The F4901 refers to a resettable PTC fuse (PolySwitch) commonly found in the LCD/backlight power circuitry of laptop motherboards, such as the Dell Inspiron N5110 Go to product viewer dialog for this item. and Lenovo B590 Go to product viewer dialog for this item. . In these schematics, it is specifically identified as a POLYSW-1D1A24V-GP-U , which is rated for 1.1A at 24V. Technical Schematic Overview
What is the F4901 11A 24V Schematic?
Just got our hands on the new schematic diagram for the F4901 11A 24V. If you’re working on this unit, this diagram is a lifesaver for tracing those 24V lines. f4901 11a 24v schematic new
Proper Ventilation: If mounted in an enclosure, ensure at least 20-30mm of clearance around the module to prevent thermal throttling. Application manual - Safe 24V Switching Device ( en - ABB The F4901 refers to a resettable PTC fuse