77282 2009_fan_cat sec 2:Layout 1 7/28/09 11:12 AM Page 32 OD4028 Series DC Fan - 5, 12, 24V 40x28mm (1.58”x 1.10”) Frame & Impeller PBT, UL94V-O plastic Motor Brushless DC, auto restart, impedance and polarity protected Connection Bearing System Insulation Resistance Dielectric Strength Storage Temperature 2x Lead wires 26AWG Ball bearing or Sleeve 10M ohm between leadwire and frame (500VDC) 1 second at 500 VAC, max leakage - 500 MicroAmp -30C ~ +90C Available Options: Tachometer (FG) Alarm (RD) PWM (Pulse Width Modulated speed control) Thermistor (Thermal Speed Control) Life Expectancy (L10) Ball - 60,000 hrs (45C) Sleeve - 30,000 hrs (45C) Operating Temperature Ball: -20 ~ 80C Sleeve: -10 ~ 50C (5V not shown) m4 Speed (RPM) Airflow (CFM) Noise (dB) Volts DC Voltage Range (VDC) Amps Max. Static Pressure (“H2O) OD4028-05H * 7500 10 32 5 4~7 0.35 0.24 OD4028-05L * 5000 7 25 5 4~7 0.22 0.10 Model Number OD4028-05M * OD4028-12H * OD4028-12M * OD4028-12L * OD4028-24H * OD4028-24M * OD4028-24L * 6500 8800 8000 5000 9 12 11 7 8800 12 5000 7 8000 11 * Indicate “B” for ball bearing or “S” for sleeve bearing Knight Electronics, Inc. 10557 Metric Drive Dallas, Texas 75243 214-340-0265 RoHS Compliant 29 5 37 12 25 12 35 12 37 35 32 7~14 7~14 7~14 24 10~27 24 10~27 24 25 4~7 10~27 0.30 0.20 0.18 0.12 0.16 0.12 0.09 0.17 0.32 0.25 0.10 0.32 0.25 0.10 Orion Fans Information and data is subject to change without prior notification.