00 (also known as AFB03512HACF00) is a compact, high-reliability DC brushless axial flow cooling fan engineered with a 35 × 35 × 10 mm (1.38 × 1.38 × 0.39 in) micro-footprint. Powered by a nominal 12 VDC supply across a flexible 4.5 to 13.2 VDC operating range, this precision unit delivers an optimal balance of 5.50 CFM (9.36 m³/h) airflow and 0.106 in H₂O (26.4 Pa) static pressure at a rated speed of 7,000 RPM while consuming only 0.72 W nominal power. Built with an impact-resistant UL 94V-0 thermoplastic housing and impeller, the assembly utilizes a high-end dual ball bearing system that ensures an L10 life expectancy of 30,000 hours at 40°C. Electrical connectivity is established via 150 mm UL 1061 AWG#26 lead wires incorporating an open-collector frequency generator (FG) tachometer wire for active host system RPM monitoring and fault detection.
Key Features
- Aerodynamic Efficiency: Generates 5.50 CFM airflow and 0.106 in H₂O static pressure at 7,000 RPM with low 22.0 dB(A) acoustic noise.
- Dual Ball Bearing Core: Industrial-grade twin ball bearings provide exceptional mechanical stability and a service life rating exceeding 30,000 hours.
- Integrated Tachometer Output: Features a dedicated third blue open-collector frequency generator (FG) lead wire delivering precision speed monitoring.
- Robust Electrical Protection: Engineered with reverse polarity protection and winding impedance locked-rotor protection safeguarding against overheating up to 96 hours.
- Flame-Retardant Construction: Molded with high-integrity UL 94V-0 compliant thermoplastic frame and impeller materials designed for continuous industrial operation.
Technical Specifications
| Manufacturer | Delta |
|---|---|
| Manufacturer Part Number (MPN) | AFB03512HA-CF00 |
| Alternate Part Number | AFB03512HACF00 |
| Delta Safety Model | AFB03512HA-C |
| Product Series | AFB Series |
| Product Category | DC Axial Fans |
| Fan / Component Type | DC Brushless Tubeaxial Fan |
| Supply Type | DC |
| Rated Voltage | 12 VDC |
| Operating Voltage Range | 4.5 to 13.2 VDC |
| Rated Speed (RPM) | 7000 RPM ± 20% |
| Average Input Power | 0.72 W |
| Maximum Input Power | 1.68 W |
| Average Rated Current | 0.06 A |
| Maximum Current Draw | 0.14 A |
| Label Safety Current | 0.14 A |
| Airflow Rating (Nominal) | 5.50 CFM (9.36 m³/h / 0.156 m³/min) |
| Static Pressure (Nominal) | 0.106 in H₂O (26.4 Pa / 2.70 mmH₂O) |
| Acoustical Noise Level (Average) | 22.0 dB(A) |
| Dimensions (L × H × D) | 35.0 × 35.0 × 10.0 mm (1.378 × 1.378 × 0.394 in) |
| Mounting Hole Pitch | 29.0 ± 0.3 mm (1.142 ± 0.012 in) |
| Mounting Hole Diameter | 4-Ø3.2 ± 0.3 mm (4-Ø0.126 ± 0.012 in) |
| Corner Flange Thickness | 2.0 ± 0.3 mm (0.078 ± 0.012 in) |
| Frame Material | Plastic (UL 94V-0) |
| Impeller Material | Plastic (UL 94V-0) |
| Bearing System | Two Ball Bearings |
| Direction of Rotation | Clockwise (viewed from nameplate side) |
| Number of Motor Poles | 4 Poles |
| Weight | 10 g (0.023 lb / 0.35 oz) |
| Termination & Cable Specs | 3 Lead Wires, UL 1061 AWG#26, stripped and tinned ends |
| Cable / Wire Length | 150.0 ± 10.0 mm (5.906 ± 0.394 in) |
| Wiring Pinout | Black: Negative (-), Red: Positive (+), Blue: FG Tachometer Signal |
| Speed Sensor / Control Features | Frequency Generator (FG) Open-Collector Tachometer Output |
| Tachometer Output Voltage (Vce Sat) | 0.5 V Max |
| Tachometer Output Collector Current (Ic) | 5 mA Max |
| Tachometer Pull-Up Voltage (Vfg) | 5.0 V Typ. (Vcc Max) |
| Motor Protection | Impedance Locked Rotor Protection (up to 96 hours at rated voltage) |
| Polarity Protection | Reverse Connection Polarity Protected |
| Insulation Class | UL Class A |
| Dielectric Strength | 5 mA Max at 500 VAC (50/60 Hz) for 1 minute between frame and (+) terminal |
| Insulation Resistance | 10 MΩ Min at 500 VDC 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 Expectancy (L10) | 30,000 Hours continuous operation at 40°C, 65% RH |
| Standards & Compliance | cURus, TUV, CE, RoHS Compliant (Free of PBBs, PBBOs, CFCs, PBBEs, PBDPEs, HCFCs) |
Applications
Delta AFB03512HA-CF00 DC axial fans are engineered specifically for high-density micro-electronic cooling where low profile and continuous operational reliability are critical. Common OEM installations include 1U rackmount network switches, optical transceivers, embedded IPCs, telecom edge gateways, and compact security appliances. Additionally, this miniature blower assembly is widely implemented in medical diagnostic analyzers, handheld instrumentation, and automated test equipment requiring precise thermal management and real-time tachometer feedback.
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