12 VDC Brushless Motor
The AFB0412SHB operates from a nominal 12 VDC power supply, with a manufacturer-specified operating voltage range of 7.0–13.8 VDC. Input current is listed at 0.25 A, with a maximum of 0.35 A.
Technical specifications, features, applications and purchasing information.
| Brand | Delta Electronics |
| Model Number | AFB0412SHB |
| Product Category | DC Axial Fan |
| Product Series | AFB Series |
| Fan Type | DC Brushless Axial Flow Fan |
| Frame Dimensions | 40 x 40 x 15 mm |
| Rated Voltage | 12 VDC |
| Operating Voltage Range | 7.0–13.8 VDC |
| Input Current | 0.25 A (maximum 0.35 A) |
| Input Power | 3.00 W (maximum 4.20 W) |
| Reference Speed | 11000 RPM |
| Maximum Free-Air Flow | 14.83 CFM (0.420 m³/min) |
| Minimum Specified Free-Air Flow | 13.35 CFM (0.378 m³/min) |
| Maximum Static Pressure | 0.601 inH₂O (15.26 mmH₂O) |
| Minimum Specified Maximum Static Pressure | 0.488 inH₂O (12.40 mmH₂O) |
| Acoustical Noise | 41.5 dB(A) average (44.5 dB(A) maximum) |
| Weight | 25.0 g |
| Manufacturer Reference Life | 70,000 hours at 40°C and 15–65% RH |
The AFB0412SHB operates from a nominal 12 VDC power supply, with a manufacturer-specified operating voltage range of 7.0–13.8 VDC. Input current is listed at 0.25 A, with a maximum of 0.35 A.
The compact 40 mm square frame has a depth of 15 mm. Its axial-flow arrangement supports forced-air ventilation in electronic assemblies designed for this fan size.
Delta specifies a reference rotational speed of 11000 RPM. Fan speed is measured under the electrical and environmental test conditions stated in the manufacturer specification.
The manufacturer lists 14.83 CFM maximum free-air flow and 0.601 inH₂O maximum static pressure. These values represent separate endpoints of the fan performance curve.
The fan incorporates two ball bearings and a two-phase, four-pole brushless motor. The frame and impeller use UL 94 V-0 plastic materials, with a manufacturer reference life of 70,000 hours under specified conditions.
The base AFB0412SHB uses two UL1007-F AWG24 leads: red positive and black negative. Related suffix variants may add signal or control wires, so their electrical interfaces should not be assumed to match the base model.
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What is Delta Electronics AFB0412SHB?
AFB0412SHB is a Delta Electronics DC brushless axial cooling fan with a 40 x 40 x 15 mm frame, a nominal 12 VDC supply, two ball bearings and a reference speed of 11000 RPM.
What voltage does AFB0412SHB require?
The manufacturer specifies 12 VDC rated voltage and an operating voltage range of 7.0–13.8 VDC.
What are the physical dimensions of AFB0412SHB?
The fan measures 40 x 40 x 15 mm. Verify mounting-hole locations and available enclosure clearance against the existing installation.
What is the input current rating?
Delta specifies an input current of 0.25 A with a maximum value of 0.35 A. Use the appropriate figure when checking power supply capacity.
What input power does AFB0412SHB consume?
The manufacturer lists 3.00 W input power and a maximum specified input power of 4.20 W.
What is the reference rotational speed?
Delta lists 11000 RPM for the AFB0412SHB. The specification identifies this as a reference speed measured under its stated test conditions.
What is the maximum airflow of AFB0412SHB?
The manufacturer specifies 14.83 CFM (0.420 m³/min) at zero static pressure, with a minimum specified value of 13.35 CFM. Actual installed airflow depends on system resistance.
What is the maximum static pressure?
Delta lists 0.601 inH₂O (15.26 mmH₂O) at zero airflow, with a minimum specified maximum-pressure value of 0.488 inH₂O (12.40 mmH₂O). These figures are not measured at maximum free-air flow.
What acoustical noise level is specified?
The manufacturer lists 41.5 dB(A) average acoustical noise and 44.5 dB(A) maximum. Measurements are specified at a distance of one meter from the fan intake under defined test conditions.
What bearing type does AFB0412SHB use?
The Delta specification identifies two ball bearings. It also specifies UL 94 V-0 plastic frame and impeller materials and an operating temperature range of -10°C to +70°C.
How many wires does AFB0412SHB have?
The base model uses two power leads: red positive and black negative. The separately identified AFB0412SHB-F00 and AFB0412SHB-R00 variants use three leads for additional signaling, while AFB0412SHB-SP04 has four leads. Verify the full suffix before substitution.
What should be checked before ordering Delta Electronics AFB0412SHB?
Confirm the full AFB0412SHB model marking, 12 VDC supply, 0.25 A listed input current, 40 x 40 x 15 mm dimensions, mounting arrangement, 11000 RPM reference speed, 14.83 CFM airflow rating, two-wire polarity and application temperature requirements. Compare any suffix-specific version against its own specification.
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