2SC4915Y 2SC4915-Y 2SC4915-Y(TE85R,F) 2SC4915-Y(TE85R.F) 2SC4915-Y,LF 2SC4915-Y,LF(B 2SC4915-Y,LF(T 2SC4915-YLF(T 2SC4916 2SC4916 C4916