Additional Resources: Product Page 3D Model date 05/19/2022 page 1 of 6 SERIES: CFM-50B DESCRIPTION: DC AXIAL FAN FEATURES dual ball bearing 50 x 50 mm frame multiple speed options PWM/tachometer wires 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 5 CFM-5020B-130-235 12 10.8~13.2 0.05 0.60 3,000 8.09 0.06 23.5 5 CFM-5020B-145-323 12 10.8~13.2 0.12 1.44 4,500 12.14 0.13 32.3 CFM-5020B-160-385 12 10.8~13.2 0.20 2.40 6,000 16.18 0.24 38.5 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. Typical rated speed is measured as RPM600 at rated voltage. 6. All specifications are measured at 25C, 65% relativ e humidity unless otherwise specified. PART NUMBER KEY CFM-5020B-130-235 - XX - CXX Fan Signals Base Number Reserved for Custom blank = no signals Configurations 20 = tachometer signal 22 = tachometer signal / PWM control signal cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices SERIES: CFM-50B DESCRIPTION: DC AXIAL FAN date 05/19/2022 page 2 of 6 INPUT parameter conditions/description min typ max units 7 operating input voltage 10.8 12 13.2 Vdc starting voltage 7.0 Vdc Note: 7. See Model section on page 1 for specific input voltage ranges. 8 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 3 minutes 3,000 6,000 RPM air flow at 0 inch H O, see performance curves 8.09 16.18 CFM 2 static pressure at 0 CFM, see performance curves 0.06 0.24 inch H O 2 noise at 1 m, rated speed 23.5 38.5 dBA Note: 8. See Model section on page 1 for specific values. 9 PROTECTIONS / FEATURES parameter conditions/description min typ max units auto restart only available on CFM-5020B-160-385 models only available on CFM-5020B-130-235 & polarity protection CFM-5020B-145-323 models tachometer signal available on 20 and 22 models PWM control signal available on 22 models Notes: 9. 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