新TDA3800A TDA3800G TDA3950A AN17831A 2026-2BN

新UPC1476C UPC1478C LR40H027 AN17806A TDA3950B

丝印TDA3950A TDA3867T TDA3857J TDA3853T TDA3852T

丝印TDA42147 TDA42102 TDA4190A TDA4050B TDA3950B

贴片直插TDA4504B，TDA4445A，TDA3950A，TDA4280U，TDA4814A，4

贴片直插TDA4863J TDA4814B TDA3950A TDA4700B TDA4919A 5

贴片直插TDA4306T，TDA4281T，TDA3950A，TDA4280U，TDA4504B，4