7K TYPE Variable inductors for RF stage(RF級可變電感)High stability(高穩定性)Available core materials: Carbonyl; Ferrites; Aluminum; Brass(可用的核心材料:鐵氧體;鋁;黃銅)Some products can be shielded with different kinds of metallic shield(有些產品可以用不同種類的金屬屏蔽進行遮罩)