VF40281BX-Q747-SAH SUNON 12VDC 40x40x28mm DC Axial Fan

Description

The SUNON VF40281BX-Q747-SAH is a high-performance, heavy-duty 12 VDC high-speed compact DC axial fan featuring dimensions of 40 x 40 x 28 mm and an advanced brushless DC motor architecture. Designed with precision dual ball bearings, a thermoplastic PBT (UL 94V-0) frame and impeller, this robust server-grade cooling fan operates on a nominal voltage of 12 VDC. Based on specialized high-speed 4028 platform parameters, it delivers an extreme continuous rated speed, drawing a max current that corresponds to a power consumption of 25.2 W. Constructed with a net Weight of 45 g, 4-wire lead configuration supporting PWM speed control and tachometer frequency output (FG), and auto-restart protection, it operates reliably across standard industrial operating temperature ranges. It achieves high-pressure airflow delivery optimized for restricted spaces and dense electronic enclosures.

VF40281BX-Q747-SAH Fan Parameters
Manufacturer: SUNON
Model Number: VF40281BX-Q747-SAH
Type: DC Axial Fan / High-Speed Server Fan
Motor Design: Brushless DC Motor
Dimensions: 40 x 40 x 28 mm
Weight: 45 g
Materials of Frame: Thermoplastic PBT of UL 94V-0
Materials of Fan Blade: Thermoplastic PBT of UL 94V-0
Bearing System: Precision Ball Bearing
Phase: DC
Nominal Voltage: 12 VDC
Max. Power Consumption: 25.2 W
Control Features: PWM Speed Control and Tachometer Output (4-Wire)
Operating Temperature Range: -10 to +70 °C
Storage Temperature Range: -40 to +70 °C
Motor Protection: Auto-Restart

Application
The SUNON VF40281BX-Q747-SAH is deployed in high-performance enterprise servers, high-density rackmount computing, telecom switching equipment, and intensive electronic cooling systems requiring extreme localized static pressure and robust thermal management.