Additional Resources: Product Page date 10/14/2021 page 1 of 6 SERIES: CFM-38BF DESCRIPTION: DC AXIAL FAN FEATURES dual ball bearing system 38 x 38 mm frame multiple speed options tachometer signal available 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) (RPM10%) (CFM) (inch H O) (dBA) 2 CFM-3828BF-190-406 12 10.8~13.2 0.14 1.68 9,000 8.44 0.47 40.6 CFM-3828BF-1120-468 12 10.8~13.2 0.27 3.24 12,000 11.26 0.84 46.8 CFM-3828BF-1150-517 12 10.8~13.2 0.34 4.08 15,000 14.07 1.31 51.7 CFM-3828BF-1180-556 12 10.8~13.2 0.60 7.20 18,000 16.89 1.88 55.6 CFM-3828BF-1210-590 12 10.8~13.2 0.92 11.40 21,000 19.70 2.45 59.0 CFM-3828BF-1235-614 12 10.8~13.2 1.28 15.36 23,500 22.05 3.21 61.4 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-3828BF-190-406 - XX - CXX Fan Signals Base Number Reserved for Custom blank = no signals Configurations 20 = tachometer signal cuidevices.comAdditional Resources: Product Page CUI Devices SERIES: CFM-38BF DESCRIPTION: DC AXIAL FAN date 10/14/2021 page 2 of 6 INPUT parameter conditions/description min typ max units operating input voltage 10.8 12 13.2 Vdc starting voltage 7.0 Vdc 6 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 3 minutes 9,000 23,500 RPM air flow at 0 inch H O, see performance curves 8.44 22.05 CFM 2 static pressure at 0 CFM, see performance curves 0.84 3.21 inch H O 2 noise at 1 m, rated speed 40.6 61.4 dBA Note: 6. See Model section on page 1 for specific values. 7 PROTECTIONS / FEATURES parameter conditions/description min typ max units auto restart on all models polarity protection on all models soft start on all models tachometer signal available on 20 models Notes: 7. 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