Additional Resources: Product Page 3D Model date 05/19/2021 page 1 of 6 SERIES: CFM-25B DESCRIPTION: DC AXIAL FAN FEATURES 25 x 25 mm frame multiple speed options for different cooling needs auto restart protection standard on all models tachometer signal available 5 Vdc and 12 Vdc models available dual ball bearing construction 2 4 input input input rated airflow static noise MODEL 1 1 1 3 voltage current power speed pressure rated range max max typ typ (Vdc) (Vdc) (A) (W) (RPM20%) (CFM) (inch H O) (dBA) 2 CFM-2510B-070-140 5 4.5~5.5 0.12 0.60 7,000 1.35 0.06 14.1 CFM-2510B-0100-218 5 4.5~5.5 0.21 1.05 10,000 1.93 0.13 21.8 CFM-2510B-0130-275 5 4.5~5.5 0.23 1.15 13,000 2.51 0.22 27.5 CFM-2510B-170-140 12 10.8~13.2 0.06 0.72 7,000 1.35 0.06 14.1 CFM-2510B-1100-218 12 10.8~13.2 0.08 0.96 10,000 1.93 0.13 21.8 CFM-2510B-1130-275 12 10.8~13.2 0.11 1.32 13,000 2.51 0.22 27.5 Notes: 1. At rated voltage, after 3 minutes. 2. At rated voltage, room temperature, 65% humidity, 0 inch H 0 static pressure. 2 3. At rated voltage, 0 CFM airflow. 4. Measured in an anechoic chamber as per ISO3745/GB4214-84 at rated voltage, with background noise 202 dBA at 1 m from the fan intake. 5. All specifications are measured at 25C, 65% relativ e humidity unless otherwise specified. PART NUMBER KEY CFM-2510B-070-140 - XX - CXX Fan Signals Base Number Reserved for Custom blank = no signals Configurations 20 = tachometer signal cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices SERIES: CFM-25B DESCRIPTION: DC AXIAL FAN date 05/19/2021 page 2 of 6 INPUT parameter conditions/description min typ max units 5 Vdc input models 4.5 5 5.5 Vdc 6 operating input voltage 12 Vdc input models 10.8 12 13.2 Vdc 5 Vdc input models 3.5 Vdc starting voltage 12 Vdc input models 7.0 Vdc Note: 6. See Model section on page 1 for specific input voltage ranges. 7 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 3 minutes 7,000 13,000 RPM air flow at 0 inch H O, see performance curves 1.35 2.51 CFM 2 static pressure at 0 CFM, see performance curves 0.06 0.22 inch H O 2 noise at 1 m, rated speed 14.1 27.5 dBA Note: 7. See Model section on page 1 for specific values. 8 PROTECTIONS / FEATURES parameter conditions/description min typ max units auto restart on all models tachometer signal available on 20 models Notes: 8. See Application Notes for details. SAFETY & COMPLIANCE parameter conditions/description min typ max units insulation resistance at 500 Vdc between frame and positive terminal 10 M at 500 Vac, 60 Hz, 1 minute between housing and dielectric strength 5 mA positive terminal safety approvals UL/cUL 507, TUV (EN/IEC 62368-1:2020+A11) EMI/EMC EN 55032:2015, EN 55035:2017 life expectancy at 40C, 65% RH, 90% confidence level 70,000 hours RoHS yes ENVIRONMENTAL parameter conditions/description min typ max units operating temperature -10 70 C storage temperature -40 75 C operating humidity non-condensing 35 85 % storage humidity non-condensing 35 85 % cuidevices.com