DC Brushless Fan Specifications: Mechanical Characteristic Motor Design 3 phases, 4-poles Brushless DC motor Bearing System Precision ball bearing system Dimensions 40mm x 40mm x 28mm Materials of Frame Thermoplastic PBT Materials of Fan Blade Thermoplastic PBT Direction Of Rotation Counter-clockwise viewed from front of fan blade Mounting Holes Diameter 3.5mm in 8 holes Weight 35g Electric Characteristic Rated Voltage 12V DC Rated Current 520mA / Max. 624mA Rated Power Consumption 6.24 Watts / Max. 7.49 Watts Operating Voltage Range 8V DC to 13.8V DC Starting Voltage 8V DC (25C power on/off) Operating Temperature Range -10C to +70C Storage Temperature Range -40C to +70C Performance Characteristic Rated Speed 19000 RPM 10% at rated voltage Airflow 25.6CFM Static Pressure 1.45-H2O Acoustic Noise 58.5 dB(A) Insulation Resistance Plastic Housing 10M at 500V DC between internal stator and lead wire(+) Dielectric Strength Applied AC 500V for one minute or AC 600V for 2 Seconds between housing and lead wire(+) Life Expectancy 70,000 Hours at 40C, 65% humidity, 90%CL Protection *Automatic Restart Polarity Protection * In a situation where the fan is locked by an external force while the electricity is on, an increase in coil temperature will be prevented by temporarily turning off the electrical power to the motor. The fan will automatically restart when the locked rotor condition is released. www.element14.com www.farnell.com www.newark.com Page <1> 03/08/15 V1.0 DC Brushless Fan Performance Curves: Dimensions: Dimensions : Millimetres www.element14.com www.farnell.com www.newark.com Page <2> 03/08/15 V1.0 DC Brushless Fan www.element14.com www.farnell.com www.newark.com Page <3> 03/08/15 V1.0 DC Brushless Fan Fan 3rd Wire Signal: F Type (Frequency Generator) Electrical Characteristics : ( at Ta = 25C, Vcc = 12V) Parameter Ratings Unit Min. Typ. Max. FG Supply Voltage(V+) - - 13.8 Voltage FG Output Current (If) - - 2 mA FG Output (VL) - 0.25 0.45 Voltage FG Output (VH) - V+ - Voltage Part Number Table Description Part Number DC Brushless Fan SG40281B1-0000-G99 Important Notice : This data sheet and its contents (the "Information") belong to the members of the Premier Farnell group of companies (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. (c) Premier Farnell plc 2012. www.element14.com www.farnell.com www.newark.com Page <4> 03/08/15 V1.0