AV 4028 power amplifier cooling fan

40*40*28mm power amplifier cooling fan Features: 1. Packaging Detail: PE Bag & white/color box, blister package2. Normal Operating Temperature: 25°C-45°C3. Life Expectancy: Dual Ball Bearing: 55000 hoursSleeve Bearing: 20000-30000 hours4. Standard: Fully CE, ROHS Approved ListedModelBearing SystemRated Voltage(VDC)StartupVoltage(VDC)Current(A)Speed(RPM)AirFlow (CFM)StaticPressure(mmH2O)NoiseLevel(dBA)Weight(g)AV-D402812LSleeve or ball126.00.1255006.103.5023.0236AV-D402812MSleeve or ball126.00.17800010.126.8329.0836AV-D402812HSleeve or ball126.00.19880011.238.1636.1136AV-D402805XSleeve or ball53.50.2255006.103.5023.0236AV-D402805LSleeve or ball53.50.3065008.214.7238.0436AV-D402805MSleeve or ball53.50.3575009.426.0532.0636