RDM4020S5 is a high-quality sleeve bearing 5V DC axial fan from X-Fan which has been manufactured to a high standard. Both lightweight and small, this brushless cooling fan has passed through stringent quality control testing. * 40 x 40 x 20mm * Rated voltage 5V DC * Input current 0.25A (max. 0.29A) * Max.air flow (at zero static pressure) 6.39cfm (min. 5.75cfm) * Storage temperature -40 to +75°C * Operating humidity 35%-85% RH * Min. 10MΩ between frame and positive terminal at 500VDC * Max. 5mA between frame and positive terminal at 500VAC 1 min or 600VAC 1 sec * UL: Class A (105°C) * Lead wire: UL1007 26AWG; red positive (+); black negative (-) * Manufacturer's part RDM4020S5 * UL, TUV Approved. https://elecena.pl/product/27146238/x-fan-rdm4020s5-40-x-40-x-20mm-axial-fan-5v-sleeve-bearing 2024-11-06 https://elecena.pl/product/27146238/x-fan-rdm4020s5-40-x-40-x-20mm-axial-fan-5v-sleeve-bearing 2026-07-20