Description
Delta AFB02505HHA-C (also known as AFB02505HHAC) is a compact, high-performance DC brushless tubeaxial cooling fan measuring 25 × 25 × 10 mm (0.984 × 0.984 × 0.394 in). Operating from a 5 VDC power supply, it generates a robust airflow of 2.40 CFM (4.08 m³/h) and static back pressure of 0.300 in H₂O (74.7 Pa) at 13,000 RPM. The unit features flame-retardant UL 94V-0 plastic housing and impeller construction paired with a precision dual ball bearing assembly rated for 30,000 hours of continuous service life. Electrical connection is established via two UL 1061 AWG #28 lead wires, protected by integrated reverse polarity and 96-hour locked rotor impedance safeguards.
Key Features
- Micro-Profile Aerodynamics: Delivers 2.40 CFM airflow and 0.300 in H₂O static pressure within an ultracompact 25x10mm frame.
- Dual Ball Bearing Core: Ensures smooth, low-friction continuous rotation for 30,000 hours across demanding industrial thermal cycles.
- UL 94V-0 Polymer Construction: Molded flame-retardant thermoplastic housing and impeller deliver structural rigidity and electronic safety compliance.
- Comprehensive Electrical Safeguards: Incorporates reverse polarity protection and winding impedance defense preventing motor burnout under locked-rotor conditions.
Technical Specifications
| Manufacturer | Delta |
|---|---|
| Manufacturer Part Number (MPN) | AFB02505HHA-C |
| Alternate Part Number | AFB02505HHAC |
| Product Series | AFB Series |
| Product Category | DC Axial Fans |
| Fan / Component Type | DC Brushless Tubeaxial Fan |
| Supply Type | DC |
| Rated Voltage | 5 VDC |
| Rated Current | 0.24 A |
| Power Rating | 0.80 W |
| Speed (RPM) | 13000 RPM |
| Airflow | 2.40 CFM (4.08 m³/h / 0.068 m³/min) |
| Min. Airflow | 2.05 CFM (3.48 m³/h / 0.058 m³/min) |
| Static Pressure | 0.300 in H₂O (74.7 Pa / 7.65 mmH₂O) |
| Min. Static Pressure | 0.207 in H₂O (51.7 Pa / 5.27 mmH₂O) |
| Noise Level | 28.0 dB(A) |
| Direction of Rotation | Clockwise (viewed from nameplate side) |
| Dimensions (L × H × D) | 25.0 × 25.0 × 10.0 mm (0.984 × 0.984 × 0.394 in) |
| Mounting Hole Pitch | 20.0 × 20.0 mm (0.787 × 0.787 in) |
| Mounting Hole Diameter | 4 × Ø 2.8 mm (0.110 in) |
| Housing Material | Plastic (UL 94V-0) |
| Impeller Material | Plastic (UL 94V-0) |
| Bearing Type | Two Ball Bearings |
| Weight | 8.0 g (0.018 lbs) |
| Termination & Cable Specs | 2 Wire Leads, UL 1061 AWG #28, Length 150.0 mm (5.906 in), Strip 10.0 mm |
| Wiring Pinout / Connection | Red Wire: Positive (+), Black Wire: Negative (-) |
| Motor Protection | Impedance Protected (96 Hours Locked Rotor), Reverse Polarity Protected |
| Insulation Resistance | 10 MΩ Min. at 500 VDC (between frame and positive terminal) |
| Dielectric Strength | 5 mA Max. at 500 VAC 50/60 Hz 1 Minute (between frame and positive terminal) |
| Operating Temperature | -10 to +70 °C (14 to 158 °F) |
| Storage Temperature | -40 to +75 °C (-40 to 167 °F) |
| Operating Humidity | 5 to 90 % RH |
| Storage Humidity | 5 to 95 % RH |
| Service Life (L10) | 30,000 Hours at 40 °C (15 to 65 % RH) |
| Standards & Compliance | RoHS Compliant, CE, UL Recognized |
Applications
Delta AFB02505HHA-C miniature DC axial fan is engineered for space-constrained electronics cooling in embedded single-board computers, optical transceivers, and micro-server modules. It delivers focused spot-cooling across compact telecommunications switches, handheld medical diagnostic analyzers, and portable instrumentation housings. System integrators and MRO engineers also install this unit in smart camera enclosures, laboratory sensing equipment, and high-density industrial control cards requiring reliable micro-scale heat dissipation.
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