12 VDC Brushless Cooling
The SUNON EEC0381B1-000C-A99 is a DC brushless axial cooling fan designed for compatible industrial and electronic equipment. Its rated voltage is 12 VDC with an operating voltage range of 6-13.8 VDC.
SUNON
SUNON EEC0381B1-000C-A99 DC Axial Fan 12VDC 120x120x38mm 10W
$11.47
Available
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SUNON
SUNON EEC0381B1-000C-A99 DC Axial Fan 12VDC 120x120x38mm 10W
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$11.47
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | SUNON |
| Model Number | EEC0381B1-000C-A99 |
| Product Category | DC Axial Fan |
| Product Series | EEC Series |
| Fan Type | DC Brushless Axial Cooling Fan |
| Motor Design | Two-Phase, Four-Pole Brushless DC Motor |
| Dimensions | 120 x 120 x 38 mm |
| Mounting Hole Diameter | 8 x 4.3 mm |
| Mounting Hole Spacing | 105 ±0.3 mm |
| Weight | 214 g |
Key Features
120 x 120 x 38 mm Frame
The fan features a 120 mm square housing with a nominal 38 mm depth. Its manufacturer drawing specifies eight mounting holes with 105 mm center spacing for compatible installations.
138 CFM Air Delivery
SUNON specifies 138 CFM airflow and 0.36 inH2O maximum static pressure, providing defined performance values for equipment ventilation and thermal management evaluation.
3100 RPM Rated Speed
The manufacturer specifies 3100 RPM rated speed, 0.833 A rated current and 10 W rated input power. The documented acoustical noise level is 48 dB(A) under test conditions.
Dual Ball Bearing Construction
The fan uses a precision dual ball bearing system with a PBT thermoplastic frame and impeller. The materials are identified with a UL 94V-0 flammability classification.
Automatic Restart Protection
The documented motor protection function temporarily interrupts motor operation during a locked rotor condition and allows the fan to restart after the obstruction is removed. Correct polarity and suitable external circuit protection remain important.
Applications
- Industrial control cabinet ventilation
- Server and computer equipment cooling
- Telecommunications equipment thermal management
- Switching power supply ventilation
- Industrial automation equipment cooling
- Electronic enclosure forced-air ventilation
- Industrial power electronics heat dissipation
- Replacement of compatible 120 mm 12 VDC axial cooling fans
Purchase Information
We support online purchase of the SUNON EEC0381B1-000C-A99 fan. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is SUNON EEC0381B1-000C-A99?
EEC0381B1-000C-A99 is a SUNON EEC-series DC brushless axial cooling fan with a 120 x 120 x 38 mm frame and a 12 VDC rated supply.
What is the rated voltage of EEC0381B1-000C-A99?
The manufacturer specifies 12 VDC, with an operating voltage range of 6-13.8 VDC and a starting voltage of 6 VDC at 25°C.
What are the dimensions of EEC0381B1-000C-A99?
The fan measures 120 x 120 x 38 mm. The SUNON catalog drawing identifies a mounting-hole spacing of approximately 105 mm.
What is the rated current?
SUNON specifies 833 mA rated current and 958 mA maximum current in the model's technical specification.
What is the power consumption?
The rated power consumption is 10.0 W, with a documented maximum power consumption of 11.5 W.
What is the rated fan speed?
The manufacturer specifies 3100 RPM with a tolerance of ±10% at rated voltage.
What airflow does EEC0381B1-000C-A99 provide?
The SUNON catalog specifies 138 CFM, equivalent to approximately 234.4 m³/h, under its published measurement conditions.
What is the static pressure rating?
The documented maximum static pressure is 0.36 inH2O, approximately 89.7 Pa.
What bearing system does EEC0381B1-000C-A99 use?
The manufacturer identifies a precision dual ball bearing system. The fan has a published acoustical noise rating of 48 dB(A).
How is EEC0381B1-000C-A99 electrically connected?
The standard A99 configuration uses two DC power leads. The manufacturer catalog drawing specifies 24 AWG wiring. Confirm the actual connector, lead length and polarity before installation.
Does EEC0381B1-000C-A99 support automatic restart and PWM control?
Automatic restart after a locked rotor condition is documented. A dedicated PWM speed-control input is not specified for the standard two-wire configuration, and the manufacturer advises against controlling fan speed through power-line or ground-line PWM.
What should be checked before ordering EEC0381B1-000C-A99?
Confirm the complete SUNON part number, 12 VDC supply, 0.833 A rated current, 10 W rated power, 120 x 120 x 38 mm dimensions, 105 mm mounting-hole spacing, dual ball bearing, two-wire connection, electrical polarity, airflow direction and cooling requirements. EEC0381B2-000C-A99, EEC0381B3-000C-A99 and EEC0382B1-000C-A99 have different speed, airflow or voltage specifications and should not automatically be substituted.
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