rohs compliant 32 orion fans information and data is subject to change without prior notification. knight electronics, inc. 10557 metric drive dallas, texas 75243 214-340-0265 od4028 series dc fan - 5, 12, 24v 40x28mm (1.58x 1.10) frame & impeller pbt, ul94v-o plastic 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 connection 2x lead wires 26awg motor brushless dc, auto restart, impedance and polarity protected bearing system ball bearing or sleeve insulation resistance 10m ohm between leadwire and frame (500vdc) dielectric strength 1 second at 500 vac, max leakage - 500 microamp storage temperature -30c ~ +90c model number 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 od4028-05m * 6500 9 29 5 4~7 0.30 0.17 od4028-05l * 5000 7 25 5 4~7 0.22 0.10 od4028-12h * 8800 12 37 12 7~14 0.20 0.32 od4028-12m * 8000 11 35 12 7~14 0.18 0.25 od4028-12l * 5000 7 25 12 7~14 0.12 0.10 od4028-24h * 8800 12 37 24 10~27 0.16 0.32 od4028-24m * 8000 11 35 24 10~27 0.12 0.25 od4028-24l * 5000 7 25 24 10~27 0.09 0.10 * indicate b for ball bearing or s for sleeve bearing m4 (5v not shown) 77282 2009_fan_cat sec 2:layout 1 7/28/09 11:12 am page 32
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