DC Fan - 5, 12, 24V 40x20mm (1.58”x 0.79”) OD4020 Series Frame & Impeller PBT, UL94V-O plastic Connection 2x Lead wires 26AWG Motor Brushless DC, auto restart, impedance and polarity protected Bearing System Ball bearing Insulation Resistance 10M ohm between leadwire and frame (500VDC) Dielectric Strength 1 second at 500 VAC, max leakage - 500 MicroAmp Storage Temperature -30C ~ +90C Available Options: Sleeve Bearing Sealed Sleeve Bearing Tachometer Alarm Thermal control Life Expectancy (L10) Ball - 60,000 hrs (45C) Sleeve - 30,000 hrs (45C) Operating Temperature Ball: -20 ~ 80C m1 Model Number Speed (RPM) Airflow (CFM) Noise (dB) Volts DC Voltage Range (VDC) Amps Max. Static Pressure (“H2O) OD4020-05HB 7800 9 32 5 4~7 0.25 0.30 OD4020-05MB 6900 8 28 5 4~7 0.16 0.24 OD4020-05LB 6200 7 24 5 4~7 0.14 0.19 OD4020-12HB 7800 9 32 12 7 ~ 14 0.10 0.30 OD4020-12MB 6900 8 28 12 7 ~ 14 0.08 0.24 OD4020-12LB 6200 7 24 12 7 ~ 14 0.07 0.19 OD4020-24HB 7800 9 32 24 10 ~ 27 0.07 0.30 OD4020-24MB 6900 8 28 24 10 ~ 27 0.06 0.24 OD4020-24LB 6200 7 24 24 10 ~ 27 0.05 0.19 To indicate sleeve bearing replace “B” suffix with “S” in part number (25,000 hrs life expectancy) To indicate sealed sleeve bearing replace “B” with “SS” in part number (45,000 hrs life expectancy) Knight Electronics, Inc. 10557 Metric Drive Dallas, Texas 75243 214-340-0265 Orion Fans RoHS Compliant 31 Information and data is subject to change without prior notification.