Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LP5900SD-1.8 NOPB found under Regulator Voltage by Texas Instruments Incorporated. The National Stock Number assigned to this part is 6110016539019, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LP5900SD-1.8 NOPB.