10PCS/LOT UC2842 UC2843 UC2844 UC2845 UC2842A UC2843B UC2844B UC2845B DC-DC Power Management Chip New and Original

10PCS/LOT UC2842 UC2843 UC2844 UC2845 UC2842A UC2843B UC2844B UC2845B DC-DC Power Management Chip New and Original

AliExpress